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

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    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

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    SUSPENSION

    • TSB #PIT5506B

      NHTSA ID #10141369

      • Date Announced: MAY 22 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication advises the technician this vibration or growl noise can be difficult to diagnose and using the Pico Scope is recommended for diagnosing this concern. Customers has vibration or growl noise between

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    ENGINE (PWS)

    • 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.

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    • TSB #PIT5586B

      NHTSA ID #10144472

      • Date Announced: AUGUST 27 2018
      • Additional Info: How to Fix

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

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    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.

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    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

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    ELECTRICAL SYSTEM

    • 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

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    • 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

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    • 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

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    • TSB #PIT5232E

      NHTSA ID #10143456

      • Date Announced: JUNE 26 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. The outside temperature

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    • TSB #PIE0462

      NHTSA ID #10137613

      • Date Announced: APRIL 25 2018
      • Additional Info: How to Fix

      Summary: This engineering informational bulletin is requesting information from the filed on vehicles that have the condition of Trailer Electrical Not Working as Intended and/or Trailer Message Displayed.

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    STRUCTURE

    • 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

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    • 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

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    WHEELS

    • TSB #PIT4745E

      NHTSA ID #10143789

      • Date Announced: JULY 31 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that have raised dents or ripple appearance in the side outer panel of the cargo box around the perimeter of the wheel house opening. Technicia

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    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

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    TRAILER HITCHES:FIFTH WHEEL ASSEMBLY

    • TSB #PIT5432B

      NHTSA ID #10141368

      • Date Announced: MAY 22 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Shudder, bounce, bucking from the rear of the truck while braking when towing a gooseneck or fifth wheel trailer. Technician will n

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    SEATS

    • TSB #PIT5624

      NHTSA ID #10143777

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

      Summary: This Preliminary information communicates a diagnostic tip for an issues with the heated and/or vented seats turning off and setting DTCU1524 because of a loss of voltage to the Seat Heating Control Module.

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    EQUIPMENT

    • 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.

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    • 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

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    • TSB #PIT5586B

      NHTSA ID #10144472

      • Date Announced: AUGUST 27 2018
      • Additional Info: How to Fix

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

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    • TSB #PIT5232E

      NHTSA ID #10143456

      • Date Announced: JUNE 26 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician the steps to diagnose and repair the concern of the display is showing 32° F (0° C) after a battery or reprogramming a module. The outside temperature

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    • TSB #PIT5432B

      NHTSA ID #10141368

      • Date Announced: MAY 22 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that have a Shudder, bounce, bucking from the rear of the truck while braking when towing a gooseneck or fifth wheel trailer. Technician will n

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    EQUIPMENT:ELECTRICAL

    • 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

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    • TSB #PIE0462

      NHTSA ID #10137613

      • Date Announced: APRIL 25 2018
      • Additional Info: How to Fix

      Summary: This engineering informational bulletin is requesting information from the filed on vehicles that have the condition of Trailer Electrical Not Working as Intended and/or Trailer Message Displayed.

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    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

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    • TSB #PIT5387F

      NHTSA ID #10143767

      • Date Announced: JULY 18 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe

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    EQUIPMENT:AIR CONDITIONER

    • TSB #PIT5387F

      NHTSA ID #10143767

      • Date Announced: JULY 18 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician how to repair vehicles that Instrument Panel Cluster, Radio, and Heater-Vent-Air Conditioning display blanks out, Bluetooth phone or Pandora connection droppe

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    EQUIPMENT ADAPTIVE

    • TSB #PIT5586B

      NHTSA ID #10144472

      • Date Announced: AUGUST 27 2018
      • Additional Info: How to Fix

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

      More Information »

    • TSB #PIE0462

      NHTSA ID #10137613

      • Date Announced: APRIL 25 2018
      • Additional Info: How to Fix

      Summary: This engineering informational bulletin is requesting information from the filed on vehicles that have the condition of Trailer Electrical Not Working as Intended and/or Trailer Message Displayed.

      More Information »