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Vehicle speed controlPart report

1999 Cadillac Deville Vehicle speed control Problems

Complaints
11about this part
Share
6%of 187 total for the year
Median mileage
50,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 11 complaints about the vehicle speed control of the 1999 Cadillac Deville, 6% of the 187 complaints for this model year. Where a mileage was given, the median is 50,000 miles. 1 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.

“Multiple occasions where the accelerator pedal sticks. Pressing on the pedal harder will free up the pedal but leads to jerking and unpredictable acceleration. Dealer says this is a very common failure and they have no permanent fix.”

NHTSA complaint #10139762, filed 2005-10, 50,000 miles

“The contact owns a 1999 Cadillac Deville. The contact stated that while driving at 20 MPH the vehicle accelerated independently. The contact mentioned that the throttle became inoperable. The vehicle was towed to an independent mechanic who stated that the throttle body became stuck. The dealer was not notified. The manufacturer was made aware of the failure who did not offer any assistance. The failure and the current mileage was 138,000.”

NHTSA complaint #10476792, filed 2012-09, 138,000 miles

“Consumer states accelerator sticks and to his understanding that this is a well known problem, it has to do with fuel additives in the high test fuel specified by Cadillac in their owners manual, but when consumer reported the issue he was informed by dealership that the problem is an owners issue and the correction would not be covered under warranty .”

NHTSA complaint #561162, filed 2001-05

“While driving 25-30 MPH rpms went up and vehicle started to accelerate. Consumer applied brake, then shifted to neutral. Rpms then went to 45000. Consumer applied brakes to slow down vehicle. Dealer could not find cause. This happened a second time on july 23, 2002. The problem of vehicle accelerating when brake was applied occurred again but the dealer was unable to find the cause.”

NHTSA complaint #8016521, filed 2002-08

“The accelerator sticks hangs due to carbon build up on the accelerator cable. The owner states that he has to step on the pedal very hard in order to depress or unstick. The vehicle is taken in for this failure about every six months. Please describe details ts”

NHTSA complaint #8022970, filed 2002-11

Vehicle speed control: other model years

YearComplaintsShare of year
200511%
200432%
200375%
2002116%
200185%
2000125%
1999116%
1998115%
199731%
19962110%
199511%
199465%
1993910%
1992118%
199178%
19902128%
19891940%
1988829%
198713%
198629%
198515%
1984233%
1983360%

Other parts of the 1999 Cadillac Deville

Air bags
49 complaints
Engine cooling
47 complaints
Brakes
20 complaints
Electrical system
20 complaints
Steering
13 complaints
Suspension
9 complaints
Fuel system
8 complaints
Tires
8 complaints
Body and structure
6 complaints
Visibility (wipers, defrost, mirrors)
6 complaints
Transmission and drivetrain
5 complaints
Engine
4 complaints

← All problems reported for the 1999 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