Technical Service Bulletins For 2020 GMC SIERRA 2500
Here are the technical service bulletins we have for the 2020 GMC SIERRA 2500. If you have any questions, do not hesitate to Contact Us:
Technical Service Bulletins
Technical Service Bulletin #17NA350
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 210000 TRAILER HITCHES
NHTSA #10163886
Date Of Bulletin
20190708
Failing Component Name
210000 TRAILER HITCHES
Description
This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.
Technical Service Bulletin #PIP5663
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
NHTSA #10163690
Date Of Bulletin
20190731
Failing Component Name
353000 EQUIPMENT:ELECTRICAL
Description
This Preliminary information communicates AFM / DFM usage Information. providing additional information on the AFM and DFM systems
Technical Service Bulletin #18NA361
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
NHTSA #10163208
Date Of Bulletin
20190624
Failing Component Name
070000 FUEL SYSTEM, GASOLINE
Description
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
Technical Service Bulletin #19NA074
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 200000 WHEELS
NHTSA #10163214
Date Of Bulletin
20190617
Failing Component Name
200000 WHEELS
Description
This informational bulletin provides information to clarify installation requirements when installing Accessory wheels on 2020 Chevrolet Silverado HD and 2020 GMC Sierra HD.
Technical Service Bulletin #16NA222
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10163193
Date Of Bulletin
20190625
Failing Component Name
350000 EQUIPMENT
Description
This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
Technical Service Bulletin #16NA376
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10163216
Date Of Bulletin
20190627
Failing Component Name
060000 ENGINE (PWS)
Description
This informational bulletin provides information on higher than expected oil consumption.
Technical Service Bulletin #16NA376
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10163216
Date Of Bulletin
20190627
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin provides information on higher than expected oil consumption.
Technical Service Bulletin #17NA374
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10163222
Date Of Bulletin
20190627
Failing Component Name
060000 ENGINE (PWS)
Description
This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.
Technical Service Bulletin #18NA098
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10163225
Date Of Bulletin
20190624
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks.
Technical Service Bulletin #PIP5664
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10164738
Date Of Bulletin
20190801
Failing Component Name
060000 ENGINE (PWS)
Description
This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P226D, P249E, P249D, P20EE or P226D while engineering is investigating.
Technical Service Bulletin #PIP5664
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10164738
Date Of Bulletin
20190801
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P226D, P249E, P249D, P20EE or P226D while engineering is investigating.
Technical Service Bulletin #050604022Q
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
NHTSA #10163261
Date Of Bulletin
20190626
Failing Component Name
080000 FUEL SYSTEM, DIESEL
Description
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
Technical Service Bulletin #050604022Q
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
NHTSA #10163261
Date Of Bulletin
20190626
Failing Component Name
070000 FUEL SYSTEM, GASOLINE
Description
This bulletin provides information on the TOP TIER Detergent Gasoline Licensed Brands and the TOP TIER Diesel Fuel Licensed Brands that are recommended for use in all GM vehicles and the TOP TIER FUELS website URL.
Technical Service Bulletin #100845001G
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10163268
Date Of Bulletin
20190626
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
Technical Service Bulletin #100845001G
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10163268
Date Of Bulletin
20190626
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.
Technical Service Bulletin #130232001F
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 010000 STEERING
NHTSA #10163270
Date Of Bulletin
20190626
Failing Component Name
010000 STEERING
Description
This technical bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
Technical Service Bulletin #18NA103
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
NHTSA #10163226
Date Of Bulletin
20190624
Failing Component Name
070000 FUEL SYSTEM, GASOLINE
Description
This Bulletin provides information to correct a customer concern of a siren or whine noise from the in-tank fuel pump at temperatures below -6C or 20F, accompanied by start and stall, no start, loss of power and MIL illuminated. Technicians
Technical Service Bulletin #18NA150
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10163227
Date Of Bulletin
20190624
Failing Component Name
060000 ENGINE (PWS)
Description
This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.
Technical Service Bulletin #19NA091
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10163236
Date Of Bulletin
20190610
Failing Component Name
350000 EQUIPMENT
Description
This New Model Features Bulletin provides General Information and other Topics to help the Service Personnel become familiar with features specific to the new Chevrolet Silverado and GMC Sierra 2500HD-3500HD pickup trucks.
Technical Service Bulletin #060847001O
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10163263
Date Of Bulletin
20190611
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
Technical Service Bulletin #060847001O
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10163263
Date Of Bulletin
20190611
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.
Technical Service Bulletin #1308116001E
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10163272
Date Of Bulletin
20190626
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
Technical Service Bulletin #1308116001E
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10163272
Date Of Bulletin
20190626
Failing Component Name
350000 EQUIPMENT
Description
The intent of this technical bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
Technical Service Bulletin #000601012J
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10163260
Date Of Bulletin
20190625
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
Technical Service Bulletin #000601012J
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10163260
Date Of Bulletin
20190625
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin advises about the possible issues that may occur when using a scotch brite pad or highly abrasive disk on gasket sealing surfaces or reused parts.
Technical Service Bulletin #130089008B
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10165126
Date Of Bulletin
20190819
Failing Component Name
350000 EQUIPMENT
Description
This bulleting provides Wiring, Terminal and Connector Repair Information including how to determine the Service Part Number in eSI and how to locate the part(s) in the EPC.
Technical Service Bulletin #PIT5702
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10164750
Date Of Bulletin
20190807
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitte
Technical Service Bulletin #PIT5702
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10164750
Date Of Bulletin
20190807
Failing Component Name
350000 EQUIPMENT
Description
This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitte
Technical Service Bulletin #990089019R
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10163900
Date Of Bulletin
20190726
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin provides process information for the (GWM) and (WPC) parts return program.
Technical Service Bulletin #PIT5551E
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 260000 FORWARD COLLISION AVOIDANCE
NHTSA #10165868
Date Of Bulletin
20190905
Failing Component Name
260000 FORWARD COLLISION AVOIDANCE
Description
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
Technical Service Bulletin #PIT5448F
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10165870
Date Of Bulletin
20190905
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without R
Technical Service Bulletin #PIP5656A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10165873
Date Of Bulletin
20190905
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.
Technical Service Bulletin #18NA146
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10165087
Date Of Bulletin
20190823
Failing Component Name
350000 EQUIPMENT
Description
This warranty administration bulletin provides policy information, proper labor operation selection and causal part identification for warranty transactions (U.S. Only).
Technical Service Bulletin #17NA276
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
NHTSA #10165084
Date Of Bulletin
20190820
Failing Component Name
353000 EQUIPMENT:ELECTRICAL
Description
This informational bulletin provides information on Loss of Phone Pairing or Favorites, Last Setting of Volume, Station, App, and Audio Settings Change When Vehicle Shuts Down in Demo Mode and that this is considered a normal characteristic
Technical Service Bulletin #070601016F
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10165122
Date Of Bulletin
20190813
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This informational bulletin provides information on Internal Engine Noise or Damage After Oil Filter Replacement.
Technical Service Bulletin #090604026R
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10165124
Date Of Bulletin
20190821
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
Technical Service Bulletin #100310001E
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 200000 WHEELS
NHTSA #10165125
Date Of Bulletin
20190829
Failing Component Name
200000 WHEELS
Description
This informational bulletin provides information on Wheel Balancer Mounting Instructions.
