There are 5 owner-reported lighting complaints for the 2003 GMC Yukonin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
TL*THE CONTACT OWNS A 2003 GMC YUKON. WHILE STOPPED AT A LIGHT, THE FRONT HEADLIGHT CAUGHT FIRE. THERE WERE NO WARNING INDICATORS PRIOR TO THE FAILURE. GMC STATED THAT THEY WOULD HAVE A DEALER INSPECT THE VEHICLE AND REPAIR IT AT THE OWNER'S EXPENSE. THE VEHICLE HAS NOT YET BEEN REPAIRED. THE FAILURE AND CURRENT MILEAGES WERE 123,000.
DT*: THE CONTACT STATED THE VEHICLE'S DRIVER SIDE DAY TIME RUNNING LIGHTS KEPT BURNING OUT. THE CONTACT EXPRESSED THE SOCKET PART OF THE BULB OVERHEATED AND MALFORMED. THE DEALER WAS CONTACTED BUT PROVIDED NO SOLUTION. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR INSPECTION. THE MANUFACTURER WAS NOT CONTACTED.
HEAD LIGHT FLICKER WHILE DRIVING AND TURNING OR GOING OVER BUMPS. APPEARS TO MAKE DRIVERS THINK I AM FLASHING MY HIGH BEAMS. DEALER COULD NOT DUPLICATE PROBLEM. VERY DISTRACTING WHILE DRIVING, NOT ONLY TO ME BUT PEOPLE WHO ARE AHEAD OF ME. DEALER WAS NOT VERY CONCERNED ABOUT PROBLEM AND SENT ME ON MY WAY. I FEEL LIKE THIS IS A SAFETY ISSUE AND SHOULD BE TAKEN CARE OF. THIS IS NOT AN INTERMITTENT PROBLEM, IT HAPPENS EVERY TIME I DRIVE AT NIGHT. *JB
'03 YUKON DENALI - WHILE DRIVING IN COMPLETE DARKNESS WHILE MAKING A LEFT SWEEPING TURN EVERY VISIBLE INTERIOR LIGHT TURNS OF AND ON FOR 1-2 SEC. THIS INCLUDES HEADLIGHTS. THIS IS BECOMING VERY DANGEROUS AND DISTRACTING TO OTHER DRIVERS. THE DEALER BLAMES IT ON A LOOSE HEADLIGHT SWITCH. THEY REPLACED IT. THAT DID NOT SOLVE THE PROBLEM. ON ANOTHER NIGHT TRIP, THE SAME EVENT OCCURED AGAIN. THE DEALER REPLACED THE ALTENATOR. IT STILL DOES IT. THE DEALER SAYS THEY NOE HAVE NO IDEA. I REALLY NEED HELP. I'M CONCERNED ABOUT COMPLETE LOSS WHILE IN DARKNESS AND SUBSEQUENTLY HITTING A DIVIDER.*AK
CONSUMER COMPLAINED ABOUT A HEADLIGHT PROBLEM. THEY CAME ON AND WORKED INTERMITTENTLY. BUT WHEN VEHICLE WAS TURNING A CORNER HEADLIGHTS FLICKERED ON AND OFF. DEALERSHIP STATED THEY COUDN'T RESOLVE THE PROBLEM, BUT GMC WAS AWARE OF THE PROBLEM, BUT THERE WAS NOTHING THEY COULD DO. *AK
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.
Data synced from NHTSA on Apr 26, 2026