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Service bulletins for the 2002 GMC Envoy

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

658 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Bulletins, newest first
15281022004-08-24. Service bulletin. ELECTRICAL SYSTEM. 02-04 4.2L LL8 DIAGNOSTIC TROUBLE CODE P0171. *MJ
3012B2004-08-23. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). THE NVG 136 ALL WHEEL DRIVE (AWD) TRANSFER CASE AND THE 236 AND 246 NVG SELECTABLE TRANSFER CASES OPERATING IN THE AUTO MODE MAY EXHIBIT A CONDITION OF A VIBRATION/SHUDDER DURING LOW SPEED TURNS SUCH AS A PARKING LOT MANEUVER, UP TO APPROXIMATELY 5 MPH. *TT 3012A NOT YET RECEIVED. *TT
30022004-08-23. Service bulletin. POWER TRAIN. 4L60E/4L65E INTERMITTENT NEUTRAL CONDITION WHILE ACCELERATING FROM A STOP OR WHILE DRIVING. *TT 1999-2006 GM CARS, LIGHT DUTY TRUCKS AND UTILITIES. *TT
30162004-08-23. Service bulletin. ELECTRICAL SYSTEM. VARIOUS ELECTRICAL CONCERNS. *TT
0406030052004-08-13. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE. PROPER CONNECTION INFORMATION TO AVOID BLOWN 125 AMP FUSE AND VARIOUS INTERIOR ELECTRICAL SYSTEM CONDITIONS WHEN JUMP STARTING VEHICLE. *TT
040525002B2004-08-13. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE. ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ON, DIAGNOSTIC TROUBLE CODES (DTCS) C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. *TT UPDATE. *TT
0401390022004-08-12. Service bulletin. EQUIPMENT:ELECTRICAL. POOR HEATER PERFORMANCE - 2ND AND 3RD ROW SEATS. *TT
092420022004-08-10. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. OUTSIDE MIRRORS DO NOT RETURN TO THE ORIGINAL POSITION AFTER USING THE REVERSE TILT CURB ASSIST FEATURE. *TT
0404210012004-08-03. Service bulletin. POWER TRAIN:DRIVELINE. DELAYED ENGAGEMENT OF FRONT WHEELS DURING A SLIP CONDITION. *MJ
0406010152004-08-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. NEW DESIGN OIL PICK UP TUBE AND FRONT COVER. *MJ
00877A2004-07-19. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. INTERMITTENT LACK OF HEAT IN 2ND AND 3RD ROW SEATING POSITIONS. *TT
01802A2004-07-19. Service bulletin. ELECTRICAL SYSTEM. APP SENSOR 2 AND/OR TP SENSOR 2 SIGNAL CIRCUIT VOLTAGES DROP. *TT
018432004-07-19. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). CALIBRATION FOR IMPROVED TRANSFER CASE OPERATION IN AWD MODE. *TT
013532004-07-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISFIRE DUE TO INJECTOR FRETTING CORROSION. *TT
020862004-07-12. Service bulletin. POWER TRAIN. 4L60E, 4L65E INTERMITTENT NEUTRAL FROM A STOP OR STEADY SPEED. *TT
020302004-07-09. Service bulletin. POWER TRAIN. PING, POP OR CLICK NOISE FROM THE PROPELLER SHAFT. SERVICE VME. *TT
020532004-07-09. Service bulletin. SERVICE BRAKES, HYDRAULIC. INFORMATION ON RESURFACING THE PARK BRAKE PORTION OF THE REAR BRAKE ROTOR. *TT
00156A2004-07-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.2L LL8 ENGINE ROUGH IDLE - RUN POSSIBLE P1345 OR P0016. *MJ *TT
00731A2004-07-02. Service bulletin. STRUCTURE:BODY. NOISE FROM FRONT OF VEHICLE OVER BUMPS OR UNDER LIGHT ACCELERATION. *TT
010162004-07-01. Service bulletin. ELECTRICAL SYSTEM. ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ON, RED BRAKE LIGHT ON, SERVICE 4WD LIGHT ON, HVAC BLOWER MOTOR INOPERATIVE. *TT
01078E2004-07-01. Service bulletin. STRUCTURE. NOISE FROM INSTRUMENT PANEL CLUSTER TACHOMETER. *TT
021172004-06-23. Service bulletin. POWER TRAIN. TCCM WILL NOT PROGRAM THROUGH TIS. *MJ
040172004-06-22. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS. SPECIAL POLICY ADJUSTMENT - TAIL LAMP/STOP LAMP INOPERATIVE. ANSWERS TO ASSIST IN RESPONDING TO CUSTOMER INQUIRIES. *MJ THIS IS THE FIRST PHASE WHICH WAS RELEASED JUNE 3, 2004. *TT THIS IS THE SECOND PHASE - PHASE II. *TT PHASE III. *TT
020102004-06-09. Service bulletin. ELECTRICAL SYSTEM. IPC (INSTRUMENT PANEL CLUSTER) INTERIOR HEAD LAMPS FLICKER ON 99-04 CHEVROLET, GMC AND CADILLAC FULL SIZE TRUCKS AND UTILITIES AS WELL AS OTHER MODELS. *TT
00686B2004-06-09. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. AUTOMATIC VOLUME FEATURE DIAGNOSIS ON THE UQA BOSE RADIO. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.