1989 Cadillac Deville Vehicle speed control Problems
- Complaints
- 19about this part
- Share
- 40%of 48 total for the year
- Median mileage
- 108,000miles
- Trend
- StableComplaints filed in the last 3 full calendar years are within 25% of the 3 years before.
NHTSA recorded 19 complaints about the vehicle speed control of the 1989 Cadillac Deville, 40% of the 48 complaints for this model year. Where a mileage was given, the median is 108,000 miles. 4 of these say a crash was involved, according to the filers.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“While driving vehicle accelerated, and went out of control. Consumer stated there was something called an accelerator motor that malfunctioned. The technician replace the idle speed sensor. Front calipers and rotors burned up. The technician replaced the calipers, rotors and flushed the brake fluid.”
NHTSA complaint #10118953, filed 2005-05, 108,000 miles“1989 Cadillac Deville cp speed actuator - high idle / runaway vehicle - have replaced 3 times problems still happening. Now I will not drive this car for fear of a accident! I went online to see if any other consumers had same problems and it is confirmed! Incidents numerous times .”
NHTSA complaint #10315999, filed 2010-03“Engine raced out of control on startup. Despite my hearing problem, I turned off the ignition before leaving park . If I had put the car in drive I would have smahed into the parked car in front of me. The service station said that the idle speed control unit had failed. It was jammed in the full throttle position and couldn't be repaired.”
NHTSA complaint #706803, filed 1999-05“Runaway throttle, sudden high speed engine conditions that occurred entirely independent of the driver. Stopping required steering to the side of the road and turning off the ignition. Last time it happened it persisted each time engine was restarted.”
NHTSA complaint #9006327, filed 2002-02“While in cruise control mode, put foot on brake to release cruise control, car immediately excelled to 85mph. Reached over to turn off switch on cruise control, at the same time both feet on brakes, trying to slow down, finally put car in neutral, car slowed down.”
NHTSA complaint #9001063, filed 2000-06Vehicle speed control: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2005 | 1 | 1% |
| 2004 | 3 | 2% |
| 2003 | 7 | 5% |
| 2002 | 11 | 6% |
| 2001 | 8 | 5% |
| 2000 | 12 | 5% |
| 1999 | 11 | 6% |
| 1998 | 11 | 5% |
| 1997 | 3 | 1% |
| 1996 | 21 | 10% |
| 1995 | 1 | 1% |
| 1994 | 6 | 5% |
| 1993 | 9 | 10% |
| 1992 | 11 | 8% |
| 1991 | 7 | 8% |
| 1990 | 21 | 28% |
| 1989 | 19 | 40% |
| 1988 | 8 | 29% |
| 1987 | 1 | 3% |
| 1986 | 2 | 9% |
| 1985 | 1 | 5% |
| 1984 | 2 | 33% |
| 1983 | 3 | 60% |
Other parts of the 1989 Cadillac Deville
8 complaintsBrakes
7 complaintsElectrical system
5 complaintsTransmission and drivetrain
4 complaintsFuel system
3 complaintsBody and structure
3 complaintsWheels
3 complaintsSeat belts
2 complaintsSteering
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsEquipment
1 complaintsSeats
1 complaints
← All problems reported for the 1989 Cadillac Deville
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 30, 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