Technical Service Bulletins (TSBs) for the 2002 Envoy XL are official communications between GMC & their dealerships that describe processes for troubleshooting or fixing certain common problems. All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.

    STEERING

    • TSB #040232001

      Date Announced:
      AUG 01, 2007
      NHTSA ID:
      #10012694

      RELEASE OF STEERING GEAR STUB SHAFT BEARING KIT FOR SERVICE. *TT UPDATED 08-15-07. *KB UPDATED 10/09/07. *NJ Read More »

    SUSPENSION:REAR

    • TSB #SB-070417001D

      Date Announced:
      JUN 01, 2010
      NHTSA ID:
      #10030590

      GMC/BUICK/OLDSMOBILE/SAAB: BUMP OR THUMP NOISE IS HEARD COMING FROM THE REAR SUSPENSION OR FELT IN THE FLOOR. THE INFORMATION AFFECT VEHICLES WITH G67 AUTOMATIC LEVEL CONTROL REAR SUSPENSION. *PE UPDATED 3/30/11. Read More »

    SERVICE BRAKES, AIR

    • TSB #020526001B

      Date Announced:
      JAN 01, 2005
      NHTSA ID:
      #10006115

      REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES. *TT UPDATE. *TT Read More »

    SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT

    • TSB #040525002

      Date Announced:
      JUN 01, 2007
      NHTSA ID:
      #10022470

      ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. (REGROUND EBCM GROUND). *KB Read More »

    PARKING BRAKE

    • TSB #020526001B

      Date Announced:
      JAN 01, 2005
      NHTSA ID:
      #10006115

      REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES. *TT UPDATE. *TT Read More »

    ENGINE (PWS)

    • TSB #PI1394A

      Date Announced:
      AUG 29, 2016
      NHTSA ID:
      #10082869

      THIS INFORMATIONAL BULLETIN PROVIDES ADDITIONAL INFORMATION ON HOW TO INSTALL PISTONS AND SUGGEST WHAT TOOLS TO USE. Read More »

    • TSB #000601012F

      Date Announced:
      AUG 02, 2016
      NHTSA ID:
      #10082814

      THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION TO GM DEALERS ON THE CORRECT CLEANING METHODS WHEN CLEANING ENGINE GASKET SEALING SURFACES. Read More »

    ENGINE AND ENGINE COOLING

    • TSB #PIT4297A

      Date Announced:
      DEC 11, 2019
      NHTSA ID:
      #10170430

      This Preliminary information communicates diagnostic information for a front noise. Read More »

    • TSB #3145

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10009922

      WHEN PERFORMING CAMPAIGN 04048, THE CONNECTOR WILL NOT FIT INTO THE COMPRESSOR. *TC Read More »

    ENGINE AND ENGINE COOLING:ENGINE

    • TSB #02023

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007212

      INTERMITTENT NO CRANK NO START. SECURITY LIGHT MAY BE ON OR OFF. 4.2 LL8 ENGINE. *NM Read More »

    • TSB #3145

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10009922

      WHEN PERFORMING CAMPAIGN 04048, THE CONNECTOR WILL NOT FIT INTO THE COMPRESSOR. *TC Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM

    • TSB #PIT3116B

      Date Announced:
      MAY 13, 2020
      NHTSA ID:
      #10176314

      This Preliminary information communicates information to Clean the throttle body if the engine stalls at idle when the A/C comes on. Read More »

    ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

    • TSB #01676

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007188

      4.2 4L60E ENGINE COOLING FAN CONTACTS SHROUD AFTER REPLACING RADIATOR. *MR Read More »

    FUEL SYSTEM, GASOLINE

    • TSB #01764

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10006261

      VEHICLE DIFFICULT TO FILL WITH FUEL/ FILLING STATION PUMP SHUTS OFF BEFORE TANK FULL. ALSO INCLUDING 2003 BUICK RAINIER. *MR Read More »

    FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY

    • TSB #14423

      Date Announced:
      NOV 02, 2015
      NHTSA ID:
      #10089561

      14423 - SPECIAL COVERAGE. SOME VEHICLES CONTAIN A FUEL TANK INLET CHECK VALVE (ICV) THAT COULD FRACTURE. THE ICV IS LOCATED ABOVE THE FULL FUEL LEVEL. Read More »

