There are 3 owner-reported lighting complaints for the 2001 GMC Yukonin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
GOT IN MY VEHICLE ONE MORNING AND LOW BEAM HEAD LIGHTS( DAYTIME RUNNINGS) DID NOT COME ON BUT THE HIGH BEAMS WOULD NOR WOULD THEY COME ONE MANUALLY. I DROVE FOR AWHILE THEN THEY CAME ON. I WOULD DRIVE DOWN THE ROAD AND THEY WILL FLICKER.THEY DO SCOME ONE EVERY ONCE IN AWHILE. NOTHING HAS BEEN DONE AS OF YET. *AK
HEADLIGHTS JUST GO OFF ON LOW BEAM WILL WORK ONLY ON HIGH BEAM. SOMETIMES THEY WORK AND THEN AT OTHER TIMES THEY GO OFF. TOOK TO LOCAL DEALERSHIP IN BRANDON MISSISSIPPI, COULD NOT REPRODUCE, HOWEVER GOT STRANDED WOULDN'T CRANK AT 23900 MILES, BOOSTED, TOOK TO DEALERSHIP, GAUGES WERE CLICKING AND JUMPING BATTERY WAS REPLACED UNDER WARRANTY BUT I AM AFRAID THIS IS NOT THE END OF THIS PROBLEM. WE HAVE HAD THREE GMC'S WITH PREVIOUS BATTERY PROBLEMS WHILE UNDER WARRANTY. DT
THE CONSUMER STATED THE FOG LIGHTS VIBRATED EXCESSIVELY WHEN DRIVING, GREATLY REDUCING THEIR EFFECTIVENESS. DEALER ADVISED PROBLEM WAS DUE TO THE POOR DESIGN OF THE FOG LIGHT MOUNT. *AK OTHER DRIVERS WERE DISTRACTED BY THE SHAKING LIGHT IN THEIR REAR VIEW MIRROR. *SCC *JB
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 25, 2026