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 #PIT5544B

      NHTSA ID #10147373

      • Date Announced: OCTOBER 12 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates information on ahydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is m

      More Information »

    STEERING:GEAR BOX:SHAFT SECTOR

    • TSB #PIP5570A

      NHTSA ID #10147352

      • Date Announced: OCTOBER 04 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates to the dealer a conditionwhere a tick noise may be present inside a vehicle while driving. This may be the result of a deformed or improperly seated steering shaft seal allowing engine compartment

      More Information »

    STEERING:GEAR BOX:SHAFT PITMAN

    • TSB #PIP5570A

      NHTSA ID #10147352

      • Date Announced: OCTOBER 04 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates to the dealer a conditionwhere a tick noise may be present inside a vehicle while driving. This may be the result of a deformed or improperly seated steering shaft seal allowing engine compartment

      More Information »

    STEERING:ELECTRIC POWER ASSIST SYSTEM

    • TSB #PIT5544B

      NHTSA ID #10147373

      • Date Announced: OCTOBER 12 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates information on ahydrauilc rush type noise from the power steering gear. This noise is a characteristic of the new Active Hydraulic Assist System RPO NV8 and no repairs should be made. The noise is m

      More Information »

    SUSPENSION

    • TSB #PIT5403E

      NHTSA ID #10145486

      • Date Announced: SEPTEMBER 14 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician with the steps to diagnosis and repair vehicles with various handling, vehicle dynamics concerns, noises from the suspension or underbody, or issues related t

      More Information »

    SUSPENSION:FRONT

    • TSB #PIP5579

      NHTSA ID #10144450

      • Date Announced: AUGUST 08 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates that the front and rear axle assemblies are restricted from dealer ordering or replacing to assist engineering in identifying any issues.

      More Information »

    SUSPENSION:REAR

    • TSB #PIP5579

      NHTSA ID #10144450

      • Date Announced: AUGUST 08 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates that the front and rear axle assemblies are restricted from dealer ordering or replacing to assist engineering in identifying any issues.

      More Information »

    SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY

    • TSB #PIP5579

      NHTSA ID #10144450

      • Date Announced: AUGUST 08 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates that the front and rear axle assemblies are restricted from dealer ordering or replacing to assist engineering in identifying any issues.

      More Information »

    BRAKES (PWS)

    • TSB #PIT5638

      NHTSA ID #10149056

      • Date Announced: OCTOBER 29 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates an issues with a Service Brake Assist Message With DTC C053D or C058E and that engineering is working on updated software to correct this issue. 

      More Information »

    • TSB #PIT5392C

      NHTSA ID #10147392

      • Date Announced: OCTOBER 19 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that have a detent / click with a feel of increased resistance when the accelerator pedal is about ¾ of the way. The new accelerator ped

      More Information »

    • TSB #PIT5634

      NHTSA ID #10147341

      • Date Announced: OCTOBER 01 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates and issue with acustomer concern of a SES MIL, Reduced Engine Power, Service Brake System, and/orSpeed Limited message,a lack of brake assist making the brake pedal hard andDTCP0606. These issues ca

      More Information »

    • TSB #PIT5361D

      NHTSA ID #10145479

      • Date Announced: SEPTEMBER 13 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician on the steps to diagnose and repair vehicles that may have issues were the customer will need increased effort to depress the brake pedal. Technician may find

      More Information »

    ENGINE (PWS)

    • TSB #PIP5606

      NHTSA ID #10149064

      • Date Announced: OCTOBER 30 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates A vehicle may have a tick noise from the engine cold, initial start in the morning. A lifter may not have sufficient amount of oil during cold start operation (not pumped up).  As information comes

      More Information »

    • TSB #PIP5607

      NHTSA ID #10149066

      • Date Announced: OCTOBER 30 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates that GM engineering is investigating the root cause of DTCs P24B3 and / or P24B5 setting.

      More Information »

    • TSB #PIP5159C

      NHTSA ID #10149051

      • Date Announced: OCTOBER 29 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on and Diagnostic Trouble Code P0300 - P0308  may set. Technician will inspect f

      More Information »

    • TSB #PIP5468F

      NHTSA ID #10144452

      • Date Announced: AUGUST 08 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Codes P0101, P0299, P0712, P11CC, P11DC, P2002, P2463, P2627, P2A00,

      More Information »

    ENGINE AND ENGINE COOLING

    • TSB #PIP5594

      NHTSA ID #10147379

      • Date Announced: OCTOBER 12 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates to the dealer technician that there may be a possibleMis-build of the Diesel Exhaust Fluid (DEF) Injector if it was built before provided break point.

