2005 Cadillac STS electrical system problems
23 owner complaints filed with NHTSA name the electrical system on the 2005 Cadillac STS — 23% of all complaints for this model year.
What owners report
“Was driving low beam lights went out smelled wires burning left side wire harness was melting I was on my way home on highway 51 north at around d 10:45 in the evening”
filed Jul 17, 2019
“Just bought the vehicle used and I hear a noise coming from the rear back of the car. The key fob wasn't working correctly and drained the battery and I had to buy a new battery. I really don't know what wrong with the vehicle but its driveable for now besides the slight banging noise. It need to…”
filed Aug 29, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723J · Service Bulletin/Repair Instructions · issued Oct 25, 2024
Electrical System problems in other STS years
| Year | Reports | Share |
|---|---|---|
| 2008 STS | 8 | 16% |
| 2007 STS | 11 | 21% |
| 2006 STS | 21 | 15% |
Other reported problem areas on the 2005 Cadillac STS
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.