2006 Cadillac STS electrical system problems
21 owner complaints filed with NHTSA name the electrical system on the 2006 Cadillac STS — 15% of all complaints for this model year.
What owners report
“While driving, the entire panel goes "off" shutting down the car completely. The panel board is completely dark, no electric supply, no gas supply.”
filed Aug 2, 2020
“My car has been diagnosed as having 'extended crank'. My local chevy dealer made approximately fifteen attempts at fixing it to no avail. I'm told it's the check valve, but I have not had that done because all attempts by the dealer didn't work; e.g., new computer (and removed), battery (and…”
filed Mar 15, 2020
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% |
| 2005 STS | 23 | 23% |
Other reported problem areas on the 2006 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.