Technical Service Bulletin #PIP5656B
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10165880
Date Of Bulletin
20190909
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Dealer will need to contact General Mot
Technical Service Bulletin #PIT5707
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 046300 SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR
NHTSA #10165881
Date Of Bulletin
20190909
Failing Component Name
046300 SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR
Description
This Preliminary information communication provides information to the dealer about vehicles with the ABS light or Service Stability Message displayed with C050A or C0504 DTC's set. Dealer may find manufacturing debris on the wheel speed se
Technical Service Bulletin #PIT5709
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 162000 STRUCTURE:BODY
NHTSA #10165887
Date Of Bulletin
20190913
Failing Component Name
162000 STRUCTURE:BODY
Description
This Preliminary information communicates the need for proper documentation when submitting a Field Product Report on paint issues with the new 2020 HD Silverado and Sierra.
Technical Service Bulletin #PIT5711
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10165898
Date Of Bulletin
20190920
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary information communicates information for the dealer to reprogram the IPC to correct the Off-Road Mode not being able to be selected using the Driver Mode Control Switch.
Technical Service Bulletin #PIP5677
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10165901
Date Of Bulletin
20190923
Failing Component Name
100000 POWER TRAIN
Description
This Preliminary information communicates to the dealer technician that the 10L60, 10L80 and the 10L90 transmissions have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission
Technical Service Bulletin #080730026F
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 103000 POWER TRAIN:AUTOMATIC TRANSMISSION
NHTSA #10165123
Date Of Bulletin
20190812
Failing Component Name
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
Description
This informational bulletin provides information on Some vehicles may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a slight movement that is
Technical Service Bulletin #PIP5655
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10162119
Date Of Bulletin
20190611
Failing Component Name
100000 POWER TRAIN
Description
This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.
Technical Service Bulletin #PIP4670H
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10165904
Date Of Bulletin
20190925
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary Information communication provides information to the technician about a no start or another concern after swapping an Engine Control Module or other modules from one vehicle to another. The Global Architecture electrical s
Technical Service Bulletin #PIP5664B
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10165913
Date Of Bulletin
20190927
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary information communicates to the dealer technician to check for any new ECM calibration updates for DTCs P129F P16F3 P20EE P20FF P226D P249D P249E P11CC and / or P11D5 set.
Technical Service Bulletin #PIP5656
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10162158
Date Of Bulletin
20190626
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program. Dealer will need to contact General Motors Product Quality Center for further assistance.
Technical Service Bulletin #PIP5656C
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10165917
Date Of Bulletin
20190930
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Dealer will need to contact General Mot
Technical Service Bulletin #PIT5697
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
NHTSA #10163671
Date Of Bulletin
20190719
Failing Component Name
284100 BACK OVER PREVENTION: SENSING SYSTEM: CAMERA
Description
This Preliminary information communication provides information to the technician on installing Regular Production Option Code UVC Rearview Camera. Technician will need to reference the latest version of General Motors Up-fitter Integratio
Technical Service Bulletin #18NA361
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
NHTSA #10165093
Date Of Bulletin
20190814
Failing Component Name
070000 FUEL SYSTEM, GASOLINE
Description
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
Technical Service Bulletin #19NA152
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10165103
Date Of Bulletin
20190813
Failing Component Name
350000 EQUIPMENT
Description
This technical bulletin provides repair information to correct a customer concern of Static Crackling Noise Using Bluetooth Microphone.
Technical Service Bulletin #19NA187
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10165116
Date Of Bulletin
20190823
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This bulletin provides additional information on how to graph a cylinder misfire and a possible diagnostic cause.
Technical Service Bulletin #16NA109
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 010000 STEERING
NHTSA #10165079
Date Of Bulletin
20190805
Failing Component Name
010000 STEERING
Description
This technical bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
Technical Service Bulletin #PIP5664A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
NHTSA #10165861
Date Of Bulletin
20190903
Failing Component Name
353000 EQUIPMENT:ELECTRICAL
Description
This Preliminary information communicates to the dealer technician the procedures for DTC P11CC, P11D5, P226D, P249E, P249D, P20EE or P226D while engineering is investigating.
Technical Service Bulletin #16NA380
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
NHTSA #10165080
Date Of Bulletin
20190826
Failing Component Name
063200 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
Description
This informational bulletin provides a procedure on how to perform a quick test to check if the DPF is the cause of excessive soot from the tailpipe.
Technical Service Bulletin #000601026M
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10165121
Date Of Bulletin
20190815
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This informational bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
Technical Service Bulletin #18NA306
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10168188
Date Of Bulletin
20191002
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
Technical Service Bulletin #16NA372
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10168177
Date Of Bulletin
20191001
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This bulletin provides information on common diesel engine tick noises and how they are considered part of normal operation and no parts should be replaced for these normal operating conditions.
Technical Service Bulletin #18NA361
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10168193
Date Of Bulletin
20191014
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This technical bulletin provides a procedure to flush the cooler lines to validate if there is excessive debris in the fuel system caused by a failed part.
Technical Service Bulletin #100089009C
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10168208
Date Of Bulletin
20191009
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This informational bulletin provides information on key code security and information on GM key code look up applications.
Technical Service Bulletin #19NA104
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10173393
Date Of Bulletin
20200228
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
Technical Service Bulletin #19NA104
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10173393
Date Of Bulletin
20200228
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
Technical Service Bulletin #19NA104
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 162000 STRUCTURE:BODY
NHTSA #10173393
Date Of Bulletin
20200228
Failing Component Name
162000 STRUCTURE:BODY
Description
This informational bulletin provides information for dealers/technicians and customers on steam/vapor coming from the front grille or radiator area.
Technical Service Bulletin #19NA237
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
NHTSA #10168197
Date Of Bulletin
20191017
Failing Component Name
080000 FUEL SYSTEM, DIESEL
Description
This informational bulletin explains how to identify possible DEF contamination.
Technical Service Bulletin #19NA240
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 010000 STEERING
NHTSA #10168200
Date Of Bulletin
20191021
Failing Component Name
010000 STEERING
Description
This technical bulletin provides repair information to correct a customer concern of steering wheel oscillation, vibration, shake 50-80 mph.
Technical Service Bulletin #100089006G
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10168207
Date Of Bulletin
20191016
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only).
Technical Service Bulletin #20NA016
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10172285
Date Of Bulletin
20200121
Failing Component Name
350000 EQUIPMENT
Description
This Warranty Administration bulletin provides information on customer vehicles concern results in a manufacturer repurchase from the customer, GM depends on the dealership to host and administer the repurchase closing and intake of the ret
Technical Service Bulletin #PIT5657B
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 050000 PARKING BRAKE
NHTSA #10167438
Date Of Bulletin
20191015
Failing Component Name
050000 PARKING BRAKE
Description
This Preliminary information communicates how to repair a loose shift cable bracket.
Technical Service Bulletin #PIP5656D
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10172326
Date Of Bulletin
20200219
Failing Component Name
060000 ENGINE (PWS)
Description
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Dealer will need to contact General Mot
Technical Service Bulletin #PIP5656D
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10172326
Date Of Bulletin
20200219
Failing Component Name
350000 EQUIPMENT
Description
This Preliminary Information communication advises the technician that the 6.6L Engine (RPO L8T) has been placed on Engine Exchange program and crankshaft has been placed on part ordering restriction. Dealer will need to contact General Mot
Technical Service Bulletin #PIT5702A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10167449
Date Of Bulletin
20191017
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary information communication provides information to the technician on installing Regular Production Option Code 9L7 Up-fitter Auxiliary Switches. Technician will need to reference the latest version of General Motors Up-fitte
Technical Service Bulletin #PIP5370E
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10167448
Date Of Bulletin
20191017
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This Preliminary Information communication provides information to the technician that some vehicle may have an ?Exhaust Fluid Quality Poor? on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exhaust fluid q
Technical Service Bulletin #010089010N
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10168204
Date Of Bulletin
20191002
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).
