The daytime running lights are prone to burning out. Our technicians tell us that the light sockets may show signs of heat damage but usually are OK. Always be sure to use the correct replacement bulb for the best life expectancy. The new bulb recommendation for 2001-2003 models is #4114K (trade number).
Daytime Running Lights are Prone to Burning Out on GMC Yukon XL Denali
Average mileage: 103,178 (40,000–190,000)
19 people reported this problem
Viewing 1 - 7 of 7 problem details
my daytime run lights are not working after replacing the passenger side day light bulb. my driverside seat controls stop working soon after. the seat heating control in the driver door has stop working also.
Seems to be melting housing for the driving lights just replaced bulb but have also noticed other sockets melting so new sockets and bulbs
Day time running lights on most all GMC and Chev product burn out
typical gmc, seems all gmc running lights go out on a regular basis, try the installing the longer life bulbs that have a better filiment in them..
The bulb plug is burned out
DRL bulb burns out frequently
Several burned out daytime running lights over the course of owning this vehicle.