2005 Cadillac STS Vehicle speed control Problems
- Complaints
- 6about this part
- Share
- 6%of 101 total for the year
- Median mileage
- 41,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the vehicle speed control of the 2005 Cadillac STS, 6% of the 101 complaints for this model year. Where a mileage was given, the median is 41,000 miles. 4 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I was driving my 2005 Cadillac STS doing about 45 miles and all of a sudden my car lost control. I put on brakes and my car would not stop. I tried steering to the left to avoid trees and my car would not turn it appeared that my accelerator was stuck and my steering wheel would not turn. My car hit three trees and when it struck the third tree I kept applying the brakes it still wouldn't stop then I turned my car off and that's the only way I got it to stop. My back wheel on the passenger side came off and my car was totaled. My air bag did not deploy. …”
NHTSA complaint #10561798, filed 2014-01, 11,000 miles“The consumer has problems with the vehicle not wanting to start. The consumer was told that since the vehicle is completely electric that sometimes the circuits or transmitters blow out, 2005 Cadillac STS. While approaching a red light the brakes failed and the vehicle's speed increased. The consumer purposely ran into a divider to stop the vehicle. The vehicle was towed to the dealer where it remained for 45 days.”
NHTSA complaint #10156284, filed 2006-04, 15,526 miles“While driving my 2005 Cadillac STS in afternoon rush hour traffic the car suddenly loss acceleration. The car would not maintain speed (60 MPH) while driving on the freeway. Had to exit freeway. The car continued to operate only at idle. Everything else was working, but could not get the car to respond to the throttle pedal. Was able to slowly exit and enter a parking lot. Restarted the car and was able to drive off normally. After a few minutes the problem recurred. The dealer had the car 4 different times (over a month total) and was not able to resolve the problem. …”
NHTSA complaint #10542907, filed 2013-09, 123,000 miles“The contact owns a 2005 Cadillac STS. During brake application, he experienced unintended vehicle acceleration. As a consequence he crashed into a tree. The vehicle was taken to the dealership, but the technicians could not identify the cause of the failure. The failure mileage was 74,000.”
NHTSA complaint #10287205, filed 2009-10, 41,000 miles“The contact owns a 2005 Cadillac STS. While driving 15 MPH, the sybilla track light illuminated and the rear of the vehicle began sliding to the left. The contact depressed the brake pedal and the light illuminated again. The vehicle struck the guardrail and caused $7,014.75 worth of damage. The contact was injured. The ABS did not malfunction at all. Onstar stated that the yaw rate sensor malfunctioned. The vehicle was taken to a body shop in springfield, va. The purchase date was unknown. The current and failure mileages were 50,880.”
NHTSA complaint #10223833, filed 2008-04, 50,880 milesVehicle speed control: other model years
Other parts of the 2005 Cadillac STS
23 complaintsTransmission and drivetrain
18 complaintsEngine
12 complaintsAir bags
11 complaintsFuel system
8 complaintsBrakes
7 complaintsEngine cooling
7 complaintsOther or unknown
6 complaintsSeats
6 complaintsExterior lighting
5 complaintsBody and structure
5 complaintsSuspension
5 complaints
← All problems reported for the 2005 Cadillac STS
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology