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 #PIT5527B

      NHTSA ID #10154300

      • Date Announced: FEBRUARY 18 2019
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that show a "Take Steering" message on the Driver Information Center along with a warning chime/alert. Dealer should be advised the purpose of

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    • TSB #N182190821

      NHTSA ID #10154259

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

      Summary: N182190821 - Customer Satisfaction Program. Certain vehicles, may have a condition where the power steering belt may slip due to tooth wear-out or poor belt tooth-to-gear tooth fit. Power steering assist may be reduced or lost intermitten

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    • TSB #N182190820

      NHTSA ID #10154258

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

      Summary: N182190820 - Customer Satisfaction Program. Certain vehicles, may have a condition where the power steering belt may slip due to tooth wear-out or poor belt tooth-to-gear tooth fit. Power steering assist may be reduced or lost intermittent

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    • TSB #PIT5565B

      NHTSA ID #10154617

      • Date Announced: DECEMBER 28 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates a repair procedure for a squeak/squawk type noise coming from the lower column/drivers footwell area when turning.  It explains how to properly lubricate the column shaft boot where the shaft intera

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    • TSB #PIT5645A

      NHTSA ID #10154596

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

      Summary: This Preliminary information communicates and issue with a Service Power Steering Message DTC C144B or Clunk Noise At Full Steering Lock Turns AFTER Installation Of Accessory Lift Kit.  GM Engineering is working on updated calibrations for

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    • TSB #PIT5646

      NHTSA ID #10154590

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

      Summary: This Preliminary information communicates a color difference between the upper control arms due to a change in the casting release agent.

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    • TSB #PIP5570A

      NHTSA ID #10151863

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

      Summary: This Preliminary information communicates to the dealer a condition where 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

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    • 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: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

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    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

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    STEERING:ELECTRIC POWER ASSIST SYSTEM

    • TSB #PIT5645

      NHTSA ID #10154569

      • Date Announced: DECEMBER 07 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates and issue with a Service Power Steering Message DTC C144B or Clunk Noise At Full Steering Lock Turns AFTER Installation Of Accessory Lift Kit.  GM Engineering is working on updated calibrations for

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    • 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 #18309

      NHTSA ID #10150559

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

      Summary: 18309 - Customer Satisfaction Program. Certain 2019 model year Chevrolet Silverado and GMC Sierra vehicles may have a condition where the prop shaft bolts may not have been properly torqued to the front differential. Drivers will likely e

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    • 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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    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.

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    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.

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    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.

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    BRAKES (PWS)

    • TSB #PIT5638A

      NHTSA ID #10154610

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

      Summary: This Preliminary information communicates an issues with a Service Brake Assist Message With DTC C05B0 and/or C058E and that engineering released updated calibrations to correct the issue. 

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    • TSB #PIT5479B

      NHTSA ID #10154583

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

      Summary: This Preliminary Information communication provides information to the technician about fluid leaking from the brake caliper piston area found during a service of the vehicle. The substance is actually excess assembly grease from the calipe

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    • 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 #18319

      NHTSA ID #10150565

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

      Summary: 18319 - Service Update. Certain vehicles may have the cotter key clip retainer missing from the front brake pad guide pin. Inspect front calipers and install the cotter pin if necessary.

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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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    • 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

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    SERVICE BRAKES, HYDRAULIC

    • TSB #PIT5634

      NHTSA ID #10151841

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

      Summary: This Preliminary information communicates and issue with a customer concern of a SES MIL, Reduced Engine Power, Service Brake System, and/or Speed Limited message, a lack of brake assist making the brake pedal hard and DTC P0606.  These iss

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    ENGINE (PWS)

    • TSB #PIP5580A

      NHTSA ID #10151884

      • Date Announced: NOVEMBER 29 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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    • TSB #PIT5350B

      NHTSA ID #10151879

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

      Summary: This Preliminary Information communication advises the technician that there have been some reports that the current engine hours are not correct and display 0.0. Technician will need to program the Instrument Panel Cluster using Service Pr

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    • TSB #PIP5604

      NHTSA ID #10151871

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

      Summary: This Preliminary information communicates that 2.7L (RPO L3B)  engine are on the exchange program. 

