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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
0208440202003-03-31. Service bulletin. EQUIPMENT:ELECTRICAL. NO AUDIO OUT OF SPEAKERS AT TIMES. *TT
0206010382003-03-29. Service bulletin. ENGINE AND ENGINE COOLING. ENGINE KNOCK OR LIFTER NOISE. *TT
0201380072003-03-28. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. POOR AIR CONDITIONER PERFORMANCE - AIR CONDITIONER WILL NOT BLOW COLD ENOUGH. *TT
020662003-03-28. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. CUSTOMER SATISFACTION PROGRAM REGARDING BATTERY DRAIN CONDITION. *TT
020592003-03-28. Service bulletin. ELECTRICAL SYSTEM:IGNITION. VOLUNTARY EMISSION RECALL INVOLVING SPARK PLUG REPLACEMENT. *TT
020605005A2003-03-27. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE. EXHAUST / MUFFLER HEAT SHIELD RATTLE, POPPING NOISE UNDER VEHICLE. *TT
0205230042003-03-25. Service bulletin. SERVICE BRAKES, HYDRAULIC. SOME VEHICLES MAY EXHIBIT A REDUCED BRAKE POWER MESSAGE ON THE DRIVER'S INFORMATION CENTER (DIC). *TT
0101022003-02-28. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. FRONT DRIVER AND/OR PASSENGER DOOR LOCK BEZEL IS LOOSE AND FALLING OUT. *TT
0101022003-02-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. VEHICLE WILL NOT START CONDITION. *TT
020730032A2003-02-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON TRANSMISSION CONTROL MODULE FASTLEARN PROCEDURE UPDATE REQUIRED AFTER TRANSMISSION REPAIRS. *TT
020421006A2003-02-14. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). INOPERATIVE 4WD/AWD LAMPS, INOPERATIVE 4WD/AWD SYSTEM. *TT
0205260022003-02-14. Service bulletin. PARKING BRAKE. SCRAPING NOISE FROM REAR OF VEHICLE. *TT
020522004B2003-02-14. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS; SERVICE BRAKES, HYDRAULIC. TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION. *TT
0208420052003-02-14. Service bulletin. EXTERIOR LIGHTING. SNOWPLOW ROOF BEACON (LAMP) INOPERATIVE. *TT
0209400052003-02-14. Service bulletin. SEAT BELTS:REAR/OTHER. AVAILABILITY OF REAR SEAT SHOULDER BELT COMFORT GUIDES. *TT
0209410022003-02-12. Service bulletin. AIR BAGS. AIR BAG LAMP ON, PASSENGER AIR BAG INDICATOR ALWAYS READS OFF, DIAGNOSTIC TROUBLE CODE (DTC) B0092 SET. *TT
0208490072003-02-12. Service bulletin. STRUCTURE:BODY. CENTER CONSOLE LID HARD TO OPEN OR CLOSE. *TT
0205220042003-02-12. Service bulletin. SERVICE BRAKES, HYDRAULIC. TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION. *TT
020601023A2003-02-11. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LEAK AT OIL COOLER TO ENGINE BLOCK MATING SURFACE. *TT
020522004A2003-02-10. Service bulletin. SERVICE BRAKES, HYDRAULIC. TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION. *TT
020592003-02-07. Service bulletin. ELECTRICAL SYSTEM:IGNITION. SPARK PLUG REPLACEMENT. *TT
020662003-02-07. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. POTENTIAL BATTERY DRAIN CONDITION. *TT
2207022002-11-22. Service bulletin. ELECTRICAL SYSTEM. SUBJECT REGARDING NEW ENHANCEMENT FOR TECHNICAL ASSISTANCE CALLS RELATED TO ANY ELECTRICAL ISSUES. *TT
1707022002-11-22. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. SUBJECT REGARDING POWER FOLDING OUTSIDE REARVIEW MIRROR OPERATION PRIOR TO CUSTOMER DELIVERY AND / OR TEST DRIVE. *TT
1507022002-11-22. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. SOME CUSTOMES HAVE COMMENTED THAT WHEN THE MIRROR IS MANUALLY FOLDED INWARD OR OUTWARD, THE MIRROR DOES NOT RETURN TO ITS ORIGINAL POSITION. *TT

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