      More Information »

    • TSB #PIP5600

      NHTSA ID #10147378

      • Date Announced: OCTOBER 12 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicatesA vehicle may come in with a DTC P0011 set,A sticking oil control solenoid for the cam actuator.Since the L84/L87 is on exchange,(PIP5567)engineeringhas decided that we will authorize the replacement

      More Information »

    • TSB #PIP5587

      NHTSA ID #10145477

      • Date Announced: SEPTEMBER 12 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates A vehicle may come into the dealer with a lean running concern and/or air leak noise from the PCV.The air rush or whistlingnoise is caused by the fixed orifice PCV.There is not a correction for this

      More Information »

    • TSB #PIP5584

      NHTSA ID #10145466

      • Date Announced: SEPTEMBER 06 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicatesThe vehicle may come into a dealer with a check engine lamp with any of the followingDTC P3498 Cylinder 1 Deactivation Performance DTC P3499 Cylinder 2 Deactivation Performance DTC&thin

      More Information »

    • TSB #PIP5468F

      NHTSA ID #10144452

      • Date Announced: AUGUST 08 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Codes P0101, P0299, P0712, P11CC, P11DC, P2002, P2463, P2627, P2A00,

      More Information »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #PIP5468F

      NHTSA ID #10144452

      • Date Announced: AUGUST 08 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Codes P0101, P0299, P0712, P11CC, P11DC, P2002, P2463, P2627, P2A00,

      More Information »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #PIP5370D

      NHTSA ID #10144449

      • Date Announced: AUGUST 08 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician that some vehicle may have an “Exhaust Fluid Quality Poor” on the Driver Information Center or a diesel exhaust fluid warning lamp on or other exh

      More Information »

    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE

    • TSB #PIT5636

      NHTSA ID #10147375

      • Date Announced: OCTOBER 12 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates an issues with a SES MIL and DTC P1005. GM Engineering is working to root cause this issue.

      More Information »

    POWER TRAIN

    • TSB #PIP4379N

      NHTSA ID #10145478

      • Date Announced: SEPTEMBER 12 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that have not engagement into drive, delayed, no engagement into reverse, and or a range inhibit. Technician may find Diagnostic Trouble Codes

      More Information »

    • TSB #PIP5575

      NHTSA ID #10144448

      • Date Announced: AUGUST 06 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates to the dealer technician that the transmission control module P/N24289415 is on restriction through the PQC.

      More Information »

    ELECTRICAL SYSTEM

    • TSB #PIT5630A

      NHTSA ID #10149061

      • Date Announced: OCTOBER 30 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates the possible setting of B101D-39 in the OnStar module and advises of byte info to retrieve while  engineering completes further investigation. 

      More Information »

    • TSB #PIP5159C

      NHTSA ID #10149051

      • Date Announced: OCTOBER 29 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on and Diagnostic Trouble Code P0300 - P0308  may set. Technician will inspect f

      More Information »

    • TSB #PIT5359C

      NHTSA ID #10147374

      • Date Announced: OCTOBER 12 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a radio backlighting will stay on even after the ignition has been turned off and the key has been removed for several minutes, e

      More Information »

    • TSB #PIP5491A

      NHTSA ID #10147362

      • Date Announced: OCTOBER 09 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates to the technician when diagnosing intermittent circuit concerns to look at the connector for missing weather pack seals that could allow water intrusion into the connector and lead to corrosion on t

      More Information »

    • TSB #PIT5631

      NHTSA ID #10145487

      • Date Announced: SEPTEMBER 14 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicateanissuewith theVideo Processing Control Module setting a false DTC U0020 and advises dealership to ignore it.

      More Information »

    • TSB #PIP5585

      NHTSA ID #10145480

      • Date Announced: SEPTEMBER 13 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates As part of our ongoing quality improvement efforts the Engine Control Module (ECM) E90 part numbers 12690383will be placed on a parts restriction through the Product Quality Center (PQC)This parts r

      More Information »

    • TSB #PIT5630

      NHTSA ID #10145467

      • Date Announced: SEPTEMBER 06 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates the possible setting of B101D-39 in the OnStar module and advises of byte info to retrieve and of engineering investigation.

      More Information »

    • TSB #PIT5386D

      NHTSA ID #10144462

      • Date Announced: AUGUST 20 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the

      More Information »

    • TSB #PIP5575

      NHTSA ID #10144448

      • Date Announced: AUGUST 06 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates to the dealer technician that the transmission control module P/N24289415 is on restriction through the PQC.

      More Information »

    DIGITAL INSTRUMENT PANEL

    • TSB #PIT5438E

      NHTSA ID #10149053

      • Date Announced: OCTOBER 29 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicles that have a click, rattle or a squeak nose coming from the dash. Technician will use Service Information to locate the

      More Information »

    VISIBILITY

    • TSB #PIT5633A

      NHTSA ID #10147400

      • Date Announced: OCTOBER 23 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates an issue with the power folding outside mirrors not stopping at the correct location when the mirror is power folded. Repair is to perform a mirror reset.Engineering is working on an updated mirror

      More Information »

    STRUCTURE

    • TSB #PIP5579A

      NHTSA ID #10149050

      • Date Announced: OCTOBER 29 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates that the front and rear axle assemblies are restricted from dealer ordering or replacing to assist engineering in identifying any issues. 