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    • TSB #PIP5570A

      NHTSA ID #10151863

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

      Summary: This Preliminary information communicates to the dealer a condition where 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 »

    • TSB #PIP5606B

      NHTSA ID #10151840

      • Date Announced: NOVEMBER 14 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 #PIP5605

      NHTSA ID #10151819

      • Date Announced: NOVEMBER 05 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates There maybe a concern of a DIC message saying Air Filter Life 0% replace now.  The DIC message is triggered by a battery being disconnected and reconnected

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    • 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 #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 #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 #18309

      NHTSA ID #10150559

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

      Summary: 18309 - Customer Satisfaction Program. Certain 2019 model year Chevrolet Silverado and GMC Sierra vehicles may have a condition where the prop shaft bolts may not have been properly torqued to the front differential. Drivers will likely e

      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,

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    ENGINE AND ENGINE COOLING

    • TSB #PIP5554A

      NHTSA ID #10154276

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

      Summary: This Preliminary information communicates P0016 setting after internal engire repair. The engine Base timing is not being set correctly. The information in this PI will be helpful in setting the timing in the vehicle.  

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    • TSB #PIC5650F

      NHTSA ID #10154604

      • Date Announced: DECEMBER 17 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. Technician may find Diagnostic Trouble

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    • TSB #PIP5212B

      NHTSA ID #10154581

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

      Summary: This Preliminary Information communication provides information to the technician about vehicles that have run hot and or has a tick noise. Technician should inspect the head gaskets to ensure are not installed backwards. Technician should

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    • TSB #PIP5503A

      NHTSA ID #10154577

      • Date Announced: DECEMBER 11 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates to the dealer additional information on checking for the engne crankcase being overfull on oil causing an engine vibration concern. The technician is advised to inspect for contaminnants and adjust

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    • TSB #PIP5612A

      NHTSA ID #10154567

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

      Summary: This Preliminary information communicates A vehicle may have a humming, whining or whistle noise from engine bellhousing area. This could be caused by a restriction in the PCV system   

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    • TSB #PIP5612

      NHTSA ID #10154563

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

      Summary: This Preliminary information communicates A vehicle may have a humming, whining or whistle noise from engine bellhousing area. This could be caused by a restriction in the PCV system   

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    • 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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    • 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,

      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

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    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

    • TSB #PIE0501

      NHTSA ID #10154658

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

      Summary: This engineering informational bulletin is requesting information on incorrectly installed foul air PCV tube or tube may be damaged.

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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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    POWER TRAIN

    • TSB #16NA338

      NHTSA ID #10154638

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

      Summary: This Bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and explains the PQC process, GWM Transaction submission, vehicle service record retentio

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    • TSB #PIT5657

      NHTSA ID #10154326

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

      Summary: This Preliminary information communicates how to repair a loose shift cable bracket.

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    • TSB #PIP4021D

      NHTSA ID #10154312

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

      Summary: This Preliminary Information communication provides information to the technician that a whine noise heard from the automatic transmission fluid pan hear with the the key on and engine off, or for up to one minute after the vehicle has been

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    • TSB #PIP5593B

      NHTSA ID #10151857

      • Date Announced: NOVEMBER 16 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates to the dealer technician that the 10L80 transmission has been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.

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    • TSB #PIP5593A

      NHTSA ID #10151828

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

      Summary: This Preliminary information communicates to the dealer technician that the 10L80 transmission has been place on a part restriction. Dealers are to contact the Product Quality Center before replacing the transmission assembly.

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    • 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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    • 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 #18309

      NHTSA ID #10150559

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

      Summary: 18309 - Customer Satisfaction Program. Certain 2019 model year Chevrolet Silverado and GMC Sierra vehicles may have a condition where the prop shaft bolts may not have been properly torqued to the front differential. Drivers will likely e

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    POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

    • TSB #PIP5580A

      NHTSA ID #10151884

      • Date Announced: NOVEMBER 29 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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    ELECTRICAL SYSTEM

    • TSB #PIT5282E

      NHTSA ID #10154301

      • Date Announced: FEBRUARY 18 2019
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Tech

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    • TSB #PIT5287E

      NHTSA ID #10154298

      • Date Announced: FEBRUARY 15 2019
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician with the correct way to remove the front shock electrical connector terminals. Technician will need to slightly bend the end of the J-38125-12A release tool.

