2003 GMC Yukon XL Denali electrical system problems
13 owner complaints filed with NHTSA name the electrical system on the 2003 GMC Yukon XL Denali — 41% of all complaints for this model year.
What owners report
“About a month a ago my 2003 yukon xl all of a sudden would not drive over15 miles an hr in rush hour traffic. I took the truck to the shop to have diagnostics ran. I was told it was the battery. The truck ran for about a month then all of a sudden the battery was back dead. Returned the truck back…”
filed Dec 12, 2018
“While driving down the road, tachometer stopped working. Tachometer would either show 8,000 rpms or zero rpms no matter what speed or payload was on vehicle. *tr”
filed Apr 7, 2008
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
23-NA-001 · Service Bulletin/Repair Instructions · issued Mar 28, 2025Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to…
General Communication · Service Campaign · issued Aug 26, 2024This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414, E4423, E4491, E4492, or E6961 and…
24-NA-098 · Service Bulletin/Repair Instructions · issued Jun 6, 2024
Electrical System problems in other Yukon XL Denali years
| Year | Reports | Share |
|---|---|---|
| 2002 Yukon XL Denali | 1 | 4% |
| 2001 Yukon XL Denali | 1 | 5% |
Other reported problem areas on the 2003 GMC Yukon XL Denali
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.