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 2000-2003 models is #4114K (trade number).Google+
Car Problem Reports
GMC Yukon XL 1500 Daytime Running Lights are Prone to Burning Out
GMC Yukon XL 1500 Problem
Average Mileage: 115,826 mi (76,952 mi - 156,923 mi)
Visitor, 2001 GMC Yukon XL 1500, 140,583 mi
Passenger-side DTR seems to burn out most often. Have noticed other Yukons with the same light burned out.
Light always burning out
Visitor, 2000 GMC Yukon XL 1500
daytime running lights not working and replaced lights and fasteners but still no luck any ideas. all fuses are good
Visitor, 2004 GMC Yukon XL 1500, 90,000 mi
No problems have developed from this, other than frequent changing of bulbs.
Visitor, 2003 GMC Yukon XL 1500, 147,000 mi
I have to replace my DTR's about every 3-6 months. The housing looks melted but still functional. I have considered replacing the wiring harness.
No fix..keep installing new bulbs, they keep burning out.
ONE SIDE BURNED OUT.