Technical Service Bulletin #20NA020
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 030000 SERVICE BRAKES, HYDRAULIC
NHTSA #10172288
Date Of Bulletin
20200128
Failing Component Name
030000 SERVICE BRAKES, HYDRAULIC
Description
This technical bulletin provides a procedure to replace the front and rear brake pads if the brakes are squealing.
Technical Service Bulletin #20NA021
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 010000 STEERING
NHTSA #10172289
Date Of Bulletin
20200129
Failing Component Name
010000 STEERING
Description
This technical bulletin provides repair information to correct a customer concern of Intermittent "Service Steering Column Lock" message displayed with U0155 Set.
Technical Service Bulletin #20NA022
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 280000 BACK OVER PREVENTION
NHTSA #10172290
Date Of Bulletin
20200129
Failing Component Name
280000 BACK OVER PREVENTION
Description
This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts).
Technical Service Bulletin #20NA022
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 200000 WHEELS
NHTSA #10172290
Date Of Bulletin
20200129
Failing Component Name
200000 WHEELS
Description
This technical bulletin provides a procedure to re-torque the leaf spring u bolts to correct a condition of Clunking Noise from Rear of Vehicle (Re-torque Leaf Spring Bolts).
Technical Service Bulletin #030846004W
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10172292
Date Of Bulletin
20200113
Failing Component Name
350000 EQUIPMENT
Description
This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only).
Technical Service Bulletin #030846004W
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10172292
Date Of Bulletin
20200113
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This bulletin provides information regarding Part Restriction and Ordering Process Information for OnStar® Vehicle Communication Interface Modules (VCIM) (GMNA Only).
Technical Service Bulletin #PIT5544C
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 010000 STEERING
NHTSA #10167435
Date Of Bulletin
20191014
Failing Component Name
010000 STEERING
Description
This Preliminary information communicates information on a hydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is
Technical Service Bulletin #PIT5161G
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
NHTSA #10167458
Date Of Bulletin
20191025
Failing Component Name
070000 FUEL SYSTEM, GASOLINE
Description
This Preliminary Information communication provides information to the technician about vehicles that may have a bump feel or clunk noise at a stop or on launch. Dealer should communicate to the customer this condition is a normal operating
Technical Service Bulletin #100605002H
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
NHTSA #10168209
Date Of Bulletin
20191014
Failing Component Name
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Description
This informational bulletin provides information on Clean Exhaust Filter See Owners Manual Now or Cleaning Exhaust Filter Keep Driving Until Message is Cleared messages Displayed on DIC, DTC P2463 May Be Set.
Technical Service Bulletin #120851002K
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10168210
Date Of Bulletin
20191030
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.
Technical Service Bulletin #PIT5551E
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 260000 FORWARD COLLISION AVOIDANCE
NHTSA #10167425
Date Of Bulletin
20191003
Failing Component Name
260000 FORWARD COLLISION AVOIDANCE
Description
This Preliminary information communicates a "Forward Collision System Reduced" message displayed on the DIC when the Forward Automatic Braking has been set to the "Alert" setting. This is normal when the FAB has been set to "Alert".
Technical Service Bulletin #PIP5655A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10167433
Date Of Bulletin
20191010
Failing Component Name
100000 POWER TRAIN
Description
This Preliminary information communicates to the dealer technician that the 10L1000 transmission have been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.
Technical Service Bulletin #17NA073
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10166638
Date Of Bulletin
20190918
Failing Component Name
350000 EQUIPMENT
Description
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
Technical Service Bulletin #N192266750
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10167472
Date Of Bulletin
20191001
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
N192266750 - Service Update. On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster may incorrectly display the message ?DEF Low? when a diese
Technical Service Bulletin #N192266751
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10167478
Date Of Bulletin
20191008
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
N192266751 - Service Update (9 VINs moved from N192266750 due to different procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster
Technical Service Bulletin #19NA216
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 103000 POWER TRAIN:AUTOMATIC TRANSMISSION
NHTSA #10166658
Date Of Bulletin
20190930
Failing Component Name
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
Description
This technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if the cause of the concern.
Technical Service Bulletin #010601011K
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10168205
Date Of Bulletin
20191009
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
Technical Service Bulletin #18NA279
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
NHTSA #10168186
Date Of Bulletin
20191010
Failing Component Name
353000 EQUIPMENT:ELECTRICAL
Description
This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.
Technical Service Bulletin #18NA383
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 160000 STRUCTURE
NHTSA #10173388
Date Of Bulletin
20200217
Failing Component Name
160000 STRUCTURE
Description
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
Technical Service Bulletin #N192286190
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
NHTSA #10172662
Date Of Bulletin
20200214
Failing Component Name
080000 FUEL SYSTEM, DIESEL
Description
Service Update - Certain vehicles may have a condition where the thermal cover may accelerate corrosion of the low pressure diesel hydrocarbon injector. Dealers are to remove the low pressure diesel hydrocarbon injector thermal cover.
Technical Service Bulletin #N192286190
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
NHTSA #10172662
Date Of Bulletin
20200214
Failing Component Name
070000 FUEL SYSTEM, GASOLINE
Description
Service Update - Certain vehicles may have a condition where the thermal cover may accelerate corrosion of the low pressure diesel hydrocarbon injector. Dealers are to remove the low pressure diesel hydrocarbon injector thermal cover.
Technical Service Bulletin #N192286190
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 030000 SERVICE BRAKES, HYDRAULIC
NHTSA #10172662
Date Of Bulletin
20200214
Failing Component Name
030000 SERVICE BRAKES, HYDRAULIC
Description
Service Update - Certain vehicles may have a condition where the thermal cover may accelerate corrosion of the low pressure diesel hydrocarbon injector. Dealers are to remove the low pressure diesel hydrocarbon injector thermal cover.
Technical Service Bulletin #19NA228
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10168235
Date Of Bulletin
20191007
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns.
Technical Service Bulletin #19NA231
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 353600 EQUIPMENT:AIR CONDITIONER
NHTSA #10168237
Date Of Bulletin
20191016
Failing Component Name
353600 EQUIPMENT:AIR CONDITIONER
Description
This informational bulletin informs the technician of a possible low A/C charge in a low milage vehicle from the factory.
Technical Service Bulletin #19NA232
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10168238
Date Of Bulletin
20191014
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not.
