Please note: The TSB information displayed below are summaries. We do not have access to the full versions. To get full information about a particular TSB, write down the TSB title & date, & either contact your local dealer or click on the links below.

The TSB numbers are the NHTSA numbers, which are different from the manufacturer-assigned TSB numbers — the NHTSA doesn't keep track of those. It's a very screwed up situation that's almost completely unhelpful to you as the consumer. Use the issue date or the title when asking your dealer for more information about a TSB.

    STEERING

    • TSB #N192279900

      NHTSA ID #10169636

      • Date Announced: NOVEMBER 01 2019
      • Additional Info: How to Fix

      Summary: 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

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    • TSB #19NA240

      NHTSA ID #10168200

      • Date Announced: OCTOBER 21 2019
      • Additional Info: How to Fix

      Summary: This technical bulletin provides repair information to correct a customer concern of steering wheel oscillation, vibration, shake 50-80 mph.

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    • TSB #130232001F

      NHTSA ID #10163270

      • Date Announced: JUNE 26 2019
      • Additional Info: How to Fix

      Summary: 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.

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    ENGINE (PWS)

    • TSB #17NA374

      NHTSA ID #10163222

      • Date Announced: JUNE 27 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin advises the technician of how the Soot information has changed from grams to percentage.

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    • TSB #18NA150

      NHTSA ID #10163227

      • Date Announced: JUNE 24 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin provides information on 6.6L Duramax Possible Oil Leak Path Information.

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    ENGINE AND ENGINE COOLING

    • TSB #18NA361

      NHTSA ID #10168193

      • Date Announced: OCTOBER 14 2019
      • Additional Info: How to Fix

      Summary: 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.

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    • TSB #010601011K

      NHTSA ID #10168205

      • Date Announced: OCTOBER 09 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.

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    • TSB #16NA372

      NHTSA ID #10168177

      • Date Announced: OCTOBER 01 2019
      • Additional Info: How to Fix

      Summary: 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.

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    • TSB #PIP5656

      NHTSA ID #10162158

      • Date Announced: JUNE 26 2019
      • Additional Info: How to Fix

      Summary: 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.

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    • TSB #18NA098

      NHTSA ID #10163225

      • Date Announced: JUNE 24 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin provides information for the technicians on where to look on the Duramax engine for coolant leaks.

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    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #100605002H

      NHTSA ID #10168209

      • Date Announced: OCTOBER 14 2019
      • Additional Info: How to Fix

      Summary: 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.

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    FUEL SYSTEM, GASOLINE

    • TSB #050604022Q

      NHTSA ID #10163261

      • Date Announced: JUNE 26 2019
      • Additional Info: How to Fix

      Summary: 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.

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    FUEL SYSTEM, DIESEL

    • TSB #050604022Q

      NHTSA ID #10163261

      • Date Announced: JUNE 26 2019
      • Additional Info: How to Fix

      Summary: 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.

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    POWER TRAIN

    • TSB #990420002K

      NHTSA ID #10168212

      • Date Announced: OCTOBER 29 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin provides information on Driveline Clunk Noise and what is acceptable and what is considered normal operations.

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    • TSB #N192265570

      NHTSA ID #10164110

      • Date Announced: JUNE 28 2019
      • Additional Info: How to Fix

      Summary: 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

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    • TSB #PIP5655

      NHTSA ID #10162119

      • Date Announced: JUNE 11 2019
      • Additional Info: How to Fix

      Summary: 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.

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    ELECTRICAL SYSTEM

    • TSB #19NA228

      NHTSA ID #10168235

      • Date Announced: OCTOBER 07 2019
      • Additional Info: How to Fix

      Summary: This technical provides a procedure to locate, disconnect and re-connect the TCM electrical connector if found the cause of the customers concerns.

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    • TSB #100845001G

      NHTSA ID #10163268

      • Date Announced: JUNE 26 2019
      • Additional Info: How to Fix

      Summary: This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

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    • TSB #060847001O

      NHTSA ID #10163263

      • Date Announced: JUNE 11 2019
      • Additional Info: How to Fix

      Summary: This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.

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    ELECTRICAL SYSTEM: SOFTWARE

    • TSB #N192279900

      NHTSA ID #10169636

      • Date Announced: NOVEMBER 01 2019
      • Additional Info: How to Fix

      Summary: 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

      More Information »

    WHEELS

    • TSB #19NA074

      NHTSA ID #10163214

      • Date Announced: JUNE 17 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin provides information to clarify installation requirements when installing Accessory wheels on 2020 Chevrolet Silverado HD and 2020 GMC Sierra HD.

