NHTSA — Vehicle Speed Control: Cruise Control Problems


pretty bad
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
7,287 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2006 Cadillac DTS engine problems

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2006 Cadillac DTS Owner Comments

problem #5

Jun 062007

DTS 8-cyl

  • Automatic transmission
  • miles


Cruise control does not maintain speed downhills within reason. Freewheel on all downhill grade as fast as gravity allows. Easily can go 15-20 over set speed on normal highway conditions. First vehice owned with this condition. Potential safety and speeding ticket problem. Dealer states thats the way it is. Fix is don't use cruise when there are hills per owners manual.

- Coon Rapids, MN, USA

problem #4

Apr 192006

DTS 8-cyl

  • Automatic transmission
  • 80 miles
The contact owns a 2006 Cadillac Dts. At approximately 55 mph the vehicle accelerated while driving downhill and utilizing the cruise control. The contact stated that the vehicle must be downshifted in order for it to regain normal speed. The contact had taken the vehicle to the dealer several times. The dealer performed a diagnostic and found nothing wrong with the vehicle. The dealer stated that the failure was due to the vehicle's design. The failure mileage was 80, the current mileage was 14,800.

- Richmond, KY, USA

problem #3

Sep 052006

DTS 8-cyl

  • Automatic transmission
  • 6,500 miles
My 2006 Cadillac Dts has adaptive cruise control. I have experienced 3 episodes of police radar interference with this feature. The symptom is that the cc indicates that a car is immediately in front of the vehicle. It sounds the alarm and applies the brakes as strongly as the feature allows. The workaround is to immediately hit the gas or kill the cc to get back up to spped and avoid a rear end collision. I had my dealer test the unit and validate the alignment. The unit tested error free. I have experienced the problem with a Florida state police car 1 time and hillsbourogh county police cars 2 times. I contacted the county and they took a firm position that it couldn't be their radar units. I frankly don't care where the problem is. If other people are experiencing this it will escalate to a fatality inducing situation. I may alo take the pfoblem to the fcc as this is obviously a bandwidth problem on the part of the police radar units or the Cadillac adaptive cc module. Firsy failure occurred when I was following a police cruiser who was approx 200 feet ahead of me and in the adjacent lane (the one to my right) there was no oncoming traffic and no one within 500 feet to the rear. Without warning my car went into emergenct stop and spunded the proximity warning. I tapped the on/off switch and brought the car up to speed. It has also failed as I pass a police car that is sitting perpendicular to the road. The duration is short as you are rapidly passing thru the radar cone. However, I had this happen on the howard franklin bridge over tampa bay and that is a terrible place of a car to suddenly slow down with no apparant warning. I would Venture to guess that few people actually use this feature. It is a fantastic function but it is somewhat complex to use and learn how to anticipate. Please feel free to contact me for additional information. Again, no idea as to which element is a fault.

- Lutz, FL, USA

problem #2

Dec 152006

DTS 8-cyl

  • Automatic transmission
  • 29,853 miles
Cruise control fails to hold set speed at downgrades of 3% or greater. Vehicle continues to increase speed, causing unsafe driving condition. Driver must provide excessive braking to control vehicle speed on downgrades.

- Tobyhanna, PA, USA

problem #1

Jun 012006

DTS 8-cyl

  • Automatic transmission
  • 1 miles
Failure of cruise control to maintain speed within reasonable boundaries on even minimal downhill grades creates unsafe condition.

- Granville, IL, USA

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