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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.

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By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
3061C2004-12-03. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES SETTING. *TT
32162004-12-02. Service bulletin. ELECTRICAL SYSTEM:IGNITION. ERRATIC OPERATION OF PERSONALIZATION WITH IGNITION CYCLE. *EH
31722004-11-08. Service bulletin. ELECTRICAL SYSTEM. MULTIPLE ELECTRICAL CONCERNS AND DIAGNOSTIC TROUBLE CODE U1064. VARIOUS MODELS INCLUDING 2005 BUICK RAINIER AND 2005 CHEVROLET TRAILBLAZER. *TT
31162004-11-05. Service bulletin. ELECTRICAL SYSTEM. ENGINE STALLS WHEN AIR CONDITIONING IS TURNED ON AT IDLE. (TO INCLUDE 2005 CHEVROLET TRAILBLAZER, 2005 OLDSMOBILE BRAVADA, AND BUICK RAINIER) *SC UPDATED 01-26-07. *KB
31382004-11-04. Service bulletin. ELECTRICAL SYSTEM. REDUCED POWER LIGHT ON AND DIAGNOSTIC TROUBLE CODE P1680 P1221 AND/OR P1271 STORED IN THE POWER CONTROL MODULE. *SC
15281022004-08-24. Service bulletin. ELECTRICAL SYSTEM. 02-04 4.2L LL8 DIAGNOSTIC TROUBLE CODE P0171. *MJ
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
01802A2004-07-19. Service bulletin. ELECTRICAL SYSTEM. APP SENSOR 2 AND/OR TP SENSOR 2 SIGNAL CIRCUIT VOLTAGES DROP. *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
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
008592004-06-09. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE (DTC) C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES (DTCS) SETTING. *TT *MJ
01968A2004-06-09. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE (DTC) P0171. *TT
016732004-06-03. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODES P1271, P1275 LOW POWER.*MR
016232004-06-03. Service bulletin. ELECTRICAL SYSTEM. 4.2 LL8 ENGINE DIAGNOSTIC TROUBLE CODE P0016 OR P1345 WITH NO DRIVEABILITY SYMPTOMS.*MR
020382004-05-20. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE B1000. *MR
018162004-05-07. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE P0130. *MR *TT
019252004-05-06. Service bulletin. ELECTRICAL SYSTEM. TECH 2 ENGINE DATA INCORRECT- GEN L-TERMINAL SIGNAL COMMAND DATA PARAMETER. *MR
019002004-05-04. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. UNDER HOOD FUSE BLOCK - 125 AMP MEGA FUSE BLOWN. ALSO INCLUDING BUICK RAINIER 2002, 2003. *MR
013542003-11-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. INTERMITTENT DEAD BATTERY. *TT
0522032003-10-28. Service bulletin. ELECTRICAL SYSTEM. INTERMITTENT CONDITION AT VEHICLE START UP IN WHICH THE INSTRUMENT PANEL CLUSTER MAY NOT POWER UP RESULTING IN MOST OF THE DISPLAYS, TELLTALE LIGHTS AND FUNCTIONS BEING INOPERATIVE. DEALERS ARE TO REPROGRAM THE INSTRUMENT CLUSTER SOFTWARE. *TT
030132003-06-26. Service bulletin. ELECTRICAL SYSTEM. INSTRUMENT PANEL CLUSTER GAUGES INOPERATIVE. *TT
020849004A2003-02-27. Service bulletin. ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH. INSTRUMENT PANEL CLUSTER (IPC) GAUGES READ ZERO AT TIMES, GAUGES INOPERATIVE AT TIMES. *TT
0809022002-11-12. Service bulletin. ELECTRICAL SYSTEM:WIRING. INFORMATION ON DIAGNOSING ELECTRICAL WIRING CONNECTOR PROBLEMS ON 2000 THROUGH 2001 U-VANS AS WELL AS OTHER MODELS. *TT
0208460052002-10-04. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. SUBJECT REGARDNG THE ADDITION OF DIAGNOSTIC TROUBLE CODE U1500 FOR GENERATION 4 ONSTAR. *TT

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