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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.

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Only bulletins with component: Lighting are shown. Show all

Bulletins, newest first
02-08-42-001J2024-01-19. Service bulletin. EXTERIOR LIGHTING. This informational bulletin provides information for dealers/technicians on Headlamp, Tail Lamp, License Lamp or Fog/Driving Lamp Damage.
01-08-42-001O2023-02-28. Service bulletin. EXTERIOR LIGHTING. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
010842001N2021-08-09. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. This service bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Water Leaks and Replacement Guidelines.
010842001M2019-12-16. Service bulletin. EQUIPMENT; EXTERIOR LIGHTING; EQUIPMENT ADAPTIVE/MOBILITY. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
PIT3219F2019-06-10. Service bulletin. ELECTRICAL SYSTEM; EXTERIOR LIGHTING:HEADLIGHTS. This Preliminary Information communicates to technicians that the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the vehicles was built for Canada (RPO Z49). These vehicles were built with different software that doesn't allow the DRL's or Auto headlamp to be shut off. Canada law prohibits disabling daytime running lamps (DRL's) or auto headlamps.
010842001L2019-03-25. Service bulletin. EXTERIOR LIGHTING. This informational bulletin provides information for dealers/technicians on Exterior Lamp Condensation and Replacement Guidelines.
PIT3219E2018-05-21. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH. This Preliminary Information communicates to techniciansthat the Daytime Running Lamps (DRL's) or the auto headlamps will not shut off when using the daytime running lamp disable switch (Which is part of the headlamp switch), if the vehicles was built for Canada (RPO Z49). These vehicles were built with different software that doesn't allow the DRL's or Auto headlamp to be shut off. Canada law prohibits disabling daytime running lamps (DRL's) or auto headlamps.
01-08-42-001J2018-05-07. Service bulletin. EXTERIOR LIGHTING. This informational bulletin explains condensation in exterior lights and replacment guidelines for warranty replacement.
PIP4138Q2018-02-21. Service bulletin. EXTERIOR LIGHTING. This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
0708420132007-11-02. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT. TURN SIGNAL IN CAMPER STYLE OUTSIDE REARVIEW MIRROR (RPO DPN) DOES NOT ILLUMINATE TURN SIGNAL FLASH (REPLACE UPPER MIRROR GLASS) *NJ
43652007-06-15. Service bulletin. INTERIOR LIGHTING. IPC BACKLIGHTING INOPERATIVE TBC 2A FUSE OPEN. *KB
01188A2004-07-13. Service bulletin. EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT. UNABLE TO LOCATE EMERGENCY LIGHT RELAY AND/OR BLUNT CUT WIRES. *TT
019462004-05-04. Service bulletin. EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS. HAZARD LIGHT FLASHES WHEN TURN SIGNAL APPLIED. *MR
0717032003-10-31. Service bulletin. INTERIOR LIGHTING. SERVICE FOUR-WHEEL DRIVE LIGHT AND THE FOUR-WHEEL DRIVE IS INOPERATIVE. *TT
0308640182003-09-29. Service bulletin. EXTERIOR LIGHTING. OUTSIDE REARVIEW MIRROR COURTESY LAMP FALLS OUT, BULB BURNS OUT. *TT
000842010A2003-09-26. Service bulletin. EXTERIOR LIGHTING. DAYTIME RUNNING LAMP (DRL) BULB REPLACEMENT. *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

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