Technical Service Bulletin #N192266750-01
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 117000 DIGITAL INSTRUMENT PANEL
NHTSA #10171240
Date Of Bulletin
20191202
Failing Component Name
117000 DIGITAL INSTRUMENT PANEL
Description
N192266750-01 - Service Update (Revised Warranty Information and Service Procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster ma
Technical Service Bulletin #N192266750-01
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10171240
Date Of Bulletin
20191202
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
N192266750-01 - Service Update (Revised Warranty Information and Service Procedure). On certain vehicles that are equipped with a 6.6L diesel engine, may have one or more of the following conditions exist: 1.The instrument panel cluster ma
Technical Service Bulletin #N192267990
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 162000 STRUCTURE:BODY
NHTSA #10171247
Date Of Bulletin
20191205
Failing Component Name
162000 STRUCTURE:BODY
Description
N192259800 - Customer Satisfaction Program - Certain 2020 vehicles vehicles, equipped with the 6.6L diesel engine (RPO L5P), may have a condition in which the adhesive attaching the heat shield to the air inlet panel may lose adhesion. Dea
Technical Service Bulletin #N192267990
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10171247
Date Of Bulletin
20191205
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
N192259800 - Customer Satisfaction Program - Certain 2020 vehicles vehicles, equipped with the 6.6L diesel engine (RPO L5P), may have a condition in which the adhesive attaching the heat shield to the air inlet panel may lose adhesion. Dea
Technical Service Bulletin #N192277930
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10171248
Date Of Bulletin
20191206
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
N192277930 - Service Update - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles may, after several years of use, fracture at the yoke-to-tube friction weld joint under torsional load. If the prop shaft fractures, the vehi
Technical Service Bulletin #19NA216
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10171898
Date Of Bulletin
20200108
Failing Component Name
350000 EQUIPMENT
Description
This technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if the cause of the concern.
Technical Service Bulletin #19NA216
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 104000 POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
NHTSA #10171898
Date Of Bulletin
20200108
Failing Component Name
104000 POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
Description
This technical bulletin provides the tech with a procedure to check the t-case for loose fasteners and to re-torque if the cause of the concern.
Technical Service Bulletin #20NA006
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10171905
Date Of Bulletin
20200114
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak.
Technical Service Bulletin #20NA006
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 010000 STEERING
NHTSA #10171905
Date Of Bulletin
20200114
Failing Component Name
010000 STEERING
Description
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak.
Technical Service Bulletin #20NA038
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10172811
Date Of Bulletin
20200226
Failing Component Name
060000 ENGINE (PWS)
Description
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
Technical Service Bulletin #20NA038
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
NHTSA #10172811
Date Of Bulletin
20200226
Failing Component Name
080000 FUEL SYSTEM, DIESEL
Description
This informational bulletin explains the difference in AFM and DFM engines and what is and is not activated during this occurrence.
Technical Service Bulletin #20NA040
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10172813
Date Of Bulletin
20200226
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all.
Technical Service Bulletin #20NA040
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 173100 LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH
NHTSA #10172813
Date Of Bulletin
20200226
Failing Component Name
173100 LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH
Description
This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all.
Technical Service Bulletin #20NA043
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 280000 BACK OVER PREVENTION
NHTSA #10172814
Date Of Bulletin
20200226
Failing Component Name
280000 BACK OVER PREVENTION
Description
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.
Technical Service Bulletin #20NA044
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10172815
Date Of Bulletin
20200228
Failing Component Name
350000 EQUIPMENT
Description
This technical bulletin provides repair information to correct a customer concern of endgate will not auto open or auto close after accessory tonneau cover installation, and/or poor fit of tonneau cover to endgate.
Technical Service Bulletin #N192278640
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10171431
Date Of Bulletin
20200128
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
Service Update Bulletin - Certain 2020 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a 2.7L Engine (RPO ENL), Engine Control Disable Start/Stop (RPO L3B), and a 3.5? Driver?s Information Center Display (RPO UDC), may
Technical Service Bulletin #16NA119
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10172773
Date Of Bulletin
20200214
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This warranty administration bulletin provide policy information to cover GMs policy on performing GM covered vehicle services and maintenance on vehicles originating/sold in Canada.
Technical Service Bulletin #20NA006
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10173404
Date Of Bulletin
20200224
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak.
Technical Service Bulletin #20NA006
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10173404
Date Of Bulletin
20200224
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak.
Technical Service Bulletin #20NA006
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 010000 STEERING
NHTSA #10173404
Date Of Bulletin
20200224
Failing Component Name
010000 STEERING
Description
This informational bulletin explains there is another steering hose that can be used for cold weather drivers that experience a steering hose leak.
Technical Service Bulletin #20NA019
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10173408
Date Of Bulletin
20200225
Failing Component Name
100000 POWER TRAIN
Description
This technical bulletin provides a procedure to replace the transmission shifter control if found the cause of the condition.
Technical Service Bulletin #18NA073
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10172784
Date Of Bulletin
20200207
Failing Component Name
060000 ENGINE (PWS)
Description
This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
Technical Service Bulletin #18NA073
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10172784
Date Of Bulletin
20200207
Failing Component Name
350000 EQUIPMENT
Description
This Bulletin provides graphics, information and guidelines for engine component wear to assist service personnel as a guideline to perform necessary engine repairs and prevent unnecessary engine replacement.
Technical Service Bulletin #18NA306
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10171888
Date Of Bulletin
20200117
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).
Technical Service Bulletin #18NA383
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 161000 STRUCTURE:FRAME AND MEMBERS
NHTSA #10171889
Date Of Bulletin
20200108
Failing Component Name
161000 STRUCTURE:FRAME AND MEMBERS
Description
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
Technical Service Bulletin #18NA383
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 132000 VISIBILITY:GLASS, SIDE/REAR
NHTSA #10171889
Date Of Bulletin
20200108
Failing Component Name
132000 VISIBILITY:GLASS, SIDE/REAR
Description
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
Technical Service Bulletin #19NA212
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10171896
Date Of Bulletin
20200128
Failing Component Name
060000 ENGINE (PWS)
Description
This diagnostic tip provides a procedure to aid in performing a diagnostic test to verify if the camshaft alignment pin has been sheared away to correct a crank/No Start condition.
Technical Service Bulletin #PIP5664C
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10167424
Date Of Bulletin
20191002
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This Preliminary information communicates to the dealer technician to refer to Service Update N192266750.
Technical Service Bulletin #15NA010
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
NHTSA #10171875
Date Of Bulletin
20200123
Failing Component Name
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
Description
This informational bulletin provides information to dealership personnel for new vehicles with less than 1,000 miles that may not pass California smog inspection or smog inspection in other states.
Technical Service Bulletin #18NA383
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 160000 STRUCTURE
NHTSA #10170705
Date Of Bulletin
20191210
Failing Component Name
160000 STRUCTURE
Description
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
Technical Service Bulletin #110089002D
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10172294
Date Of Bulletin
20200129
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin provides information on GM Accessories ? Dealer-Installed, Repaired or Replaced During Warranty Coverage Period.
Technical Service Bulletin #150089005C
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10173418
Date Of Bulletin
20200214
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only).
Technical Service Bulletin #150089005C
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10173418
Date Of Bulletin
20200214
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This Warranty Administration bulletin provides information on Essential Tools that include Consumable Parts (U.S. Only).
Technical Service Bulletin #DOR-D8C4T-03
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 133000 VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
NHTSA #10172883
Date Of Bulletin
20200131
Failing Component Name
133000 VISIBILITY:POWER WINDOW DEVICES AND CONTROLS
Description
This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causi
Technical Service Bulletin #DOR-D8C4T-03
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10172883
Date Of Bulletin
20200131
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This SKU is a Power Window Regulator and Motor Assembly. The customer communication requested return of unsold inventory to inspect the software. The software may be too sensitive to the position of a locating magnet in the assembly causi
Technical Service Bulletin #050307009J
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10173417
Date Of Bulletin
20200214
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
Technical Service Bulletin #050307009J
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 200000 WHEELS
NHTSA #10173417
Date Of Bulletin
20200214
Failing Component Name
200000 WHEELS
Description
This informational bulletin provides information on Wheel Alignment Specifications, Requirements and Recommendations for GM Vehicles.
