Free California Lemon Law Case Review - Call Now 1-888-395-3666
California Lemon Law
Se Habla Español

1-888-395-3666

2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin - California Lemon Law CHEVROLET SILVERADO 4500HD Problems

California Lemon Law >> Technical Service Bulletin >> CHEVROLET >> SILVERADO 4500HD

Technical Service Bulletins For 2020 CHEVROLET SILVERADO 4500HD

Here are the technical service bulletins we have for the 2020 CHEVROLET SILVERADO 4500HD. If you have any questions, do not hesitate to Contact Us:




Technical Service Bulletins

Technical Service Bulletin #16NA274

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT

NHTSA #10154637

Date Of Bulletin

20190228

Failing Component Name

350000 EQUIPMENT

Description

This Informational bulletin provides important instructions for contacting the Fleet Action Center for repair authorization prior to replacement of certain parts.


Technical Service Bulletin #1008110001H

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT

NHTSA #10160135

Date Of Bulletin

20190401

Failing Component Name

350000 EQUIPMENT

Description

This informational bulletin provides information on proper use of floor mats.


Technical Service Bulletin #080730035D

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 100000 POWER TRAIN

NHTSA #10161968

Date Of Bulletin

20190520

Failing Component Name

100000 POWER TRAIN

Description

This bulletin provides information on the harmful effects of water or ethylene glycol in transmission fluid.


Technical Service Bulletin #060089029O

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE

NHTSA #10158859

Date Of Bulletin

20190325

Failing Component Name

356000 EQUIPMENT ADAPTIVE

Description

This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.


Technical Service Bulletin #060089029O

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA #10158859

Date Of Bulletin

20190325

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 #060089029O

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT

NHTSA #10158859

Date Of Bulletin

20190325

Failing Component Name

350000 EQUIPMENT

Description

This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.


Technical Service Bulletin #030089006Q

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA #10158855

Date Of Bulletin

20190325

Failing Component Name

355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

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 #090089002Q

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE

NHTSA #10158862

Date Of Bulletin

20190314

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 #090089002Q

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

NHTSA #10158862

Date Of Bulletin

20190314

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 #090089002Q

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT

NHTSA #10158862

Date Of Bulletin

20190314

Failing Component Name

350000 EQUIPMENT

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 #090089002Q

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM

NHTSA #10158862

Date Of Bulletin

20190314

Failing Component Name

110000 ELECTRICAL SYSTEM

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 #16NA331

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 190000 TIRES

NHTSA #10161930

Date Of Bulletin

20190507

Failing Component Name

190000 TIRES

Description

This warranty administration bulletin provides the information on General Motors Tire Warranty Policies and Procedures for Low Cab Forward Medium Duty Trucks (US Medium Duty Dealers Only).


Technical Service Bulletin #050604022Q

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #060847001O

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #18NA103

This 2020 CHEVROLET SILVERADO 4500HD 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 #000601012J

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #990089019R

This 2020 CHEVROLET SILVERADO 4500HD 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 #18NA146

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #PIP4670H

This 2020 CHEVROLET SILVERADO 4500HD 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 #18NA361

This 2020 CHEVROLET SILVERADO 4500HD 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 #N192265570

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #19NA187

This 2020 CHEVROLET SILVERADO 4500HD 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 #030603004Y

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 111000 ELECTRICAL SYSTEM:BATTERY

NHTSA #10160132

Date Of Bulletin

20190401

Failing Component Name

111000 ELECTRICAL SYSTEM:BATTERY

Description

This warranty administration bulletin provides policy information on the requirements for battery testing and warranty replacements.


Technical Service Bulletin #16NA109

This 2020 CHEVROLET SILVERADO 4500HD 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 #16NA380

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #19NA104

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #16NA361

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 100000 POWER TRAIN

NHTSA #10168176

Date Of Bulletin

20191008

Failing Component Name

100000 POWER TRAIN

Description

This informational bulletin explains possible normal condition of a flare from 1st to 2nd, even if the trans had been repaired for the flare and its still noticed.


Technical Service Bulletin #18NA361

This 2020 CHEVROLET SILVERADO 4500HD 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 #19NA237

This 2020 CHEVROLET SILVERADO 4500HD 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 #20NA016

This 2020 CHEVROLET SILVERADO 4500HD 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 #010089010N

This 2020 CHEVROLET SILVERADO 4500HD 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 #050307009I

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #120851002K

This 2020 CHEVROLET SILVERADO 4500HD 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 #PIP5655A

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #990420002K

This 2020 CHEVROLET SILVERADO 4500HD 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 #PIT5288H

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM

NHTSA #10167462

Date Of Bulletin

20191025

Failing Component Name

110000 ELECTRICAL SYSTEM

Description

This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on driver information cent


