2006 Cadillac STS engine problems
20 owner complaints filed with NHTSA name the engine on the 2006 Cadillac STS — 14% 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
“Purchased 2006 cadillac sts built on june 21 2005 last day of 2005 model. Car has had all the issues that 22005 vehicle had. June 23rd 2005 was first day of production. At every corner vin # are noted however for this model the build days which noted by cadillac are the important factors. I don't…”
filed Feb 25, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other STS years
| Year | Reports | Share |
|---|---|---|
| 2008 STS | 9 | 18% |
| 2007 STS | 4 | 8% |
| 2005 STS | 12 | 12% |
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.