Technical Service Bulletin #000310003Y
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10173414
Date Of Bulletin
20200226
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
Technical Service Bulletin #000310003Y
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 190000 TIRES
NHTSA #10173414
Date Of Bulletin
20200226
Failing Component Name
190000 TIRES
Description
This warranty administration bulletin provides information on the tires supplied with a new vehicle are covered by General Motors against defects in material or workmanship under the Bumper-to-Bumper New Vehicle Limited Warranty.
Technical Service Bulletin #PIE0554
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10173423
Date Of Bulletin
20200213
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This engineering information (EI) is requesting information from the field to perform the check list provided and contact the engineer in regards to Instrument Panel Cluster (IPC) Gages at Zero, Multiple Warning Lights On, No Chimes and/or
Technical Service Bulletin #16NA383
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10171878
Date Of Bulletin
20200102
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels
Technical Service Bulletin #16NA383
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10171878
Date Of Bulletin
20200102
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels
Technical Service Bulletin #16NA383
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
NHTSA #10171878
Date Of Bulletin
20200102
Failing Component Name
073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM
Description
This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier fuels
Technical Service Bulletin #040601029J
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10173416
Date Of Bulletin
20200228
Failing Component Name
060000 ENGINE (PWS)
Description
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.
Technical Service Bulletin #040601029J
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10173416
Date Of Bulletin
20200228
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.
Technical Service Bulletin #040601029J
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10173416
Date Of Bulletin
20200228
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin explains Unscheduled Supplemental Services (including Flushing Services and Additives) and the Proper use of GM Simplified Maintenance Schedules.
Technical Service Bulletin #040089015U
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10173415
Date Of Bulletin
20200227
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This bulletin provides information on Warranty Administration ? Required Operating Procedures - 8 Points (U.S. Only).
Technical Service Bulletin #080089014F
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10169355
Date Of Bulletin
20191125
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
Technical Service Bulletin #080089014F
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10169355
Date Of Bulletin
20191125
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin provides information for dealers/technicians on Use of Dealer Case Management (DCM) and Being Prepared for Contacting U.S. Technical Assistance (TAC).
Technical Service Bulletin #990420002K
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10168212
Date Of Bulletin
20191029
Failing Component Name
100000 POWER TRAIN
Description
This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.
Technical Service Bulletin #100089009D
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10169357
Date Of Bulletin
20191126
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.
Technical Service Bulletin #100089009D
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10169357
Date Of Bulletin
20191126
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin provides information on key code security rules and information on GM keycode look-up applications.
Technical Service Bulletin #PIE0548
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10169368
Date Of Bulletin
20191118
Failing Component Name
350000 EQUIPMENT
Description
This engineering informational bulletin is requesting information on a issue that is caused by loose ground connection at G110 or G114 that results in a repair.
Technical Service Bulletin #19NA270
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10169351
Date Of Bulletin
20191121
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet.
Technical Service Bulletin #19NA270
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10169351
Date Of Bulletin
20191121
Failing Component Name
350000 EQUIPMENT
Description
This technical bulletin provides repair information to correct a customer concern of Phone Ringer Volume Turned Down or Too Quiet.
Technical Service Bulletin #PIP5690A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
NHTSA #10170423
Date Of Bulletin
20191206
Failing Component Name
118000 ELECTRICAL SYSTEM: SOFTWARE
Description
This Preliminary information communicates to dealer technicians there is a software anomaly not allowing the air filter life to be reset.
Technical Service Bulletin #PIT5479C
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 030000 BRAKES (PWS)
NHTSA #10170424
Date Of Bulletin
20191209
Failing Component Name
030000 BRAKES (PWS)
Description
This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the calipe
Technical Service Bulletin #PIP5695
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
NHTSA #10170488
Date Of Bulletin
20191220
Failing Component Name
070000 FUEL SYSTEM, GASOLINE
Description
This Preliminary information communicates to dealer technicians to check for open field actions or ECM updates for fuel gauge concerns or DTCs P24B0 or P0461.
Technical Service Bulletin #19NA269
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10170491
Date Of Bulletin
20191210
Failing Component Name
350000 EQUIPMENT
Description
This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update.
Technical Service Bulletin #PIP5504C
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10171290
Date Of Bulletin
20200117
Failing Component Name
100000 POWER TRAIN
Description
This Preliminary Information communication provides information and definitions to the technician about vehicles that have fishbite, chuggle, misfire, AFM disturbances or torque converter shudder/vibration concerns. Technician are advised t
Technical Service Bulletin #PIP5503B
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10171264
Date Of Bulletin
20200110
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. The technician is advised to inspect for contaminnants and adjust
Technical Service Bulletin #PIT5387G
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10171297
Date Of Bulletin
20200117
Failing Component Name
350000 EQUIPMENT
Description
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe
Technical Service Bulletin #PIT5387G
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10171297
Date Of Bulletin
20200117
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe
Technical Service Bulletin #PIT5636A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10171298
Date Of Bulletin
20200117
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number.
Technical Service Bulletin #PIT5636A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
NHTSA #10171298
Date Of Bulletin
20200117
Failing Component Name
070000 FUEL SYSTEM, GASOLINE
Description
This Preliminary information communicates an issues with a SES MIL and DTC P1005 and to replace the fuel pump driver control module with an updated part number.
Technical Service Bulletin #PIT5411R
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10171300
Date Of Bulletin
20200123
Failing Component Name
350000 EQUIPMENT
Description
This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance C
Technical Service Bulletin #PIT5411R
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10171300
Date Of Bulletin
20200123
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary Information communication advises the technician that the Radio or Tuner, radio controls, Integrated Center Stack, HUD's, IPC's, and radio displays are placed on restriction through the General Motors Technical Assistance C
Technical Service Bulletin #PIP5706
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10171312
Date Of Bulletin
20200129
Failing Component Name
100000 POWER TRAIN
Description
This Preliminary information communicates to the dealer a condition with the throttle body that may illuminate the service engine soon light, cause the engine to run rough and/or display reduced engine power message. Dealers are instructed
Technical Service Bulletin #PIT5527C
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 270000 LANE DEPARTURE
NHTSA #10168965
Date Of Bulletin
20191112
Failing Component Name
270000 LANE DEPARTURE
Description
This Preliminary Information communication provides information to the technician about vehicles that show a "Take Steering" message on the Driver Information Center along with a warning chime/alert. Dealer should be advised the purpose of
Technical Service Bulletin #010842001M
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 120000 LIGHTING (PWS)
NHTSA #10169354
Date Of Bulletin
20191112
Failing Component Name
120000 LIGHTING (PWS)
Description
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
Technical Service Bulletin #010842001M
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10169354
Date Of Bulletin
20191112
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
Technical Service Bulletin #010842001M
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10169354
Date Of Bulletin
20191112
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
Technical Service Bulletin #090089002R
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10175854
Date Of Bulletin
20200430
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
Technical Service Bulletin #090089002R
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10175854
Date Of Bulletin
20200430
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This informational bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before sold (prepping) to the customer.
Technical Service Bulletin #PI0281H
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10175855
Date Of Bulletin
20200414
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
Technical Service Bulletin #PI0281H
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 162000 STRUCTURE:BODY
NHTSA #10175855
Date Of Bulletin
20200414
Failing Component Name
162000 STRUCTURE:BODY
Description
This preliminary informational bulletin provides information to dealership personnel which may be helpful when addressing underbody component corrosion with customers.
