Technical Service Bulletins For 2020 GMC SIERRA 3500
Here are the technical service bulletins we have for the 2020 GMC SIERRA 3500. If you have any questions, do not hesitate to Contact Us:
Technical Service Bulletins
Technical Service Bulletin #17NA350
This 2020 GMC SIERRA 3500 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 #19NA074
This 2020 GMC SIERRA 3500 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 #17NA374
This 2020 GMC SIERRA 3500 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 3500 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 #050604022Q
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 3500 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 3500 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 #18NA150
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 3500 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 3500 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 3500 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 3500 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 3500 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 #PIT5702
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 #PIP5655
This 2020 GMC SIERRA 3500 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 #PIP5656
This 2020 GMC SIERRA 3500 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 #N192265570
This 2020 GMC SIERRA 3500 Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE
NHTSA #10164110
Date Of Bulletin
20190628
Failing Component Name
356000 EQUIPMENT ADAPTIVE
Description
N192265570 - Service Update. Certain vehicles may have misalignment between the transmission output shaft and the transfer case input. Transfer case to transmission misalignment could cause the transfer case shift collar to slip out of enga
Technical Service Bulletin #N192265570
This 2020 GMC SIERRA 3500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10164110
Date Of Bulletin
20190628
Failing Component Name
350000 EQUIPMENT
Description
N192265570 - Service Update. Certain vehicles may have misalignment between the transmission output shaft and the transfer case input. Transfer case to transmission misalignment could cause the transfer case shift collar to slip out of enga
Technical Service Bulletin #N192265570
This 2020 GMC SIERRA 3500 Technical Service Bulletin affects the 100000 POWER TRAIN
NHTSA #10164110
Date Of Bulletin
20190628
Failing Component Name
100000 POWER TRAIN
Description
N192265570 - Service Update. Certain vehicles may have misalignment between the transmission output shaft and the transfer case input. Transfer case to transmission misalignment could cause the transfer case shift collar to slip out of enga
Technical Service Bulletin #18NA306
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 3500 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 #19NA240
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 #PIT5732
This 2020 GMC SIERRA 3500 Technical Service Bulletin affects the 081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
NHTSA #10172317
Date Of Bulletin
20200213
Failing Component Name
081100 FUEL SYSTEM, DIESEL:STORAGE:TANK ASSEMBLY
Description
This Preliminary information provides information to the technician on relocating the DEF tank to install a service body. Technician will need to reference the latest version of General Motors Up-fitter Integration Bulletin 156. The informa
Technical Service Bulletin #PIP5656D
This 2020 GMC SIERRA 3500 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 3500 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 #010089010N
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 3500 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 3500 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 3500 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 3500 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 #100605002H
This 2020 GMC SIERRA 3500 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 3500 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 #050307009I
This 2020 GMC SIERRA 3500 Technical Service Bulletin affects the 350000 EQUIPMENT
NHTSA #10172293
Date Of Bulletin
20200127
Failing Component Name
350000 EQUIPMENT
Description
This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
Technical Service Bulletin #050307009I
This 2020 GMC SIERRA 3500 Technical Service Bulletin affects the 200000 WHEELS
NHTSA #10172293
Date Of Bulletin
20200127
Failing Component Name
200000 WHEELS
Description
This informational bulletin provides retail, wholesale and fleet personnel with General Motors recommendations for customer concerns related to wheel alignment.
Technical Service Bulletin #010601011K
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 #19NA228
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 #19NA216
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 3500 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 #20NA040
This 2020 GMC SIERRA 3500 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 3500 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 #16NA119
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 3500 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 3500 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 3500 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 3500 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 #18NA383
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 #15NA010
This 2020 GMC SIERRA 3500 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 #110089002D
This 2020 GMC SIERRA 3500 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 #DOR-D8C4T-03
This 2020 GMC SIERRA 3500 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 3500 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 #PIE0554
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 3500 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 #080089014F
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 3500 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 3500 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 #19NA270
This 2020 GMC SIERRA 3500 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 3500 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 #090089002R
This 2020 GMC SIERRA 3500 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 3500 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 #000310003Z
This 2020 GMC SIERRA 3500 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 3500 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 #PIT5195F
This 2020 GMC SIERRA 3500 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 3500 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 #PIT5743
This 2020 GMC SIERRA 3500 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 #N192279900
This 2020 GMC SIERRA 3500 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 3500 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 #PIE0560A
This 2020 GMC SIERRA 3500 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 3500 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 #20NA020
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 #20NA096
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 3500 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 3500 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 3500 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 3500 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 #20NA083
This 2020 GMC SIERRA 3500 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 3500 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 3500 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 3500 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 #050310020G
This 2020 GMC SIERRA 3500 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.






































