There are 2 owner-reported lighting complaints for the 2003 Chevrolet Suburbanin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
RUNNING LAMPS LIGHT BULB SOCKETS APPEAR TO BE DEFECTIVE. NEW LIGHT BULBS DO NOT SOLVE THE PROBLEM. I CONTACTED THE DEALER AND THE PARTS SALESMAN TOLD ME IT IS A COMMON PROBLEM WITH THE WIRING SOCKET AND IT NEEDS TO BE REPLACED. AS I HAVE BEEN DRIVING AROUND I HAVE NOTICED MANY CHEVY SILVERADO'S, SUBURBAN'S, AND TAHOES WITH RUNNING LAMPS INOPERATIVE. *TR
WHILE DRIVING WITH HEADLIGHTS ON THEY WOULD FLICKER OFF AND ON INTERMITTENTLY. THIS WOULD CAUSE POOR VISIBILITY FOR THE DRIVER AT NIGHT. HAD TAKEN VEHICLE TO DEALERSHIP, AND MECHANIC COULD NOT LOCATE THE CAUSE OF THE PROBLEM.*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