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.

    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

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    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. 

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    • 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

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    • 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

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    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

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    • 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

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    • 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,

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    • TSB #PIP5567

      NHTSA ID #10143761

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

      Summary: This Preliminary information communicates L84 and L86 engine are on the exchange program.

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    ENGINE AND ENGINE COOLING

    • 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

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    • 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

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    • 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

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    • 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,

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    • TSB #PIP5487B

      NHTSA ID #10143780

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

      Summary: This Preliminary Information communication advises the technician on the steps to diagnosing the concern and the repair. Customer has Warning Lamps and/Or coolant leaks present.

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    • TSB #PIP5151E

      NHTSA ID #10143447

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

      Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and

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    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,

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    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

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    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.

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    FUEL SYSTEM, GASOLINE

    • TSB #PIP5151F

      NHTSA ID #10143785

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

      Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and

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    • TSB #PIP5151E

      NHTSA ID #10143447

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

      Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a hard start, no start, rough running, or low fuel pressure. Technician may find Diagnostic Trouble Codes P0087, P0088, P0191 and

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    POWER TRAIN

    • TSB #PIP5477G

      NHTSA ID #10144466

      • Date Announced: AUGUST 21 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates to the dealer technician that the 10R90 and 10L80 transmissions havebeen place on a part restriction. Dealers are to contact theProduct Quality Center before replacing the transmission assembly.

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    • 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.

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    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #PIP3366C

      NHTSA ID #10143757

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

      Summary: This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmiss

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    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #PIP3366C

      NHTSA ID #10143757

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

      Summary: This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmiss

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    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. 

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    • 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

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    • 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.

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    • 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

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    • 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.

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    • 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.

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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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    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

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    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

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    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. 

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    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.

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    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.

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    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

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    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. 

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    • 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.

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    • TSB #PIP5580

      NHTSA ID #10144427

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

      Summary: This Preliminary information communicates the exchange program to assist engineering in identification of any early production issues.

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    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. 

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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 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.

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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.

      More Information »