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

    • TSB #02115

      NHTSA ID #10007457

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

      Summary: PART NUMBER 15042486 LEAF SPRING DAMPER MENTIONED IN TECHNICAL SERVICE BULLETIN (TSB) 00-03-09-001A IS NOT AVAILABLE. *MJ

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    SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY

    • TSB #02097

      NHTSA ID #10007458

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

      Summary: PART NUMBER 15042486 PER BULLETIN 00-03-09-001A FOR THE REAR SPRING DAMPER KIT IS CURRENTLY NOT AVAILABLE. *MJ

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    SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES

    • TSB #PIT-3665-A

      NHTSA ID #10028790

      • Date Announced: NOVEMBER 01 2010
      • Additional Info: How to Fix

      Summary: GENERAL MOTORS: ON ALL 1988-2009 FULL SIZE CHEVROLET/GMC PICKUPS, UTILITIES AND VANS, THE BRAKE PEDAL WILL MOVE DOWN OR SELF APPLY DURING FULL LOCK TURNS OR NEAR FULL LOCK TURNS. CHEVROLET ASTRO AND GMC SAFARI VANS; HUMMER 2 ARE INCLUDED.

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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 #000605001

      NHTSA ID #10012145

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

      Summary: BOOM TYPE NOISE DURING ENGINE WARM UP. THIS SERVICE BULLETIN REPLACES 000605001A. *EH

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    • TSB #01225

      NHTSA ID #10007717

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

      Summary: ENGINE COOLANT LEAK AT INTAKE GASKET. * MJ

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    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #030601024A

      NHTSA ID #10004301

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

      Summary: RATTLE NOISE IN ENGINE. *TT

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    • TSB #030601024

      NHTSA ID #10004371

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

      Summary: RATTLE NOISE IN ENGINE. *TT

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    • TSB #676114A

      NHTSA ID #52601

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

      Summary: ENGINE NOISE (INSTALL VALVE STEM OIL SEAL). *TW

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    • 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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    ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

    • TSB #000605001A

      NHTSA ID #10005528

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

      Summary: CONCERNS WITH BOOM TYPE NOISE DURING ENGINE WARM-UP HEARD IN THE VEHICLE PASSENGER COMPARTMENT. *TT

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    • TSB #020604043

      NHTSA ID #634273

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

      Summary: SUBJECT REGARDING REVISED DTC P0340 CAMSHAFT POSITION (CMP) SENSOR CIRCUIT DIAGNOSITC. NLM

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    ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

    • TSB #311001

      NHTSA ID #628070

      • Date Announced: OCTOBER 31 2001
      • Additional Info: How to Fix

      Summary: SOME VEHICLES MAY EXHIBIT AN EXHAUST NOISE, RATTLE NOISE AT 550 RPM. *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, GASOLINE:DELIVERY:FUEL PUMP

    • TSB #666309

      NHTSA ID #52350

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

      Summary: ENGINE HARD TO START (REPLACE FUEL PUMP PULSATOR). *TW

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    POWER TRAIN

    • 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:AUTOMATIC TRANSMISSION

    • TSB #010730021

      NHTSA ID #619742

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

      Summary: THIS TECHNICAL SERVICE BULLETIN STATES THAT TECHNICIANS MAY EXPERIENCE DIFFICULTY IN REMOVING THE CONNECTORS FROM THE PARK / NEUTRAL POSITION SWITCH, USUALLY WHEN TRYING TO REMOVE THE SWITCH DURING TRANSMISSION SERVICE. *TT

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    • TSB #9774L60E08A

      NHTSA ID #52555

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

      Summary: AUTOMATIC TRANSMISSION 1-2 AND/OR 2-3 UPSHIFT SLIP/FLARE, NO 3RD OR 4TH GEAR, DTC P1870, LAUNCH SHUDDER (REVISE VCM WIRING). *TW

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    • 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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    • TSB #9674L60E04A

      NHTSA ID #52554

      • 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:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

    • TSB #020730024A

      NHTSA ID #634999

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

      Summary: DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT

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    ELECTRICAL SYSTEM

    • TSB #02136

      NHTSA ID #10007811

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

      Summary: INTERMITTENT BATTERY LIGHT COMES ON, INTERMITTENT NO CRANK. *TT

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    ELECTRICAL SYSTEM:IGNITION:MODULE

    • TSB #569603A

      NHTSA ID #51275

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

      Summary: ELECTRICAL INTERFERENCE IN MOBILE (TWO-WAY) RADIO (REPROGRAM VCM-A). *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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    VISIBILITY

    • TSB #01667

      NHTSA ID #10007244

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

      Summary: WINDOW REGULATOR MOTOR DOES NOT FIT. *TT

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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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    VISIBILITY:DEFROSTER/DEFOGGER SYSTEM

    • TSB #020201

      NHTSA ID #618269

      • Date Announced: FEBRUARY 02 2001
      • Additional Info: How to Fix

      Summary: THIS MESSAGE CONCERNS 1996 THROUGH 2000 M & L VANS, CHEVROLET ASTRO AND GMC SAFARI THAT MAY EXHIBIT A LACK OF HEAT AT THE DRIVER'S SEAT. *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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    SEAT BELTS:FRONT:ANCHORAGE

    • TSB #98030

      NHTSA ID #602342

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

      Summary: SPECIAL POLICY FOR SAFETY BELT GUIDE COVER. *YC

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    SEAT BELTS:FRONT:WARNING LIGHT/DEVICES

    • TSB #01036

      NHTSA ID #620862

      • Date Announced: AUGUST 29 2001
      • Additional Info: How to Fix

      Summary: SUBJECT REGARDING FASTEN SEAT BELT WARNING AUDIBLE SIGNAL - PARTS INFORMATION UPDATE. *TT

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    • TSB #01036

      NHTSA ID #620840

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

      Summary: SUBJECT REGARDING CAMPAIGN 01036 - FASTEN SEAT BELT WARNING AUDIBLE SIGNAL - PARTS INFORMATION UPDATE. *TT

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    • TSB #01123

      NHTSA ID #623397

      • Date Announced: JUNE 22 2001
      • Additional Info: How to Fix

      Summary: CAMPAIGN PARTS BULLETIN REGARDING FASTEN SEAT BELT WARNING AUDIBLE SIGNAL. *TT

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    • TSB #01036

      NHTSA ID #623443

      • Date Announced: JUNE 20 2001
      • Additional Info: How to Fix

      Summary: THIS BULLETIN STATES THAT GENERAL MOTORS HAS DECIDED THAT CERTAIN VEHICLES FAIL TO CONFIRM TO FEDERAL/CANADA MOTOR VEHICLE SAFETY STANDARD 208, OCCUPANT CRASH PROTECTION, 208, OCCUPANT RESTRAIN SYSTEM IN FRONTAL IMPACT, AND ARTICLE 22-3, TR

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    • TSB #01036

      NHTSA ID #623540

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

      Summary: INFORMATION REGARDING FASTEN SEAT BELT WARNING AUDIBLE SIGNAL PARTS AVAILABILITY. *SLC

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    STRUCTURE:BODY:DOOR

    • TSB #020864013

      NHTSA ID #634576

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

      Summary: SOME CUSTOMERS MAY COMMENT THAT THE RIGHT REAR DOOR HANDLE ON THE CARGO DOOR BREAKS. *TT

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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

      More Information »

    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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    • TSB #549001A

      NHTSA ID #52600

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

      Summary: CLN INDICATOR APPEARS ON RADIO DISPLAY AND DOES NOT TURN OFF (RESET CLN INDICATOR WITH THE EJECT BUTTON ON TAPE). *TW

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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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