    • TSB #07076

      Date Announced:
      OCT 01, 2008
      NHTSA ID:
      #10026522

      BUICK\CHEVROLET\GMC\OLDSMOBILE SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT - FUEL TANK MODULAR RESERVOIR ASSEMBLY CORROSION. CSC LETTER WAS RECEIVED. UPDATED 11/6/08. Read More »

    • TSB #20050577

      Date Announced:
      APR 14, 2005
      NHTSA ID:
      #10014969

      FUEL TANK INLET CHECK VALVE FRACTURE. *EH Read More »

    FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    FUEL SYSTEM, OTHER

    • TSB #GCUS-9-1522

      Date Announced:
      JAN 15, 2016
      NHTSA ID:
      #10079728

      14423C - SPECIAL COVERAGE (REVISED SERVICE PROCEDURE). A FUEL TANK INLET CHECK VALVE (ICV) COULD FRACTURE. THE ICV IS LOCATED ABOVE THE FULL FUEL LEVEL. Read More »

    • TSB #GCUS-9-1493

      Date Announced:
      JAN 12, 2016
      NHTSA ID:
      #10079705

      14423B - SPECIAL COVERAGE (REVISED PART INFORMATION AND SERVICE PROCEDURE). A FUEL TANK INLET CHECK VALVE (ICV) COULD FRACTURE. THE ICV IS LOCATED ABOVE THE FULL FUEL LEVEL. Read More »

    FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY

    • TSB #14423A

      Date Announced:
      DEC 14, 2015
      NHTSA ID:
      #10089419

      14423A - SPECIAL COVERAGE (REVISED PART INFORMATION). SOME 2004 MODEL YEAR BUICK RAINIER, 2003-2004 MODEL YEAR CHEVROLET SSR, 2002-2004 MODEL YEAR CHEVROLET TRAILBLAZER, CHEVROLET TRAILBLAZER EXT, GMC ENVOY, GMC ENVOY XL, AND OLDSMOBILE ... Read More »

    • TSB #14423A

      Date Announced:
      DEC 14, 2015
      NHTSA ID:
      #10089488

      14423A - SPECIAL COVERAGE (REVISED PART INFORMATION). SOME 2004 MODEL YEAR BUICK RAINIER, 2003-2004 MODEL YEAR CHEVROLET SSR, 2002-2004 MODEL YEAR CHEVROLET TRAILBLAZER, CHEVROLET TRAILBLAZER EXT, GMC ENVOY, GMC ENVOY XL, AND OLDSMOBILE ... Read More »

    • TSB #14423

      Date Announced:
      NOV 02, 2015
      NHTSA ID:
      #10089561

      14423 - SPECIAL COVERAGE. SOME VEHICLES CONTAIN A FUEL TANK INLET CHECK VALVE (ICV) THAT COULD FRACTURE. THE ICV IS LOCATED ABOVE THE FULL FUEL LEVEL. Read More »

    • TSB #07076

      Date Announced:
      OCT 01, 2008
      NHTSA ID:
      #10026522

      BUICK\CHEVROLET\GMC\OLDSMOBILE SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT - FUEL TANK MODULAR RESERVOIR ASSEMBLY CORROSION. CSC LETTER WAS RECEIVED. UPDATED 11/6/08. Read More »

    POWER TRAIN:DRIVELINE

    • TSB #040421001

      Date Announced:
      MAY 01, 2004
      NHTSA ID:
      #10008503

      DELAYED ENGAGEMENT OF FRONT WHEELS DURING A SLIP CONDITION. *MJ Read More »

    POWER TRAIN:DRIVELINE:DRIVESHAFT

    • TSB #SB-070417001D

      Date Announced:
      JUN 01, 2010
      NHTSA ID:
      #10030590

      GMC/BUICK/OLDSMOBILE/SAAB: BUMP OR THUMP NOISE IS HEARD COMING FROM THE REAR SUSPENSION OR FELT IN THE FLOOR. THE INFORMATION AFFECT VEHICLES WITH G67 AUTOMATIC LEVEL CONTROL REAR SUSPENSION. *PE UPDATED 3/30/11. Read More »

