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Service bulletins for the 2003 GMC Sierra

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
32992005-04-21. Service bulletin. ENGINE AND ENGINE COOLING. DIESEL OIL LEAK FROM PCV VENT TUBE. *EH
32942005-04-21. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. HIGHWAY SPEED VIBRATION ON SMOOTH SURFACE. *EH
33862005-04-21. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM. LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS. *TT
33732005-04-21. Service bulletin. AIR BAGS. SIR LIGHT ON STEADY AFTER BULB TEST AND NO DIAGNOSTIC TROUBLE CODES (DTCS). *TT
32922005-04-20. Service bulletin. ENGINE AND ENGINE COOLING. DIESEL ENGINE BALANCE RATES ALL SHOWING ZERO. *EH
32822005-04-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OVERHEAT ON VEHICLES EQUIPPED WITH RPO VYU SNOWPLOW PREP PACKAGE. *TT
32762005-04-20. Service bulletin. POWER TRAIN. 4L80E OUTPUT CARRIER THRUST WASHER CHANGES. *TT
0507300022005-04-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. NEW ESSENTIAL TOOL J 45096 23 AUTOMATIC TRANSMISSION OIL COOLER LINE ADAPTER FOR ALLISON TRANSMISSION. *EH
05021180012005-04-19. Service bulletin. STEERING. QUADRASTEER INTERMITTENT SERVICE 4-WHEEL STEER MESSAGE. *TT
0500900012005-04-19. Service bulletin. ENGINE AND ENGINE COOLING. INFORMATION ON THE PROPER AIR FILTER FOR THE DURAMAX DIESEL. *EH
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
100420022005-04-13. Service bulletin. ELECTRICAL SYSTEM. RPO C82 NO LONGER INCLUDE THE INSTRUMENT PANEL JUMPER WIRING HARNESS. *EH
110620032005-04-11. Service bulletin. ENGINE AND ENGINE COOLING. AIRFLOW SENSOR PROBLEM. *EH
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
100820022005-04-08. Service bulletin. EQUIPMENT. THIS MESSAGE IS TO PROVIDE DEALERS WITH AN AWARENESS OF TWO NEW COMMANDS AVAILABLE VIA VOICE RECOGNITION IN THE ONSTAR GENERATION FIVE EQUIPPED VEHICLES. THE TWO COMMANDS ARE ONSTAR AND EMERGENCY. *TT
082420042005-04-08. Service bulletin. POWER TRAIN. BEARING GROWL OR RATTLE TYPE NOISE WHILE DEPRESSING OR RELEASING THE CLUTCH PEDAL. *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
020601023C2005-03-14. Service bulletin. ENGINE AND ENGINE COOLING. OIL LEAK AT COOLER TO ENGINE BLOCK MATING SURFACE. *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
0406040702005-03-12. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INFORMATION ON THE REVISED FUEL FILTER FOR THE 6.6L DURAMAX DIESEL. *TT
0406030022005-03-11. Service bulletin. ENGINE AND ENGINE COOLING. DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY. *EH
0402320012005-03-11. Service bulletin. STEERING. RELEASE OF STEERING GEAR STUB SHAFT BEARING KIT FOR SERVICE. *TT UPDATED 08-15-07. *KB UPDATED 10/09/07. *NJ
0408500032005-03-10. Service bulletin. SEAT BELTS. ENABLING MEMORY SEAT FEATURE VIA DIC IF FEATURE APPEARS INOPERATIVE. *EH

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