Technical Service Bulletin #PIE0560
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10174446
Date Of Bulletin
20200324
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards on a Service 4WD message being visible the driver information center (DIC).
Technical Service Bulletin #PIP5719A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10174826
Date Of Bulletin
20200417
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern.
Technical Service Bulletin #000310003Z
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10175850
Date Of Bulletin
20200429
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
Technical Service Bulletin #000310003Z
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 190000 TIRES
NHTSA #10175850
Date Of Bulletin
20200429
Failing Component Name
190000 TIRES
Description
This Warranty Administration bulletin is for information on General Motors New Vehicle Tire Warranty Program (U.S. Dealers Only).
Technical Service Bulletin #PIE0562
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 210000 TRAILER HITCHES
NHTSA #10174448
Date Of Bulletin
20200325
Failing Component Name
210000 TRAILER HITCHES
Description
This engineering information (EI) is requesting information from technicians to perform the checklist provided and contact the engineer listed in regards to a Check Trailer Message on Drivers Information Center (DIC) and/or F74, F82 Fuses B
Technical Service Bulletin #PIT5195F
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10174859
Date Of Bulletin
20200427
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/
Technical Service Bulletin #PIP5719B
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10174860
Date Of Bulletin
20200427
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This Preliminary information communicates the possibility of dtc P12A6 with the possibility of a crank no start or extended crank concern.
Technical Service Bulletin #N202294960
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 200000 WHEELS
NHTSA #10176812
Date Of Bulletin
20200508
Failing Component Name
200000 WHEELS
Description
Customer Satisfaction Program - Vehicles may have been built with 3500 series single rear wheel leaf springs. In service, if a single leaf spring were to be replaced, a 2500 series spring could be installed which would cause the vehicle to
Technical Service Bulletin #N202294960
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 020000 SUSPENSION
NHTSA #10176812
Date Of Bulletin
20200508
Failing Component Name
020000 SUSPENSION
Description
Customer Satisfaction Program - Vehicles may have been built with 3500 series single rear wheel leaf springs. In service, if a single leaf spring were to be replaced, a 2500 series spring could be installed which would cause the vehicle to
Technical Service Bulletin #N202298330
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10176813
Date Of Bulletin
20200511
Failing Component Name
350000 EQUIPMENT
Description
Customer Satisfaction Program - Certain 2020 Chevrolet Silverado HD and GMC Sierra HD vehicles were intended to include a high idle feature, (RPO UF3). Equipment not included on the vehicle is required for the ?high idle? feature to functi
Technical Service Bulletin #N192282860
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10176814
Date Of Bulletin
20200514
Failing Component Name
100000 POWER TRAIN
Description
Service Update - Certain vehicles may have a condition where the transmission enters a neutral state when the internal range sensor (IRS) fault is active. Dealers are to reprogram the transmission control module.
Technical Service Bulletin #N202299520
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 281000 BACK OVER PREVENTION: BACK-UP ALARM
NHTSA #10176818
Date Of Bulletin
20200519
Failing Component Name
281000 BACK OVER PREVENTION: BACK-UP ALARM
Description
Customer Service Program - Certain vehicles may not have the backup alarm which should have been included the dealer kit. Dealers are to provide the missing backup alarm to the customer.
Technical Service Bulletin #N202300791
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL
NHTSA #10176821
Date Of Bulletin
20200521
Failing Component Name
080000 FUEL SYSTEM, DIESEL
Description
Service Update - In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is no longer present. In
Technical Service Bulletin #N202300791
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
NHTSA #10176821
Date Of Bulletin
20200521
Failing Component Name
063000 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM
Description
Service Update - In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is no longer present. In
Technical Service Bulletin #N202300791
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
NHTSA #10176821
Date Of Bulletin
20200521
Failing Component Name
061200 ENGINE AND ENGINE COOLING:ENGINE:DIESEL
Description
Service Update - In some vehicles, equipped with diesel engines, the Diesel Exhaust Fluid (DEF) system may not immediately reactivate, as it should, after the vehicle?s control system finds that a DEF heater fault is no longer present. In
Technical Service Bulletin #PIT5743
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10174869
Date Of Bulletin
20200430
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary information communicates diagnostic tips when trying to root cause a SES MIL with DTC's B2B0D and B2B0E. Main cause is aftermarket electrical devices spliced into the ignition main fuses.
Technical Service Bulletin #060089029R
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10175853
Date Of Bulletin
20200428
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
Technical Service Bulletin #060089029R
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10175853
Date Of Bulletin
20200428
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
Technical Service Bulletin #140604004G
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10176650
Date Of Bulletin
20200527
Failing Component Name
060000 ENGINE (PWS)
Description
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.
Technical Service Bulletin #PIE0568
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10176655
Date Of Bulletin
20200512
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This engineering information (EI) is requesting information from technicians to perform the checklist provided and contact the engineer listed in regards to Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button Igni
Technical Service Bulletin #PIE0568A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10176656
Date Of Bulletin
20200512
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button Ign
Technical Service Bulletin #PIE0568B
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10176657
Date Of Bulletin
20200526
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to Shift to Park Message on Drivers Information Center (DIC) (ONLY On Push Button Ign
Technical Service Bulletin #PIP5711
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10173670
Date Of Bulletin
20200303
Failing Component Name
060000 ENGINE (PWS)
Description
This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise.
Technical Service Bulletin #PIP5711
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10173670
Date Of Bulletin
20200303
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary information communicates to the dealer technicians a warm engine knock noise has no short or long term effects on the engine. Do not attempt repairs for this noise.
Technical Service Bulletin #PIP5712
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10173671
Date Of Bulletin
20200303
Failing Component Name
060000 ENGINE (PWS)
Description
This Preliminary information communicates to the technician a service Diagnostic / Repair tip to avoid causing the crankshaft sprocket to disengage from the crankshaft during crankshaft balancer removal.
Technical Service Bulletin #PIT5736
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10173679
Date Of Bulletin
20200309
Failing Component Name
350000 EQUIPMENT
Description
This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.
Technical Service Bulletin #PIT5736
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 130000 VISIBILITY
NHTSA #10173679
Date Of Bulletin
20200309
Failing Component Name
130000 VISIBILITY
Description
This Preliminary information communicates how the HVAC setting operates during a remote vehicle start.
Technical Service Bulletin #N192273400
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10169635
Date Of Bulletin
20191101
Failing Component Name
060000 ENGINE (PWS)
Description
N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not be fully seated (loose), allowing unrestricted blow-by gases to release to the atmosphere.
Technical Service Bulletin #N192273400
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10169635
Date Of Bulletin
20191101
Failing Component Name
350000 EQUIPMENT
Description
N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not be fully seated (loose), allowing unrestricted blow-by gases to release to the atmosphere.
Technical Service Bulletin #N192273400
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE
NHTSA #10169635
Date Of Bulletin
20191101
Failing Component Name
070000 FUEL SYSTEM, GASOLINE
Description
N192273400 - Service Update. Certain LD vehicles may have a condition in which the right-hand side, positive crankcase ventilation (PCV) tube may not be fully seated (loose), allowing unrestricted blow-by gases to release to the atmosphere.
