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:FRONT

    • TSB #733301

      NHTSA ID #52339

      • Date Announced: APRIL 01 1997
      • Additional Info: How to Fix

      Summary: SQUAWK NOISE COMING FROM FRONT SUSPENSION OR ENGINE COMPARTMENT AREA (INSTALL ULTRA HIGH MOLECULAR TAPE). *TW

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    SERVICE BRAKES, HYDRAULIC:ANTILOCK

    • TSB #9709015015A

      NHTSA ID #54329

      • Date Announced: SEPTEMBER 01 1997
      • Additional Info: How to Fix

      Summary: COMPLAINTS THAT THE ABS INDICATOR LAMP IS "ON". *YC

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    • TSB #970801735026

      NHTSA ID #54419

      • Date Announced: AUGUST 01 1997
      • Additional Info: How to Fix

      Summary: COMMENT THAT THE ABS LIGHT IS ON WITH DIAGNOSTIC TROUBLE CODES (DTC'S) 46 AND 86 SET AS CURRENT OR HISTORY. *YC

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    SERVICE BRAKES, AIR

    • TSB #4615

      NHTSA ID #10023171

      • Date Announced: no date provided
      • Additional Info: How to Fix

      Summary: ABS PUMP RUNNING WHEN NOT NEEDED. *NJ

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    SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR

    • TSB #04152004

      NHTSA ID #10009220

      • Date Announced: APRIL 15 2004
      • Additional Info: How to Fix

      Summary: VEHICLES MAY SET ANYONE OR A COMBINATION OF FRONT-WHEEL SPEED SENSOR ANTI-LOCK BRAKE SYSTEM CODES AS INTERMITTENT OR HARD FAILURES. GM VOICEMAIL EXPRESS. *TT

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    • TSB #00966

      NHTSA ID #10007816

      • Date Announced: JANUARY 01 2004
      • Additional Info: How to Fix

      Summary: ANTI-LOCK BRAKING SYSTEM (ABS) FRONT WHEEL SPEED CODES - JUMPER HARNESS. *TT

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    • TSB #00966B

      NHTSA ID #10007293

      • Date Announced: JANUARY 01 2004
      • Additional Info: How to Fix

      Summary: ABS FRONT WHEEL SPEED CODES - JUMPER HARNESS. *TT

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    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #010601002A

      NHTSA ID #10000782

      • Date Announced: DECEMBER 01 2002
      • Additional Info: How to Fix

      Summary: REVISED PISTON PIN REMOVAL / INSTALLATION PROCEDURE. *TT

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    • TSB #776001

      NHTSA ID #52935

      • Date Announced: JULY 01 1997
      • Additional Info: How to Fix

      Summary: INFORMATION CONCERNING ENGINE KNOCK/RATTLE OR TAP NOISE BEFORE ENGINE HAS REACHED OPERATING TEMPERATURE OR UNDER LIGHT LOAD CONDITIONS AT OPERATING TEMPERATURE (REPLACE PISTON AND/OR ROD ASSEMBLIES). AK

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    • TSB #776001

      NHTSA ID #51302

      • Date Announced: MARCH 01 1997
      • Additional Info: How to Fix

      Summary: KNOCK, RATTLE OR TAP NOISE FROM THE ENGINE BEFORE THE ENGINE HAS REACHED OPERATING TEMPERATURE OR UNDER LIGHT LOAD CONDITIONS AT OPERATING TEMPERATURE KNOCK, RATTLE OR TAP NOISE FROM THE ENGINE BEFORE THE ENGINE HAS REACHED OPERATING

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    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #020601014

      NHTSA ID #634708

      • Date Announced: APRIL 01 2002
      • Additional Info: How to Fix

      Summary: SUBJECT REGARDING REVISED LOWER INTAKE MANIFOLD INSTALLATION. *TT

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    • TSB #010601010A

      NHTSA ID #620810

      • Date Announced: JUNE 01 2001
      • Additional Info: How to Fix

      Summary: SUBJECT REGARDING POLYMER SERVICE PISTONS. *TT

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    • TSB #990604005A

      NHTSA ID #619360

      • Date Announced: APRIL 01 2001
      • Additional Info: How to Fix

      Summary: SOME OWNERS MAY COMMENT ON DRIVEABILITY SYMPTONS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT

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    • TSB #990604005

      NHTSA ID #604343

      • Date Announced: FEBRUARY 01 1999
      • Additional Info: How to Fix

      Summary: SOME OWNERS MAY EXPERIENCE A DRIVEABILITY SYMPTOM OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE. *TT