    ELECTRICAL SYSTEM

    • TSB #PIT3254B

      Date Announced:
      NOV 20, 2019
      NHTSA ID:
      #10168969

      This Preliminary information communicates information for setting up the SDM. Read More »

    • TSB #PIT5485B

      Date Announced:
      APR 27, 2016
      NHTSA ID:
      #10083898

      THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE, TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE. Read More »

    • TSB #PIC-5050-A

      Date Announced:
      APR 19, 2016
      NHTSA ID:
      #10078734

      THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. Read More »

    • TSB #PIC-4935-E

      Date Announced:
      APR 19, 2016
      NHTSA ID:
      #10078735

      THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. Read More »

    • TSB #PIC4935E

      Date Announced:
      APR 19, 2016
      NHTSA ID:
      #10083484

      THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. Read More »

    • TSB #PIT5485A

      Date Announced:
      APR 08, 2016
      NHTSA ID:
      #10083900

      THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN, IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE. Read More »

    • TSB #08089-B

      Date Announced:
      NOV 01, 2008
      NHTSA ID:
      #10027804

      GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE Read More »

    • TSB #040845010

      Date Announced:
      SEP 01, 2004
      NHTSA ID:
      #10011074

      VARIOUS INTERIOR ELECTRICAL CONCERNS, IP GAUGES/LIGHTING INOPERATIVE, HVAC CONTROLS INOPERATIVE, BLOWER MOTOR INOPERATIVE, RADIO INOPERATIVE, FLASHER INOPERATIVE. *TT Read More »

    ELECTRICAL SYSTEM:12V/24V/48V BATTERY

    • TSB #PIC-4935-E

      Date Announced:
      APR 19, 2016
      NHTSA ID:
      #10078735

      THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. Read More »

    ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

    • TSB #01900

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10006472

      UNDER HOOD FUSE BLOCK - 125 AMP MEGA FUSE BLOWN. ALSO INCLUDING BUICK RAINIER 2002, 2003. *MR Read More »

    ELECTRICAL SYSTEM:SOFTWARE

    • TSB #08089-B

      Date Announced:
      NOV 01, 2008
      NHTSA ID:
      #10027804

      GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE Read More »

    EXTERIOR LIGHTING:TAIL LIGHTS

    • TSB #04017A

      Date Announced:
      SEP 29, 2004
      NHTSA ID:
      #10010181

      TAIL LAMP/STOP LAMP(S) MAY BECOME INOPERATIVE. GM ADMINISTRATIVE MESSAGE. *NM Read More »

    • TSB #3335

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10017179

      SUPPLEMENT TO CAMPAIGN 04087 / SCREWS BREAK IN THE TAIL LAMP HOUSING. *SC Read More »

    VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR

    • TSB #3151

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10009986

      INSIDE REAR VIEW MIRROR DOES NOT DISPLAY AMBIENT TEMPERATURE WITH CJ2 OPTION. *TC Read More »

    VISIBILITY:WINDSHIELD WIPER/WASHER

    • TSB #3110A

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10010201

      WASHER MOTOR FOR THE FRONT WIPERS CONTINUOUSLY RUNS WHILE THE KEY ON. *SC UPDATE. *TT Read More »

    VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR

    • TSB #3110A

      Date Announced:
      NONE PROVIDED
      NHTSA ID:
      #10010201

      WASHER MOTOR FOR THE FRONT WIPERS CONTINUOUSLY RUNS WHILE THE KEY ON. *SC UPDATE. *TT Read More »

    STRUCTURE:BODY

    • TSB #030866008

      Date Announced:
      AUG 01, 2003
      NHTSA ID:
      #10012578

      PERIMETER SEAL/GASKET PULLS AWAY FROM LICENSE PLATE HOUSING AND/OR EXCESSIVE ADHESIVE AROUND GASKET. *TT Read More »

    STRUCTURE:BODY:HATCHBACK/LIFTGATE

    • TSB #060866011

      Date Announced:
      AUG 01, 2006
      NHTSA ID:
      #10020523

      REAR LIFTGATE BINDS, IMPROPER FIT. MAY BE CAUSED BY BROKEN WELDS OR CRACKS FORMED AROUND THE TWO INNER WELDS. *KB Read More »

