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Service bulletins for the 2003 Chevrolet Avalanche

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.

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

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Bulletins, newest first
0509410012005-04-19. Service bulletin. AIR BAGS. SUPPLEMENTAL INFLATABLE RESTRAINT (SIR) LIGHT ON, DIAGNOSTIC TROUBLE CODES (DTC) B0026 AND/OR B004. TO INCLUDE 2003-2006 CHEVROLET/GMC FULL SIZE PICKUP AND UTILITY MODELS. *TT
0408460042005-04-19. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. ONSTAR SYSTEM INOPERATIVE ONSTAR SYSTEM STATUS LIGHT IS RED RADIO LOCKED IN PHONE MODE OR DTC B1000. *EH
3300C2005-04-18. Service bulletin. ELECTRICAL SYSTEM:HORN. APPLICATION OF HORN AT HORN PAD INOPERATIVE. RKE FUNCTION FOR PANIC ALARM WORKS. *TT
100820022005-04-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SERVICE ENGINE SOON LIGHT IS ILLUMINATED AND THE VEHICLE MAY NOT START. DIAGNOSTIC TROUBLE CODE P0706, WHICH RELATES TO TRANSMISSION RANGE SWITCH PERFORMANCE MAY BE STORED. *TT
012920042005-04-06. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. BULLETIN 04-08-64-003, FRONT DOOR POWER WINDOW MOTOR ASSEMBLIES - WARRANTY REPAIR INFORMATION. *TT
0401380152005-03-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. DIAGNOSTIC INFORMATION FOR MOAN GROAN OR BOOM NOISE AT IDLE VIBRATION IN STEERING WHEEL OR FELT THROUGH FLOOR WHEN AC COMPRESSOR ENGAGES DO NOT REPLACE AC COMPRESSOR. *EH
0401380142005-03-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HIGH PITCHED TONE HEARD INSIDE VEHICLE WHEN AC COMPRESSOR IS ENGAGED. *EH
0401380132005-03-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC NOT COLD ENOUGH A/C COMPRESSOR DOES NOT ENGAGE . *EH
0406030022005-03-11. Service bulletin. ENGINE AND ENGINE COOLING. DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY. *EH
0408500032005-03-10. Service bulletin. SEAT BELTS. ENABLING MEMORY SEAT FEATURE VIA DIC IF FEATURE APPEARS INOPERATIVE. *EH
0408490072005-03-10. Service bulletin. ELECTRICAL SYSTEM. PERSONAL TRIP BUSINESS TRIP FEATURE MUST BE ON FOR TRIP ODOMETER TO ACCUMULATE. *EH
0401370042005-03-09. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. REVISED AIR CONDITIONING (A/C) SYSTEM PERFORMANCE TEST. *TT
0302360022005-03-08. Service bulletin. STEERING. REVISED STEERING WHEEL POSITION SENSOR OR STEERING SHAFT LOWER BEARING REPLACEMENT PROCEDURE AND STEERING WHEEL POSITION SENSOR CENTERING PROCEDURE. *EH
0308640252005-03-08. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. LEFT CAMPER MIRROR WILL NOT LOCK INTO DETENT WHEN MIRROR IS FOLDED INWARD. *TT
0308460032005-03-08. Service bulletin. EQUIPMENT. DRIVER UNABLE TO CONFIGURE ONSTAR SYSTEM. *TT UPDATE. *TT
0304190032005-03-07. Service bulletin. POWER TRAIN:DRIVELINE. FLUID LEAK FROM FRONT OF VEHICLE ADD TEFLON TAPE TO FRONT AXLE VENT PLUG THREADS. *EH
0409410032005-03-07. Service bulletin. AIR BAGS. PROPER USE OF LABOR OPERATION CODE WHEN DIAGNOSIS LEADS TO SIR PASSENGER PRESENCE SYSTEM REPLACEMENT. *TT
0408480032005-03-07. Service bulletin. VISIBILITY:WINDSHIELD. WINDRUSH AROUND WINDSHIELD. *TT
0401380082005-02-17. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HEAT VENTILATION AND AIR CONDITIONING SYSTEM CANNOT BE CONTROLLED OR DEFAULTS TO DEFROST MODE. *EH
0303100022005-02-16. Service bulletin. TIRES. USE OF CORRECT INSTALLATION PROCEDURE FOR LOOSE HUBCAP ASSEMBLY. THIS SERVICE BULLETIN REPLACES 030310002. *EH
0406040402005-02-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. IDLE INSTABILITY, LOW OR ROUGH IDLE WITH ELECTRONIC THROTTLE CONTROL. *TT
020310001A2005-02-15. Service bulletin. TIRES. SPARE TIRE IS DIFFERENT SIZE THAN OTHER TIRES. THIS SERVICE BULLETIN REPLACES 020310001. *EH UPDATE. *TT
0406010182005-02-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION ON REVISED DESIGN OF INTAKE GASKET AND RELATED BOLTS FOR 2004 MID-YEAR ENHANCEMENT AND PRIOR YEAR SERVICE USAGE. *TT
0408500112005-02-14. Service bulletin. SEAT BELTS. REPAIRING NAPPED SEAT FABRIC. *EH
0408660092005-02-12. Service bulletin. STRUCTURE:BODY. STOWAGE BOX LID STRAP BREAKING. *TT

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