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Service bulletins for the 2003 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.

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

By type

By component

By trouble code

Bulletins, newest first
44862007-10-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ONE OF THE FOLLOWING CONCERNS WHEN PROGRAMMING THE MILEAGE OR THE HOURS INTO AN EXCHANGE INSTRUMENT PANEL CLUSTER THAT IS RECEIVED FROM AN ELECTRONIC SERVICE CENTER (ESC). *NJ
19965842007-09-18. Service bulletin. SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM. BOOM/RUMBLING NOISE AT HIGHWAY SPEED *NJ
0405250022007-08-15. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. (REGROUND EBCM GROUND). *KB
43382007-06-15. Service bulletin. ELECTRICAL SYSTEM. LIGHTS FLICKER ERRATIC OPERATION OF VEHICLES ELECTRONICS. *KB
33002007-03-22. Service bulletin. ELECTRICAL SYSTEM:HORN. HORN INOPERATIVE AT TIMES. *KB
39992007-03-01. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. LIFTGATE GLASS WILL NOT LOCK UNLESS LOCK IS PRESS A SECOND TIME. *KB
31362007-02-22. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION. SLIP CONDITION IN 2ND, 3RD, OR 4TH. DAMAGED 2-4 OR 3-4 CLUTCH. *KB UPDATED 10/31/07. *NJ
39282007-01-29. Service bulletin. STEERING. BIND OR SHUDDER ON TURNS. *KB
0606040482007-01-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 4.2L LL8 ENGINE FLASHING AND/OR MIL/SES LIGHT. ROUGH IDLE, MISFIRE. DTC P0300, P0301, P0302, P0303, P0304, P0305, AND P0306. *KB
0608660112006-11-09. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. REAR LIFTGATE BINDS, IMPROPER FIT. MAY BE CAUSED BY BROKEN WELDS OR CRACKS FORMED AROUND THE TWO INNER WELDS. *KB
0606020032006-03-20. Service bulletin. ENGINE AND ENGINE COOLING. OPERATING CHARACTERISTICS OF THE ELECTRO-VISCOUS (EV) FAN CLUTCH AND DIAGNOSTIC TIPS FOR COOLING FAN NOISE, DELAYED TRANSMISSION SHIFTS AND/OR ENGINE REVVING TOO HIGH. *TT
0608660012006-03-20. Service bulletin. STRUCTURE:BODY:HATCHBACK/LIFTGATE. REVISED LIFTGATE LOCK CYLINDER REPLACEMENT. *TT
38322006-02-22. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. ABS, RED BRAKE ,SVC AND 4WD LIGHT ON HVAC BLOWER INOPERATIVE. *AK UPDATED 1/30/08. *NJ
38572006-02-21. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SUPPLEMENT TO BULLETIN 05-01-37-002A, POOR HEAT PERFORMANCE. *AK
38572006-02-21. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. SUPPLEMENT TO BULLETIN 05-01-37-002A, POOR REAR HEAT PERFORMANCE . *AK
3170E2006-02-16. Service bulletin. INTERIOR LIGHTING; EXTERIOR LIGHTING:HEADLIGHTS. IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER. *AK FB2
3659A2006-02-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SES LIGHT AFTER INTERNAL ENGINE REPAIRS DUE DTC P0016 OR P1345. *TT
0506020122006-01-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) OR CHECK ENGINE LIGHT ON, DTC P0526, P0480, P1481, AND P1484 SET. *TT UPDATED. *KB
3756A2006-01-25. Service bulletin. ELECTRICAL SYSTEM. IPC GAUGES AND AC INOPERATIVE, SEVERAL INDICATORS ILLUMINATE DTCS U1016 U1000. *TT
0506010342006-01-12. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE OIL LEAK AT REAR COVER ASSEMBLY AREA. *TT
0507300312006-01-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E AUTOMATIC TRANSMISSION TORQUE CONVERTER CLUTCH (TCC) SHUDDER, WATER IN TRANSMISSION (REPAIR TRANSMISSION AND REPLACE TRANSMISSION FILLER TUBE, LEVEL INDICATOR AND SEAL). *AK
36142006-01-06. Service bulletin. ENGINE AND ENGINE COOLING. P0300 DUE TO RANDOM MISFIRES NOT FELT - POSSIBLE ACCESSORY PULLEY. *TT
37662006-01-06. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR. FRONT BLOWER INOPERATIVE STAY RUNNING DURING LOW AMBIENT TEMPERATURE. *TT
0506010262005-12-02. Service bulletin. ENGINE AND ENGINE COOLING. INFORMATION ON USE OF BOLT EXTRACTOR TOOL KIT PART NUMBER EN-47702 FOR REMOVING BROKEN CYLINDER HEAD OR MAIN BEARING CAP BOLTS ON INLINE TRUCK ENGINES. *TT
05-04-21-0032005-11-09. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SERVICE 4WD LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) C0374 SET. *TT UPDATED 10/05/07. *NJ INSPECT WIRING HARNESS TO TRANSFER CASE SPEED SENSORS, REPLACE WIRING HARNESS. UPDATED 7/18/08 *PE

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