    STRUCTURE:BODY:HATCHBACK/LIFTGATE:HINGE AND ATTACHMENTS

    • TSB #00949C

      Date Announced:
      JAN 01, 2004
      NHTSA ID:
      #10007289

      THE LIFTGATE OR LIFTGATE GLASS BINDS WHEN OPENING OR DOES NOT OPEN COMPLETELY BECAUSE THE CENTER HIGH MOUNTED STOP LAMP (CHMSL) APPLIQUE HITS THE ROOF OF THE VEHICLE. *TT Read More »

    SEATS:FRONT ASSEMBLY:HEAD RESTRAINT

    • TSB #SB-10-08-50-003B

      Date Announced:
      NOV 01, 2011
      NHTSA ID:
      #10042986

      GENERAL MOTORS: INFORMATION PROVIDED BY BULLETIN FOR ALL 2012 AND PRIOR GENERAL MOTOR TRUCKS AND PASSENGER VEHICLES REGARDING THE ADJUSTABLE COMFORT AND CUSTOM UPHOLSTERY OF THE DRIVER AND THE PASSENGER HEAD RESTRAINT. Read More »

    EQUIPMENT

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    • TSB #14423

      Date Announced:
      NOV 02, 2015
      NHTSA ID:
      #10089561

      14423 - SPECIAL COVERAGE. SOME VEHICLES CONTAIN A FUEL TANK INLET CHECK VALVE (ICV) THAT COULD FRACTURE. THE ICV IS LOCATED ABOVE THE FULL FUEL LEVEL. Read More »

    EQUIPMENT:ELECTRICAL

    • TSB #PIC5050A

      Date Announced:
      APR 19, 2016
      NHTSA ID:
      #10083489

      THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. Read More »

    • TSB #08-089

      Date Announced:
      JUN 01, 2008
      NHTSA ID:
      #10026586

      BUICK\CADILLAC\CHEVROLET\GMC\HUMMER\OLDSMOBILE\PONTIAC\SAAB\SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. Read More »

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

    • TSB #16NA260

      Date Announced:
      AUG 26, 2016
      NHTSA ID:
      #10082506

      THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO ... Read More »

    • TSB #PIC5088F

      Date Announced:
      APR 21, 2016
      NHTSA ID:
      #10083509

      THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN. THE VEHICLE'S XM RADIO ONLY HAS XM PREVEIW CHANNELS. Read More »

    EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)

    • TSB #PIT5485B

      Date Announced:
      APR 27, 2016
      NHTSA ID:
      #10083898

      THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE, TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE. Read More »

    • TSB #PIT5389A

      Date Announced:
      APR 19, 2016
      NHTSA ID:
      #10083884

      THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS FOR DIAGNOSING THE CONCERN. THE VEHICLE MAY BE UNABLE TO CONNECT TO ONSTAR USING THE WHITE, BLUE OR RED ONSTAR BUTTONS. Read More »

    • TSB #PIT5485A

      Date Announced:
      APR 08, 2016
      NHTSA ID:
      #10083900

      THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN, IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE. Read More »

    • TSB #08089-B

      Date Announced:
      NOV 01, 2008
      NHTSA ID:
      #10027804

      GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE Read More »

    EQUIPMENT ADAPTIVE/MOBILITY

    • TSB #16NA383

      Date Announced:
      JAN 02, 2020
      NHTSA ID:
      #10171878

      This informational bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or misfire, MIL with DTCs, and explains how Top Tier ... Read More »

    EQUIPMENT:APPLIANCE:AIR CONDITIONER

    • TSB #PIT3712A

      Date Announced:
      SEP 03, 2019
      NHTSA ID:
      #10165862

      This Preliminary information communicates rear HVAC blower operation and diagnostic. Read More »

    • TSB #PIT4204A

      Date Announced:
      AUG 28, 2019
      NHTSA ID:
      #10164788

      This Preliminary information communicates the normal operation of the CJ2 automatic HVAC system Read More »

    • TSB #3152

      Date Announced:
      DEC 01, 2004
      NHTSA ID:
      #10009989

      BLOWER SPEED CHANGES ON ITS OWN. *TC UPDATE. *TT Read More »