Technical Service Bulletin #N192279900
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
NHTSA #10169636
Date Of Bulletin
20191101
Failing Component Name
118000 ELECTRICAL SYSTEM: SOFTWARE
Description
N192279900 - Service Update. On certain vehicles equipped with an active hydraulic assist gear (RPO NV8), the driver may experience a steering wheel vibration while driving typically at speeds from 50 mph (80 km) to 80 mph (130 km). Deale
Technical Service Bulletin #N192279900
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 010000 STEERING
NHTSA #10169636
Date Of Bulletin
20191101
Failing Component Name
010000 STEERING
Description
N192279900 - Service Update. On certain vehicles equipped with an active hydraulic assist gear (RPO NV8), the driver may experience a steering wheel vibration while driving typically at speeds from 50 mph (80 km) to 80 mph (130 km). Deale
Technical Service Bulletin #060089029S
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 117000 DIGITAL INSTRUMENT PANEL
NHTSA #10176646
Date Of Bulletin
20200506
Failing Component Name
117000 DIGITAL INSTRUMENT PANEL
Description
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
Technical Service Bulletin #060089029S
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10176646
Date Of Bulletin
20200506
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
Technical Service Bulletin #PIT5746
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10176332
Date Of Bulletin
20200527
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This Preliminary information communicates information on how dealers can contact the supplier for Associated Accessories offered through GM.
Technical Service Bulletin #PIP5728A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10176335
Date Of Bulletin
20200529
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Dealer is instructed to manually build the vehicle in GDS2 and perform the function until software update
Technical Service Bulletin #20NA095
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10175773
Date Of Bulletin
20200428
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This informational bulletin is advising dealers to replace the grilles due to rust.
Technical Service Bulletin #20NA095
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 160000 STRUCTURE
NHTSA #10175773
Date Of Bulletin
20200428
Failing Component Name
160000 STRUCTURE
Description
This informational bulletin is advising dealers to replace the grilles due to rust.
Technical Service Bulletin #PIE0560A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10175858
Date Of Bulletin
20200420
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Service 4WD message being visible on the driver information center (DIC).
Technical Service Bulletin #PIE0560A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 104000 POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
NHTSA #10175858
Date Of Bulletin
20200420
Failing Component Name
104000 POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
Description
This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to a Service 4WD message being visible on the driver information center (DIC).
Technical Service Bulletin #060089029T
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 117000 DIGITAL INSTRUMENT PANEL
NHTSA #10176647
Date Of Bulletin
20200527
Failing Component Name
117000 DIGITAL INSTRUMENT PANEL
Description
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
Technical Service Bulletin #060089029T
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10176647
Date Of Bulletin
20200527
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin includes information on Interior Cleaning - Instrument Panel (IP), Hard or Plastic Surfaces, Seats, Carpet, Leather, Vinyl, Fabric Cleaner, Stain Remover, Restorer - Product Availability.
Technical Service Bulletin #PIT5403F
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 020000 SUSPENSION
NHTSA #10173680
Date Of Bulletin
20200309
Failing Component Name
020000 SUSPENSION
Description
This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related t
Technical Service Bulletin #PIT4261F
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 192000 TIRES:SIDEWALL
NHTSA #10173681
Date Of Bulletin
20200309
Failing Component Name
192000 TIRES:SIDEWALL
Description
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer
Technical Service Bulletin #PIT4261F
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 190000 TIRES
NHTSA #10173681
Date Of Bulletin
20200309
Failing Component Name
190000 TIRES
Description
This Preliminary Information communication provides information to the technician about vehicles with tire sidewall irregularities. This is a visual condition that will not affect durability, reliability or performance of the tires. Dealer
Technical Service Bulletin #PIP5716
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10173705
Date Of Bulletin
20200317
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary information communicates that there is software update available for the TCCM to correct a software anomaly.
Technical Service Bulletin #PIP5717
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10173706
Date Of Bulletin
20200317
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary information communicates that there is software update available for the TCCM to correct a software anomaly.
Technical Service Bulletin #PIT5509F
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 031100 SERVICE BRAKES, ELECTRIC
NHTSA #10173714
Date Of Bulletin
20200320
Failing Component Name
031100 SERVICE BRAKES, ELECTRIC
Description
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a
Technical Service Bulletin #PIT5509F
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10173714
Date Of Bulletin
20200320
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System? message on the Driver Information Center when a
Technical Service Bulletin #PIP5429A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10176309
Date Of Bulletin
20200508
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Technician can update the Transmission Control Module if working
Technical Service Bulletin #PIP5429A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10176309
Date Of Bulletin
20200508
Failing Component Name
100000 POWER TRAIN
Description
This Preliminary Information communication advises the technician that the customer may experience a 2-3 slip or flare after the vehicle has been sitting for a period of time. Technician can update the Transmission Control Module if working
Technical Service Bulletin #PIP5727
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10176307
Date Of Bulletin
20200508
Failing Component Name
100000 POWER TRAIN
Description
This Preliminary information communicates diagnostic tips on finding root cause of a hoot noise. If the technician confirms the hoot noise is only present while the torque converter clutch is applying the technician should advise the custom
Technical Service Bulletin #PIT4506E
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 199000 TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS
NHTSA #10176313
Date Of Bulletin
20200513
Failing Component Name
199000 TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS
Description
This Preliminary Information communication provides information to the technician that some owners of Heavy Duty Trucks and Utilities may ask if they can lower their tire pressures. Tire pressures being set to the "Tire and Loading Label" w
Technical Service Bulletin #PIP5729
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10176315
Date Of Bulletin
20200513
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary information communicates Some customers may comment that the SES lamp is illuminated or was Illuminated and turned off. During inspection Technician may notice DTC P1682 (Ignition 1 Switch Circuit 2) active or stored in his
Technical Service Bulletin #PIP5728
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10176316
Date Of Bulletin
20200513
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Preliminary information communicates to the dealer an issue where a module configuration function is missing from GDS2 scan tool. Dealer is instructed to manually buid the vehicle in GDS2 and perform the function until software update
Technical Service Bulletin #PIT5737A
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10176318
Date Of Bulletin
20200515
Failing Component Name
350000 EQUIPMENT
Description
This Preliminary information communicates an XM service concern of no audio at startup until a channel change and directs to contact XM for direct support.
Technical Service Bulletin #030089006R
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10176644
Date Of Bulletin
20200507
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin provides the dealership with how to prep a vehicle for delivery to the customer to aid in higher CSi scores.
Technical Service Bulletin #030601023D
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10176645
Date Of Bulletin
20200528
Failing Component Name
060000 ENGINE (PWS)
Description
This information bulletin explains how to measure for oil consumption and possible reasons for loss of oil.
Technical Service Bulletin #20NA067
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10174088
Date Of Bulletin
20200313
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This informational bulletin provides information for dealers/technicians on Accessory Rear Seat Infotainment (RSI) Shuts Off, Coinciding with Closing of Door or Liftgate.
Technical Service Bulletin #990089019S
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10174307
Date Of Bulletin
20200302
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This warranty administration bulletin provides information on Global Warranty Management (GWM) Warranty Parts Center (WPC) Parts Return Program Information.
Technical Service Bulletin #19NA269
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10176618
Date Of Bulletin
20200518
Failing Component Name
350000 EQUIPMENT
Description
This Technical bulletin provides a service procedure for dealers/technicians on installation of Radio Software Version U148 Over-the-Air Update.
Technical Service Bulletin #20NA098
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 073200 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
NHTSA #10176632
Date Of Bulletin
20200505
Failing Component Name
073200 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
Description
This informational bulletin explains to the tech on how to order a new fuel injector by matching the part number on the part and ordering it from the EPC.