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    TRAILER HITCHES

    • TSB #17NA350

      NHTSA ID #10163886

      • Date Announced: JULY 08 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin provides explanation of a normal condition of a loose fitting ball receiver in the gooseneck.

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    EQUIPMENT

    • TSB #120851002K

      NHTSA ID #10168210

      • Date Announced: OCTOBER 30 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin provides technicians and dealership personnel with spray-in bed liner general information and repair procedures.

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    • TSB #PIT5702

      NHTSA ID #10164750

      • Date Announced: AUGUST 07 2019
      • Additional Info: How to Fix

      Summary: 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

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    • TSB #990089019R

      NHTSA ID #10163900

      • Date Announced: JULY 26 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin provides process information for the (GWM) and (WPC) parts return program.

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    • TSB #N192265570

      NHTSA ID #10164110

      • Date Announced: JUNE 28 2019
      • Additional Info: How to Fix

      Summary: 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

      More Information »

    • TSB #1308116001E

      NHTSA ID #10163272

      • Date Announced: JUNE 26 2019
      • Additional Info: How to Fix

      Summary: 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.

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    • TSB #000601012J

      NHTSA ID #10163260

      • Date Announced: JUNE 25 2019
      • Additional Info: How to Fix

      Summary: 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.

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    • TSB #19NA091

      NHTSA ID #10163236

      • Date Announced: JUNE 10 2019
      • Additional Info: How to Fix

      Summary: 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.

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    EQUIPMENT:ELECTRICAL

    • TSB #18NA279

      NHTSA ID #10168186

      • Date Announced: OCTOBER 10 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin provides information for dealers/technicians on the process to disable and enable passive unlocking.

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    EQUIPMENT:AIR CONDITIONER

    • TSB #19NA231

      NHTSA ID #10168237

      • Date Announced: OCTOBER 16 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin informs the technician of a possible low A/C charge in a low milage vehicle from the factory.

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    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #100089006G

      NHTSA ID #10168207

      • Date Announced: OCTOBER 16 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin provides information for dealers how to submit a product information report (PIR) (Canada Only).

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    • TSB #19NA232

      NHTSA ID #10168238

      • Date Announced: OCTOBER 14 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin provides tips for showing a way to confirm if its a mechanical engine issue or not.

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    • TSB #100089009C

      NHTSA ID #10168208

      • Date Announced: OCTOBER 09 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin provides information on key code security and information on GM key code look up applications.

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    • TSB #18NA306

      NHTSA ID #10168188

      • Date Announced: OCTOBER 02 2019
      • Additional Info: How to Fix

      Summary: This Warranty Administration bulletin provides information for dealers/Service advisors on when and how to submit a Pre-Repair Authorization (PRA) (US dealers only).

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    • TSB #010089010N

      NHTSA ID #10168204

      • Date Announced: OCTOBER 02 2019
      • Additional Info: How to Fix

      Summary: This informational bulletin provides information on comebacks prevention information and using customer concern verification sheets (CCVS).

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    • TSB #060847001O

      NHTSA ID #10163263

      • Date Announced: JUNE 11 2019
      • Additional Info: How to Fix

      Summary: This bulletin explains the labor operation numbers used for submitting warranty claims for module reprogramming and not when replacing a module.

      More Information »

    EQUIPMENT ADAPTIVE

    • TSB #PIT5702

      NHTSA ID #10164750

      • Date Announced: AUGUST 07 2019
      • Additional Info: How to Fix

      Summary: 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

      More Information »

    • TSB #N192265570

      NHTSA ID #10164110

      • Date Announced: JUNE 28 2019
      • Additional Info: How to Fix

      Summary: 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

      More Information »

    • TSB #100845001G

      NHTSA ID #10163268

      • Date Announced: JUNE 26 2019
      • Additional Info: How to Fix

      Summary: This bulletin provides information for electrical ground repairs using new General Motors replacement fasteners with conductive finish.

      More Information »

    • TSB #1308116001E

      NHTSA ID #10163272

      • Date Announced: JUNE 26 2019
      • Additional Info: How to Fix

      Summary: 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.

      More Information »

    • TSB #000601012J

      NHTSA ID #10163260

      • Date Announced: JUNE 25 2019
      • Additional Info: How to Fix

      Summary: 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.

      More Information »