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    • TSB #PIT5391E

      NHTSA ID #10154280

      • Date Announced: FEBRUARY 08 2019
      • 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 no crank or a start and then immediate stall, Service Engine Soon Malfunction Indicator lamp may not be on

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    • TSB #PIT5630B

      NHTSA ID #10154269

      • Date Announced: FEBRUARY 05 2019
      • 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 #PIT5307F

      NHTSA ID #10154264

      • Date Announced: FEBRUARY 04 2019
      • 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, antilock braking system malfunction indicator lamp, service suspension system m

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    • TSB #PIT5546D

      NHTSA ID #10154263

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

      Summary: This Preliminary information communicates that water leaking into the headlamp assembly or headlamp assembly connections can cause an electrical short which will keep modules from shutting down causing a dead battery and a no crank conditio

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    • TSB #PIT5642

      NHTSA ID #10151855

      • Date Announced: NOVEMBER 15 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates and issue with the heated/vented seat switch indicators being inoperative or hard to see when the interior light dimmer switch is set to a very low/lowest position.  Engineering is currently investi

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    • TSB #PIT5445C

      NHTSA ID #10151849

      • Date Announced: NOVEMBER 15 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician of additional information when diagnosing a service driver assist message with a diagnostic trouble code B172E and or a B172F. The haptic seat motor has a pig

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    • TSB #PIT5634

      NHTSA ID #10151841

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

      Summary: This Preliminary information communicates and issue with a customer concern of a SES MIL, Reduced Engine Power, Service Brake System, and/or Speed Limited message, a lack of brake assist making the brake pedal hard and DTC P0606.  These iss

      More Information »

    • TSB #PIT5594A

      NHTSA ID #10151842

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

      Summary: This Preliminary information communicates a normal DIC message after learning keys/fobs which indicates the drivers memory position.

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    • TSB #PIT5639

      NHTSA ID #10151824

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

      Summary: This Preliminary information communicates information to not make any repairs for momentary  camera flicker when brake light, turn signal, or hazards are active with radio RPO IOR.  GM engineering is working on a resolution for this concern

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    • 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 #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 #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 #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 #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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    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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    ELECTRICAL SYSTEM: SOFTWARE

    • TSB #PIT5655

      NHTSA ID #10154313

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

      Summary: This Preliminary information communicates that a customer may complain of when a Bluetooth call is received the ringing will be continuous for the rest of the drive cycle . It may be noted that this only seems to occur when using an Android

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    • TSB #17NA276

      NHTSA ID #10154536

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

      Summary: 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

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    • TSB #PIT5648A

      NHTSA ID #10154294

      • Date Announced: FEBRUARY 12 2019
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates an issue with a "Trailer Disconnected Check Connection" message being displayed on the DIC without a trailer ever being connected.  Engineering is aware of the issue and working on a correction.

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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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    VISIBILITY:DEFROSTER/DEFOGGER SYSTEM

    • TSB #PIT5272B

      NHTSA ID #10151830

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

      Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Technician will need to inspect for voids in the body sealer on

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    STRUCTURE

    • TSB #PI0564K

      NHTSA ID #10154649

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

      Summary: This preliminary informational bulletin provides frame coating repair information to correct a customer concern of wax coating on frame peeling, metal shows corrosion/rusting (U.S. and Canada Only).

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    • TSB #PIT4250J

      NHTSA ID #10151877

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

      Summary: This Preliminary Information communication provides information to the technician about vehicles that have water or dust from the openings under the bed rails near the stake pockets. Dealer should communicate to the customer this condition

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    • TSB #PIT3946C

      NHTSA ID #10151839

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

      Summary: This Preliminary Information communicates an issues with the headliner sagging and how to reattach the velcro using Hardman Double Bubble Epoxy part number 04001.

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    • TSB #PIT5272B

      NHTSA ID #10151830

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

      Summary: This Preliminary Information communication provides information to the technician about vehicles that may have a whistle noise in the vehicle from the driver or passenger side. Technician will need to inspect for voids in the body sealer on

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    • 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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    • 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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    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

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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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    STRUCTURE:BODY:TAILGATE

    • TSB #PIT3227P

      NHTSA ID #10154601

      • Date Announced: DECEMBER 17 2018
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables. Technician should not replace any parts for this concern. Please communicate to the customer

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    • TSB #PIT5570B

      NHTSA ID #10151874

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

      Summary: This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops in the bed.

