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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
020421002A2003-04-17. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SERVICE 4WD INDICATOR ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) B2725 SET, TRANSFER CASE SELECTOR SWITCH IS IN ONE POSITION - INDICATOR LAMP INDICATES ANOTHER RANGE IS SELECTED. *TT
0304190022003-04-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SQUEAK, SQUEAL OR WHISTLE NOISE FROM FRONT AXLE. *TT
0304170022003-04-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. WHINE NOISE FROM REAR AXLE. *TT
020421008A2003-04-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SHUDDER, ROCKING MOTION, BINDING, FEELS LIKE VEHICLE IS TUCK IN 4WD WHEN TURNING AT LOW SPEEDS. *TT
0307300012003-04-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. TRANSMISSION SLIPPING OR TORQUE CONVERTER CLUTCH (TCC) INOPERATIVE WITH NO SERVICE ENGINE SOON (SES) LIGHT DISPLAYED AND NO DIAGNOSTIC TROUBLE CODE (DTC) P1870. *TT UPDATE. *TT
0201390062003-02-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. DIAGNOSING POOR AIR CONDITIONER PERFORMANCE - AIR CONDITIONER STOPS BLOWING COLD, AIR CONDITIONER CYCLES ON AND OFF. *TT
0205350062003-02-14. Service bulletin. STEERING:COLUMN. SQUEAK NOISE IN STEERING COLUMN. *TT
0204210082003-02-14. Service bulletin. POWER TRAIN. SHUDDER, ROCKING MOTION, BINDING, FEELS LIKE VEHICLE IS STUCK IN 4WD (CROW HOP) WHEN TURNING AT LOW SPEEDS. *TT
020421006A2003-02-14. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). INOPERATIVE 4WD/AWD LAMPS, INOPERATIVE 4WD/AWD SYSTEM. *TT
0208640212003-02-14. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. OUTSIDE REARVIEW MIRRORS DO NOT RETURN TO THEIR ORIGINAL POSITION AFTER USING CURB VIEW ASSIST FEATURE. *TT
0209400052003-02-14. Service bulletin. SEAT BELTS:REAR/OTHER. AVAILABILITY OF REAR SEAT SHOULDER BELT COMFORT GUIDES. *TT
0208440162003-02-12. Service bulletin. STRUCTURE:BODY. WHINE, BUZZ, GENERATOR WHINE, WHINE TYPE NOISE HEARD ON ACCELERATION. *TT
020309002A2003-02-10. Service bulletin. SUSPENSION. INTERMITTENT BOOM, RUMBLING NOISE AND / OR DISTURBANCE HEARD IN PASSENGER COMPARTMENT WHILE DRIVING AT HIGHWAY SPEEDS. *TT
0201390052003-02-10. Service bulletin. EQUIPMENT. HVAC SYSTEM INOPERATIVE FOR A DRIVE CYCLE, POOR HVAC SYSTEM PERFORMANCE IN HIGH AMBIENT TEMPERATURES. *TT
1907022002-11-22. Service bulletin. UNKNOWN OR OTHER. CUSTOMERS MAY COMMENT THAT THE SERVICE FOUR-WHEEL DRIVE / ALL-WHELL DRIVE INDICATOR ILLUMINATED OR THE FOUR-WHEEL DRIVE / ALL-WHEEL DRIVE IS INOPERATIVE. *TT
020730024A2002-10-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
0204210062002-10-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. SOME CUSTOMERS MAY COMMENT THAT THE 4WD/AWD INDICATOR LIGHTS ON THE SELECTOR SWITCH DO NOT WORK OR THE 4WD/AWD SYSTEM MAY BE INOPERATIVE. *TT
0208460082002-10-03. Service bulletin. UNKNOWN OR OTHER. INFORMATION REGARDING THE ON-STAR MODULE COVER RETAINING TAB BREAKING. *TT

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