Technical Service Bulletin #20NA020
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 030000 BRAKES (PWS)
NHTSA #10176621
Date Of Bulletin
20200521
Failing Component Name
030000 BRAKES (PWS)
Description
This technical bulletin provides a procedure to replace the front and rear brake pads if the brakes are squealing.
Technical Service Bulletin #20NA036
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 284000 BACK OVER PREVENTION: CAMERA SYSTEM
NHTSA #10176622
Date Of Bulletin
20200518
Failing Component Name
284000 BACK OVER PREVENTION: CAMERA SYSTEM
Description
This informational bulletin provides information for dealers/technicians on Rear Camera Gridlines Incorrect, Misaligned, Offset, Incorrect Camera View after Replacing the Tailgate Handle or Entire Tailgate.
Technical Service Bulletin #20NA043
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10176624
Date Of Bulletin
20200504
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This informational bulletin advises the technician to not replace the TMAP sensor, clean it using air or harsh chemicals but allow time for the sensor to thaw.
Technical Service Bulletin #20NA090
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10176630
Date Of Bulletin
20200504
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This informational bulletin provides a way for the technician to identify if the ECM has been modified.
Technical Service Bulletin #20NA090
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10176630
Date Of Bulletin
20200504
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This informational bulletin provides a way for the technician to identify if the ECM has been modified.
Technical Service Bulletin #20NA096
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
NHTSA #10176631
Date Of Bulletin
20200505
Failing Component Name
118000 ELECTRICAL SYSTEM: SOFTWARE
Description
This informational bulletin provides information for dealers/technicians on Glow Plug Control Module Update.
Technical Service Bulletin #20NA012
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 118000 ELECTRICAL SYSTEM: SOFTWARE
NHTSA #10174276
Date Of Bulletin
20200324
Failing Component Name
118000 ELECTRICAL SYSTEM: SOFTWARE
Description
This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update.
Technical Service Bulletin #20NA012
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10174276
Date Of Bulletin
20200324
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update.
Technical Service Bulletin #20NA019
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10174278
Date Of Bulletin
20200317
Failing Component Name
100000 POWER TRAIN
Description
This technical bulletin provides a procedure to replace the transmission shifter control if found the cause of the condition.
Technical Service Bulletin #20NA035
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 162800 STRUCTURE:BODY:HOOD
NHTSA #10174280
Date Of Bulletin
20200304
Failing Component Name
162800 STRUCTURE:BODY:HOOD
Description
This technical bulletin provides repair information to correct a customer concern of hearing a wind whistle noise from front of vehicle while driving.
Technical Service Bulletin #20NA040
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 173100 LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH
NHTSA #10174282
Date Of Bulletin
20200318
Failing Component Name
173100 LATCHES/LOCKS/LINKAGES:TAILGATE:LATCH
Description
This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all.
Technical Service Bulletin #20NA040
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10174282
Date Of Bulletin
20200318
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This technical bulletin provides repair information to correct a customer concern of the pickup box power endgate may not open on initial press, or may not open at all.
Technical Service Bulletin #20NA050
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10174073
Date Of Bulletin
20200303
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This technical bulletin provides a procedure to clear the codes and test the Tcase if found that the customer has tried to shift the t-case from 4lo to Hi gears while driving.
Technical Service Bulletin #20NA059
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10174081
Date Of Bulletin
20200306
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This technical bulletin provides repair information to correct a customer concern of the pickup box endgate will not fully close by itself.
Technical Service Bulletin #060089029P
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10174302
Date Of Bulletin
20200320
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.
Technical Service Bulletin #18NA383
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 160000 STRUCTURE
NHTSA #10175747
Date Of Bulletin
20200406
Failing Component Name
160000 STRUCTURE
Description
This technical bulletin provides repair information to correct a customer concern of water found in rear interior of cab due to water leak at rear sliding window.
Technical Service Bulletin #20NA012
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10175756
Date Of Bulletin
20200420
Failing Component Name
350000 EQUIPMENT
Description
This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update.
Technical Service Bulletin #20NA012
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10175756
Date Of Bulletin
20200420
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This Technical bulletin provides service procedure information for dealers/technicians on Radio Software Version V135116 Over-the-Air Update.
Technical Service Bulletin #20NA048
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10175758
Date Of Bulletin
20200420
Failing Component Name
350000 EQUIPMENT
Description
This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt.
Technical Service Bulletin #20NA048
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 150000 SEAT BELTS
NHTSA #10175758
Date Of Bulletin
20200420
Failing Component Name
150000 SEAT BELTS
Description
This technical bulletin provides repair information to correct a customer concern of hearing a rattle noise from driver or passenger seat belt.
Technical Service Bulletin #20NA082
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10175761
Date Of Bulletin
20200407
Failing Component Name
060000 ENGINE (PWS)
Description
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
Technical Service Bulletin #20NA082
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10175761
Date Of Bulletin
20200407
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This informational bulletin explains why more DEF is being used in diesel engines due to new emission standards.
Technical Service Bulletin #20NA083
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE (PWS)
NHTSA #10175762
Date Of Bulletin
20200407
Failing Component Name
060000 ENGINE (PWS)
Description
This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in working order.
Technical Service Bulletin #20NA083
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10175762
Date Of Bulletin
20200407
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This technical bulletin provides a procedure to check the oil level for correct reading and oil pressure switch is in working order.
Technical Service Bulletin #20NA087
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
NHTSA #10175766
Date Of Bulletin
20200409
Failing Component Name
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
Description
This technical bulletin provides repair information to correct a customer concern of Blank Radio Display or No Audio.
Technical Service Bulletin #20NA087
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM
NHTSA #10175766
Date Of Bulletin
20200409
Failing Component Name
110000 ELECTRICAL SYSTEM
Description
This technical bulletin provides repair information to correct a customer concern of Blank Radio Display or No Audio.
Technical Service Bulletin #020089002S
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10174299
Date Of Bulletin
20200306
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin provides information for dealers/technicians on When and How to Submit a Field Product Report (FPR) (U.S. Dealers Only).
Technical Service Bulletin #070089037O
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10174303
Date Of Bulletin
20200318
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This warranty administration bulletin provides policy information for courtesy transportation and roadside assistance programs.
Technical Service Bulletin #050310020G
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 190000 TIRES
NHTSA #10174300
Date Of Bulletin
20200304
Failing Component Name
190000 TIRES
Description
This informational bulletin provides information for dealers/technicians on Use of Nitrogen Gas in Tires.
Technical Service Bulletin #100089005I
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL
NHTSA #10174304
Date Of Bulletin
20200331
Failing Component Name
353000 EQUIPMENT:ELECTRICAL
Description
This warranty administration bulletin explains to the technician that when using wiring repair labor operations, additional information may be needed when submitting Global Warranty transactions when doing wiring repairs.
Technical Service Bulletin #140604004F
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING
NHTSA #10174305
Date Of Bulletin
20200317
Failing Component Name
060000 ENGINE AND ENGINE COOLING
Description
This informational bulletin explains the normal noises an engine may make when the ambient temperature outside is cold or the vehicle has sat for a few hours.
Technical Service Bulletin #060089026P
This 2020 GMC SIERRA 2500 Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
NHTSA #10174301
Date Of Bulletin
20200303
Failing Component Name
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
Description
This warranty administration bulletin provides information on Warranty Administration ? Customer Concern Not Duplicated (CCND) Labor Operation Numbers.