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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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    TIRES

    • TSB #PI1354I

      NHTSA ID #10154650

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

      Summary: This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.

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    WHEELS

    • TSB #PI1354I

      NHTSA ID #10154650

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

      Summary: This preliminary bulletin provides additional guidance for diagnosing vibrations or disturbances that may occur on full size pickups and how to correct and repair.

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    • TSB #18309

      NHTSA ID #10150559

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

      Summary: 18309 - Customer Satisfaction Program. Certain 2019 model year Chevrolet Silverado and GMC Sierra vehicles may have a condition where the prop shaft bolts may not have been properly torqued to the front differential. Drivers will likely e

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    TRAILER HITCHES

    • TSB #PIT5282E

      NHTSA ID #10154301

      • Date Announced: FEBRUARY 18 2019
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician that a customer may request the factory Integrated Trailer Brake Control be bypassed and their aftermarket trailer brake controller be installed instead. Tech

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    • 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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    SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER

    • TSB #PIT5642

      NHTSA ID #10151855

      • Date Announced: NOVEMBER 15 2018
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates and issue with the heated/vented seat switch indicators being inoperative or hard to see when the interior light dimmer switch is set to a very low/lowest position.  Engineering is currently investi

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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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    BACK OVER PREVENTION

    • TSB #PIP5606A

      NHTSA ID #10151818

      • Date Announced: NOVEMBER 02 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 #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

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    BACK OVER PREVENTION: SENSING SYSTEM: CAMERA

    • TSB #PIT5552C

      NHTSA ID #10154322

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

      Summary: This Preliminary information communicates repair information for the rear vision camera or surround vision camera image being: -  Yellow -  Blurry -  Distorted -  Image scrolling -  Image with NO gridlines -  Screen is blue with gri

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    • 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

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    EQUIPMENT

    • TSB #PIE0499A

      NHTSA ID #10154657

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

      Summary: This engineering informational bulletin is requesting information and document the exact location of the wire chafing by taking a photo of the flex fuel pigtail as it appears BEFORE repairs are made.

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    • TSB #17NA073

      NHTSA ID #10154641

      • Date Announced: FEBRUARY 15 2019
      • Additional Info: How to Fix

      Summary: This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

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    • TSB #PIT5570B

      NHTSA ID #10151874

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

      Summary: This Preliminary Information communication provides the technician with weight capacity for the tailgate and cargo loops in the bed.

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    • TSB #PIT3946C

      NHTSA ID #10151839

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

      Summary: This Preliminary Information communicates an issues with the headliner sagging and how to reattach the velcro using Hardman Double Bubble Epoxy part number 04001.

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    • 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 #18338

      NHTSA ID #10150651

      • Date Announced: OCTOBER 24 2018
      • Additional Info: How to Fix

      Summary: 18338 - Service Update. Certain vehicles may have a linkage to the HVAC front defrost door that is not fully seated and it may disconnect over time. Inspect the defrost linkage and repair if the linkage is not fully seated.

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    • 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 #18319

      NHTSA ID #10150565

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

      Summary: 18319 - Service Update. Certain vehicles may have the cotter key clip retainer missing from the front brake pad guide pin. Inspect front calipers and install the cotter pin if necessary.

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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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    EQUIPMENT:ELECTRICAL

    • TSB #PIT5553B

      NHTSA ID #10154318

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

      Summary: This Preliminary information communicates Operational Tips/Support For GM Accessory Three Camera Trailering System Package By EchoMaster.

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    • 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 #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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    EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

    • TSB #PIT5545C

      NHTSA ID #10154310

      • Date Announced: FEBRUARY 20 2019
      • Additional Info: How to Fix

      Summary: This Preliminary information communicates Content Theft Deterrent RPO UTJ is included and only available with Remote Vehicle Start RPO BTV. If the vehicle is not equipped with Remote Vehicle Start RPO BTV the vehicle will not have Content T

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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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    EQUIPMENT:AIR CONDITIONER

    • TSB #18338

      NHTSA ID #10150651

      • Date Announced: OCTOBER 24 2018
      • Additional Info: How to Fix

      Summary: 18338 - Service Update. Certain vehicles may have a linkage to the HVAC front defrost door that is not fully seated and it may disconnect over time. Inspect the defrost linkage and repair if the linkage is not fully seated.

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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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