There are 3 stored owner reports matching the lighting leading-label group for the 2005 GMC Sierra in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 3 of 3 matching reports.
Open the full vehicle complaint log (all categories)PASSENGER HEADLIGHT WILL NOT TURN ON. BOTH LOWBEAM AND HIGH BEAM DON?T TURN ON. BULB IS IN WORKING CONDITION, FUSES ARE NOT BLOWN, CAN?T SEEM TO FIND A SOLUTION. THIS MAKES THE VEHICLE VERY DANGEROUS WITH NO RIGHT SIDE VISIBILITY. UNKNOWN REASON BEHIND THE PROBLEM. *TR
TL* THE CONTACT OWNS A 2005 GMC SIERRA 1500. THE CONTACT WAS DRIVING APPROXIMATELY 30 MPH WHEN HE NOTICED THAT THE REAR TAIL LIGHT ASSEMBLY WAS HANGING ABNORMALLY FROM THE VEHICLE. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER AND THE DEALER REPLACED THE TAIL LIGHT ASSEMBLY. THE FAILURE MILEAGE WAS 78,500 AND THE CURRENT MILEAGE WAS 81,000. UPDATED 02/02/11 *CN
FACTORY SYLVANIA RUNNING LIGHT BULBS TO HOT AND SCORCHING/MELTING THE PLASTIC SOCKETS IN GM PICKUP TRUCKS. 2005 TO 2009 THAT'S WHY YOU SEE SO MANY GM TRUCKS INCLUDING CADILLAC ESCALADE WITH ONE OR BOTH OF THE DAY TIME RUNNING LIGHTS NOT WORKING THE SOCKET HAS MELTED FROM THE HEAT OF THE LIGHT BULB. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.