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:REAR

    • TSB #01570

      NHTSA ID #10005412

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

      Summary: SPRING SLAP NOISE FROM THE REAR OF THE GMT 400 SERIES TRUCK. *MN

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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 #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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    • 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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    FUEL SYSTEM, OTHER

    • TSB #3325

      NHTSA ID #10017191

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

      Summary: SUPPLEMENT TO BULLETIN 99-06-04-047A FOR FUEL SYSTEM CLEANING. *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: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 #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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