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:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE

    • TSB #3340

      NHTSA ID #10020874

      • Date Announced: SEPTEMBER 23 2006
      • Additional Info: How to Fix

      Summary: LEFT FRONT AXLE SHAFT DIFFICULT TO REMOVE. AXLE DIFFERENTIAL LEAK SEAL SHAFT. *KB

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    SERVICE BRAKES, HYDRAULIC:ANTILOCK

    • TSB #020525006

      NHTSA ID #10000062

      • Date Announced: JANUARY 01 2006
      • Additional Info: How to Fix

      Summary: ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS. *TT

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    SERVICE BRAKES, AIR:ANTILOCK

    • TSB #020525006A

      NHTSA ID #10000749

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

      Summary: ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS ON VARIOUS MODELS INCLUDING THE 1995 AND 1996 ENVOY. *TT

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    ENGINE AND ENGINE COOLING

    • TSB #PI0969

      NHTSA ID #10139019

      • Date Announced: MAY 03 2013
      • Additional Info: How to Fix

      Summary: This preliminary informational bulletin provides information on High Oil Pressure on Startup After Engine Replacement Concern.

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    • TSB #040604088

      NHTSA ID #10014959

      • Date Announced: MARCH 01 2005
      • Additional Info: How to Fix

      Summary: REPLACEMENT OF CONNECTOR WHEN REPLACING FUEL TANK MODULE/FUEL PUMP MODULE. *TT

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    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #3081

      NHTSA ID #10010375

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

      Summary: SERVICE ENGINE SOON LIGHT AND P0300 WHEN TOWING, CRUISING UPHILL OR ON HARD ACCELERATION. *TT

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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, OTHER:FUEL INJECTION SYSTEM

    • TSB #01349A

      NHTSA ID #10004135

      • Date Announced: NOVEMBER 18 2003
      • Additional Info: How to Fix

      Summary: 6.5L L49 L56 L57 L65 DIESEL ENGINE REQUIRING FUEL INJECTION PUMP REPLACEMENT. MODELS P32/P42 1994-1999 INCLUDED. *TT

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    POWER TRAIN

    • TSB #01410

      NHTSA ID #10004214

      • Date Announced: NOVEMBER 18 2003
      • Additional Info: How to Fix

      Summary: POOR PERFORMANCE FROM A STOP IN 2WD, AUTO OR 4WD HI. 2003, 2003 CADILLAC EXT ALSO INCLUDED. *TT

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    • TSB #990730016A

      NHTSA ID #10007838

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

      Summary: DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT

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    POWER TRAIN:MANUAL TRANSMISSION

    • TSB #667202A

      NHTSA ID #51298

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

      Summary: MANUAL TRANSMISSION RATTLE NOISE AT IDLE (INSTALL CONVENTIONAL FLYWHEEL). *TW

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    POWER TRAIN:AUTOMATIC TRANSMISSION

    • TSB #577126B

      NHTSA ID #52105

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

      Summary: TRANSMISSION FLUID LEAK FROM PUMP BODY (REPLACE BUSHING). *TW

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    POWER TRAIN:DRIVELINE

    • TSB #3300

      NHTSA ID #10013572

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

      Summary: 4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT. *EH

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    ELECTRICAL SYSTEM

    • TSB #00149D

      NHTSA ID #10005439

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

      Summary: MALFUNCTION INDICATOR LAMP ON WITH A P0300 SET AND A MISFIRE. VARIOUS MODELS INCLUDING 1996 - 1999 P32 MODELS. SIT BULLETIN 1416475. *TT

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    • TSB #00149C

      NHTSA ID #10004223

      • Date Announced: NOVEMBER 18 2003
      • Additional Info: How to Fix

      Summary: MALFUNCTION INDICATOR LAMP ON WITH A P0300 SET AND A MISFIRE. VARIOUS MODELS INCLUDING THE 1996-1999 P32 AND THE 1996-2002 GMC C/K TRUCK. *TT

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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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    VISIBILITY:WINDSHIELD WIPER/WASHER

    • TSB #02054

      NHTSA ID #10002567

      • Date Announced: FEBRUARY 21 2003
      • Additional Info: How to Fix

      Summary: WINDSHIELD WIPER FAILURE DUE TO CRACKED BOULDER JOINTS ON THE CONTROLLER CIRCUIT BOARD. THIS SPECIAL POLICY COVERS THE CONDITION FOR A PERIOD OF SEVEN YEARS OR 70,000 MILES, WHICHEVER OCCURS FIRST FROM THE DATE THE VEHICLE WAS ORIGINALLY P

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    VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR

    • TSB #02054

      NHTSA ID #10001125

      • Date Announced: FEBRUARY 01 2003
      • Additional Info: How to Fix

      Summary: SPECIAL POLICY ADJUSTMENT - WINDSHIELD WIPER MOTOR FAILURES. *TT

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    • TSB #98043

      NHTSA ID #615106

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

      Summary: PRODUCT RECALL CAMPAIGN INVOLVING WINDSHIELD WIPER MOTOR REPLACEMENT. *TT

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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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    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:AIR CONDITIONER

    • TSB #3005

      NHTSA ID #10008883

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

      Summary: 93-00 FULL SIZE UTILITIES (GMT 400 OLD STYLE ONLY) AC BLOWS WARM AND THE HIGH SIDE PRESSURE IS TOO HIGH. *MJ

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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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