      More Information »

    • TSB #PIP5491A

      NHTSA ID #10147362

      • Date Announced: OCTOBER 09 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates to the technician when diagnosing intermittent circuit concerns to look at the connector for missing weather pack seals that could allow water intrusion into the connector and lead to corrosion on t

      More Information »

    • TSB #PIT5576B

      NHTSA ID #10145483

      • Date Announced: SEPTEMBER 14 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates and issue with the hood ajar message being displayed when the hood is not ajar. Inspect the body ground strap to insure it is connected in the proper locations and the strap eyelets are tight and do

      More Information »

    STRUCTURE:BODY:BUMPERS

    • TSB #18295

      NHTSA ID #10147334

      • Date Announced: SEPTEMBER 20 2018
      • Additional Info: How to Fix

      Summary: 18295 - Customer Satisfaction Program - Certain vehicles may have been built with an incorrect rear bumper. These vehicles will have the rear park assist sensors installed, but do not have the park assist option, so the sensors will not be

      More Information »

    STRUCTURE:BODY:DOOR

    • TSB #PIT5629

      NHTSA ID #10144482

      • Date Announced: AUGUST 30 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates steps to enable passive door unlocking.

      More Information »

    LATCHES/LOCKS/LINKAGES:DOORS:LATCH

    • TSB #PIT5629

      NHTSA ID #10144482

      • Date Announced: AUGUST 30 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates steps to enable passive door unlocking.

      More Information »

    TRAILER HITCHES

    • TSB #PIT5241F

      NHTSA ID #10145469

      • Date Announced: SEPTEMBER 10 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about customers that may request the factory Integrated Trailer Brake Controller Regular Production Option Code (JL1) be installed on their Full-Size Pickup o

      More Information »

    ELECTRONIC STABILITY CONTROL

    • TSB #PIT4322J

      NHTSA ID #10145500

      • Date Announced: SEPTEMBER 19 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that have an unwanted Stability Activation and/or a Service Stability message on the Driver Information Center. Technician may find a Diagnosti

      More Information »

    BACK OVER PREVENTION

    • TSB #18295

      NHTSA ID #10147334

      • Date Announced: SEPTEMBER 20 2018
      • Additional Info: How to Fix

      Summary: 18295 - Customer Satisfaction Program - Certain vehicles may have been built with an incorrect rear bumper. These vehicles will have the rear park assist sensors installed, but do not have the park assist option, so the sensors will not be

      More Information »

    BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

    • TSB #18295

      NHTSA ID #10147334

      • Date Announced: SEPTEMBER 20 2018
      • Additional Info: How to Fix

      Summary: 18295 - Customer Satisfaction Program - Certain vehicles may have been built with an incorrect rear bumper. These vehicles will have the rear park assist sensors installed, but do not have the park assist option, so the sensors will not be

      More Information »

    EQUIPMENT

    • TSB #PIT5630A

      NHTSA ID #10149061

      • Date Announced: OCTOBER 30 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates the possible setting of B101D-39 in the OnStar module and advises of byte info to retrieve while  engineering completes further investigation. 

      More Information »

    • TSB #PIT5637

      NHTSA ID #10147391

      • Date Announced: OCTOBER 19 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates normal radio display operation when shifting into reverse. Per FMVSS 111 an image must be displayed when shifted into reverse even when a vehicle is not equipped with a backup camera.

      More Information »

    • TSB #PIT5298C

      NHTSA ID #10147377

      • Date Announced: OCTOBER 12 2018
      • 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 #PIP5489C

      NHTSA ID #10144469

      • Date Announced: AUGUST 23 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates to dealer technicians that snow and ice build up is possible if the air filter box is not properly sealed. Aftermarket bumpers may also allow water intrusion.

      More Information »

    EQUIPMENT:ELECTRICAL

    • TSB #PIT5630A

      NHTSA ID #10149061

      • Date Announced: OCTOBER 30 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates the possible setting of B101D-39 in the OnStar module and advises of byte info to retrieve while  engineering completes further investigation. 

      More Information »

    • TSB #PIT5386D

      NHTSA ID #10144462

      • Date Announced: AUGUST 20 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that are found to have a back-up alarm inoperative during the Pre-Delivery Inspection. On trucks equipped with the Back Up Alarm (RPO 8S3), the

      More Information »

    EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

    • TSB #PIT5359C

      NHTSA ID #10147374

      • Date Announced: OCTOBER 12 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a radio backlighting will stay on even after the ignition has been turned off and the key has been removed for several minutes, e

      More Information »

    EQUIPMENT ADAPTIVE

    • TSB #PIP5489C

      NHTSA ID #10144469

      • Date Announced: AUGUST 23 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates to dealer technicians that snow and ice build up is possible if the air filter box is not properly sealed. Aftermarket bumpers may also allow water intrusion.

      More Information »