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    • TSB #876002A

      NHTSA ID #615073

      • Date Announced: JULY 01 1998
      • Additional Info: How to Fix

      Summary: SOME V6 ENGINES MAY, ON A VERY INFREQUENT BASIS, HAVE AN OIL ODOR CONDITION THAT IS GENERALLY ENCOUNTERED AFTER THE ENGINE'S OIL HAS BEEN CHANGED.TYPICALLY THE ODOR LASTS APPROXIMATELY 1000 MILES AFTER THE CHANGE OF OIL AND THEN DOES NOT RE

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    FUEL SYSTEM, GASOLINE

    • TSB #PIP4723C

      NHTSA ID #10157018

      • Date Announced: SEPTEMBER 20 2017
      • Additional Info: How to Fix

      Summary: This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and

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    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

    • TSB #971101776304

      NHTSA ID #54066

      • Date Announced: NOVEMBER 01 1997
      • Additional Info: How to Fix

      Summary: SUBJECT PERTAINING TO DRIVEABILITY SYMPTOMS DUE TO FUEL INJECTOR DEPOSITS. *YC

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    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS

    • TSB #98776304A

      NHTSA ID #600282

      • Date Announced: FEBRUARY 01 1998
      • Additional Info: How to Fix

      Summary: SOME VEHICLES MAY EXPERIENCE A DRIVEABILITY SYMPTOM OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE. *YC

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    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #677164

      NHTSA ID #51296

      • Date Announced: FEBRUARY 01 1997
      • Additional Info: How to Fix

      Summary: INTERMITTENT NEUTRAL OR LOSS OF DRIVE AT HIGHWAY SPEEDS OR FROM FOURTH GEAR (REPLACE CONTROL VALVE BODY ASSEMBLY). *TW

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    POWER TRAIN:AXLE ASSEMBLY

    • TSB #990730030A

      NHTSA ID #619370

      • Date Announced: APRIL 01 2001
      • Additional Info: How to Fix

      Summary: OWNERS OF SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60, 4T60-E OR 4T65-E TRANSAXLES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN STANDING IN PARK ON A HILL OR SLOPE WITH THE ENGINE RUNNING AND THE PARKING

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    • TSB #990730030

      NHTSA ID #6089996

      • Date Announced: DECEMBER 01 1999
      • Additional Info: How to Fix

      Summary: SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60 OR 4T60-E TRANSXALES MAY COMMENT ON A GRINDING AND / OR GROWLING NOISE THAT IS NOTICEABLE WHEN IN PARK ON INCLINE. *TT

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    ELECTRICAL SYSTEM:IGNITION

    • TSB #776403

      NHTSA ID #51301

      • Date Announced: FEBRUARY 01 1997
      • Additional Info: How to Fix

      Summary: ENGINE MISS (REPLACE SPARK PLUG WIRE AND IGNITION COIL). *TW

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    ELECTRICAL SYSTEM: SOFTWARE

    • TSB #PIP4723C

      NHTSA ID #10157018

      • Date Announced: SEPTEMBER 20 2017
      • Additional Info: How to Fix

      Summary: This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and

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    • TSB #PIP4723B

      NHTSA ID #10113443

      • Date Announced: FEBRUARY 22 2017
      • Additional Info: How to Fix

      Summary: This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and

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    SEAT BELTS

    • TSB #PIC4696C

      NHTSA ID #10141381

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

      Summary: This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock ce

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    VEHICLE SPEED CONTROL

    • TSB #970801676305

      NHTSA ID #54418

      • Date Announced: AUGUST 01 1997
      • Additional Info: How to Fix

      Summary: SOME VEHICLES EXPERIENCE DIFFICULTIES TO DEPRESS ACCELERATOR PEDAL AND/OR AN ACCELERATOR CABLE SEPARATION. *YC

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    TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS

    • TSB #PIP4723C

      NHTSA ID #10157018

      • Date Announced: SEPTEMBER 20 2017
      • Additional Info: How to Fix

      Summary: This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and

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    EQUIPMENT

    • 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 #PIP4723C

      NHTSA ID #10157018

      • Date Announced: SEPTEMBER 20 2017
      • Additional Info: How to Fix

      Summary: This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and

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    EQUIPMENT:ELECTRICAL:ANTI-THEFT DEVICES

    • TSB #PIC4696B

      NHTSA ID #10114947

      • Date Announced: DECEMBER 04 2015
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock ce

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    • TSB #PIC4696A

      NHTSA ID #10114924

      • Date Announced: OCTOBER 23 2015
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock ce

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

    • TSB #PIC4696A

      NHTSA ID #10114924

      • Date Announced: OCTOBER 23 2015
      • Additional Info: How to Fix

      Summary: This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock. Technician will use the radio to get the scrambled code. Technician will need to contact the radio unlock ce

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    EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL

    • TSB #17-NA-073

      NHTSA ID #10138060

      • Date Announced: MARCH 15 2017
      • Additional Info: How to Fix

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

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