Technical Service Bulletin #N192266750

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #100089006G

This 2020 CHEVROLET SILVERADO 4500HD 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 #PIT5731A

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 010000 STEERING

NHTSA #10172301

Date Of Bulletin

20200203

Failing Component Name

010000 STEERING

Description

This Preliminary information communicates The vehicle may have a concern of not turning as sharp one way or the other and/or the turning radius is not the same in either direction. The steering will not go stop to stop due to the steering l


Technical Service Bulletin #18NA306

This 2020 CHEVROLET SILVERADO 4500HD 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 #030604017N

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL

NHTSA #10166665

Date Of Bulletin

20190930

Failing Component Name

080000 FUEL SYSTEM, DIESEL

Description

This Informational Bulletin provides information on availability of Diesel Fuel additives.


Technical Service Bulletin #18NA279

This 2020 CHEVROLET SILVERADO 4500HD 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 #N192266750-02

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 280000 BACK OVER PREVENTION

NHTSA #10172664

Date Of Bulletin

20200214

Failing Component Name

280000 BACK OVER PREVENTION

Description

Service Update - On 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 diesel exhaust fluid (DE


Technical Service Bulletin #N192266750-02

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM

NHTSA #10172664

Date Of Bulletin

20200214

Failing Component Name

110000 ELECTRICAL SYSTEM

Description

Service Update - On 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 diesel exhaust fluid (DE


Technical Service Bulletin #N192266750-02

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 080000 FUEL SYSTEM, DIESEL

NHTSA #10172664

Date Of Bulletin

20200214

Failing Component Name

080000 FUEL SYSTEM, DIESEL

Description

Service Update - On 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 diesel exhaust fluid (DE


Technical Service Bulletin #N192266750-02

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 070000 FUEL SYSTEM, GASOLINE

NHTSA #10172664

Date Of Bulletin

20200214

Failing Component Name

070000 FUEL SYSTEM, GASOLINE

Description

Service Update - On 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 diesel exhaust fluid (DE


Technical Service Bulletin #N192285430

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM

NHTSA #10172665

Date Of Bulletin

20200214

Failing Component Name

110000 ELECTRICAL SYSTEM

Description

Service Update - Certain vehicles may have an SES light, the fuel gauge unexpectedly reading empty, and/or the low fuel message falsely illuminate due to an error in the engine control module (ECM) calibration (DTC P0461). Dealers are to re


Technical Service Bulletin #N192285430

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE AND ENGINE COOLING

NHTSA #10172665

Date Of Bulletin

20200214

Failing Component Name

060000 ENGINE AND ENGINE COOLING

Description

Service Update - Certain vehicles may have an SES light, the fuel gauge unexpectedly reading empty, and/or the low fuel message falsely illuminate due to an error in the engine control module (ECM) calibration (DTC P0461). Dealers are to re


Technical Service Bulletin #19NA231

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #16NA119

This 2020 CHEVROLET SILVERADO 4500HD 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 #18NA073

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #DOR-D8C4T-03

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #040601029J

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #15NA010

This 2020 CHEVROLET SILVERADO 4500HD 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 #050307009J

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #150089005C

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #16NA383

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #040089015U

This 2020 CHEVROLET SILVERADO 4500HD 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 #18NA306

This 2020 CHEVROLET SILVERADO 4500HD 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 #19NA270

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #010842001M

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #100089009D

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #PIT5731

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 010000 STEERING

NHTSA #10171320

Date Of Bulletin

20200131

Failing Component Name

010000 STEERING

Description

This Preliminary information communicates The vehicle may have a concern of not turning as sharp one way or the other and/or the turning radius is not the same in either direction. The steering will not go stop to stop due to the steering l


Technical Service Bulletin #080089014F

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #PI0281H

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #PIP5719A

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #PIP5719B

This 2020 CHEVROLET SILVERADO 4500HD 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 #N202299520

This 2020 CHEVROLET SILVERADO 4500HD 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 #16NA383

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 060000 ENGINE (PWS)

NHTSA #10176607

Date Of Bulletin

20200508

Failing Component Name

060000 ENGINE (PWS)

Description

This technical 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 shou


Technical Service Bulletin #16NA383

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE

NHTSA #10176607

Date Of Bulletin

20200508

Failing Component Name

356000 EQUIPMENT ADAPTIVE

Description

This technical 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 shou


Technical Service Bulletin #16NA383

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

NHTSA #10176607

Date Of Bulletin

20200508

Failing Component Name

073000 FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

Description

This technical 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 shou


Technical Service Bulletin #060089029R

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #060089029S

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #N192273400

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #N192269370

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE

NHTSA #10169645

Date Of Bulletin

20191115

Failing Component Name

356000 EQUIPMENT ADAPTIVE

Description

N102269370 - Customer Satisfaction Program. Certain vehicles, may have a winter grille cover that does not have a hole for the front camera. Without the hole for the front camera, Surround or 360-degree View, is compromised when a front vie


Technical Service Bulletin #N192269370

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT

NHTSA #10169645

Date Of Bulletin

20191115

Failing Component Name

350000 EQUIPMENT

Description

N102269370 - Customer Satisfaction Program. Certain vehicles, may have a winter grille cover that does not have a hole for the front camera. Without the hole for the front camera, Surround or 360-degree View, is compromised when a front vie


Technical Service Bulletin #N192269370

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 161000 STRUCTURE:FRAME AND MEMBERS

NHTSA #10169645

Date Of Bulletin

20191115

Failing Component Name

161000 STRUCTURE:FRAME AND MEMBERS

Description

N102269370 - Customer Satisfaction Program. Certain vehicles, may have a winter grille cover that does not have a hole for the front camera. Without the hole for the front camera, Surround or 360-degree View, is compromised when a front vie


Technical Service Bulletin #N192269370 Notic

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE

NHTSA #10169657

Date Of Bulletin

20191115

Failing Component Name

356000 EQUIPMENT ADAPTIVE

Description

N102269370 - Customer Satisfaction Program (Notice of Disclosure Message Only). Certain vehicles, may have a winter grille cover that does not have a hole for the front camera. Without the hole for the front camera, Surround or 360-degree V


Technical Service Bulletin #N192269370 Notic

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT

NHTSA #10169657

Date Of Bulletin

20191115

Failing Component Name

350000 EQUIPMENT

Description

N102269370 - Customer Satisfaction Program (Notice of Disclosure Message Only). Certain vehicles, may have a winter grille cover that does not have a hole for the front camera. Without the hole for the front camera, Surround or 360-degree V


Technical Service Bulletin #PIT5686A

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 284000 BACK OVER PREVENTION: CAMERA SYSTEM

NHTSA #10176331

Date Of Bulletin

20200526

Failing Component Name

284000 BACK OVER PREVENTION: CAMERA SYSTEM

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 #PIP5728A

This 2020 CHEVROLET SILVERADO 4500HD 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 #060089029T

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #PIT5586D

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 110000 ELECTRICAL SYSTEM

NHTSA #10173683

Date Of Bulletin

20200311

Failing Component Name

110000 ELECTRICAL SYSTEM

Description

This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering Wheel Controls (SWC) not


Technical Service Bulletin #030089006R

This 2020 CHEVROLET SILVERADO 4500HD 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 #PIP5729

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #N202299641

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

NHTSA #10174812

Date Of Bulletin

20200407

Failing Component Name

063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

Description

Emission Recall - Exceeds NOx Standard In Emissions Testing - General Motors has decided to conduct a voluntary emissions recall involving certain 2019-2020 Chevrolet Silverado 4500HD/5500HD/6500HD vehicles equipped with a 6.6L diesel engin


Technical Service Bulletin #20NA090

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #20NA098

This 2020 CHEVROLET SILVERADO 4500HD 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 #20NA058

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 353000 EQUIPMENT:ELECTRICAL

NHTSA #10174080

Date Of Bulletin

20200306

Failing Component Name

353000 EQUIPMENT:ELECTRICAL

Description

This informational bulletin provides information for dealers/technicians on Silverado 4500HD/5500HD/6500HD RPO 5H1 - 2 Spare keys.


Technical Service Bulletin #060089029P

This 2020 CHEVROLET SILVERADO 4500HD 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 #070089037O

This 2020 CHEVROLET SILVERADO 4500HD 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 #20NA082

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 #050310020G

This 2020 CHEVROLET SILVERADO 4500HD 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 #060089029Q

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 356000 EQUIPMENT ADAPTIVE

NHTSA #10175852

Date Of Bulletin

20200403

Failing Component Name

356000 EQUIPMENT ADAPTIVE

Description

This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.


Technical Service Bulletin #060089029Q

This 2020 CHEVROLET SILVERADO 4500HD Technical Service Bulletin affects the 350000 EQUIPMENT

NHTSA #10175852

Date Of Bulletin

20200403

Failing Component Name

350000 EQUIPMENT

Description

This informational bulletin provides information on interior cleaning products and what is offered to clean the interiors of GM vehicles.


Technical Service Bulletin #100089005I

This 2020 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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 CHEVROLET SILVERADO 4500HD 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.


Technical Service Bulletin #990089019S

This 2020 CHEVROLET SILVERADO 4500HD 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.


End Your Frustration, all of the attorney fees are paid for by the manufacturer.

We will evaluate your case for free, tell you how much you may be entitled to get back.

Fill out our form OR Call 1-888-395-3666