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Vehicle speed controlPart report

2009 Lexus IS 250 Vehicle speed control Problems

Complaints
6about this part
Share
13%of 48 total for the year
Median mileage
7,250miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 6 complaints about the vehicle speed control of the 2009 Lexus IS 250, 13% of the 48 complaints for this model year. Where a mileage was given, the median is 7,250 miles. 2 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 pulling into a parking space. There was a car parked to my left, I was driving slowly to be sure I didn't overlap into a handicap space on my right. Despite my care the car suddenly and independently accelerated forward and struck a building. My car is a 2009 Lexus is250 and was about 6 months old at the time.”

NHTSA complaint #10336754, filed 2010-06, 5,500 miles

“The contact owns a 2009 Lexus is250. The contact stated that while driving at approximately 45 MPH, the accelerator pedal became stuck and the vehicle suddenly accelerated. The contact had to play both feet on the brake pedal, shift into park and turn off the engine to stop the vehicle. The vehicle had not been inspected or repaired at the time of the complaint. The VIN was not available. The current and failure mileages were 5,199.”

NHTSA complaint #10326997, filed 2010-04, 5,199 miles

“The contact owns a 2009 Lexus is250. The contact stated that the vehicle lunged and then accelerated independently. The failure was experienced several times. On one occasion, the failure occurred immediately after start-up and the vehicle accelerated into a neighbor's driveway. The vehicle was taken to the dealer several times for the failure. A diagnostic was performed, but the dealer was unable to determine the failure. The manufacturer was made aware of the failure. The vehicle was not repaired. The approximate failure mileage was 9,000 and the current mileage was 44,000. …”

NHTSA complaint #10514052, filed 2013-05, 9,000 miles

“The contact owns a 2009 Lexus is250. The contact stated that while she was driving out of a parking space the vehicle suddenly accelerated. The contact mentioned that she engaged the brakes but the vehicle did not stop. The vehicle finally stopped when it crashed into a steel pole. None of the air bags deployed. The contact experienced discomfort on the neck and back. The vehicle was towed to a dealer who stated that they were unable to diagnose or duplicate the failure. The manufacturer was contacted and replied by mail stating that it was ok to drive the vehicle. …”

NHTSA complaint #10380787, filed 2011-02, 25,000 miles

“The contact owns a 2009 Lexus IS 250. The contact stated that while at a full stop, he shifted into reverse and there was an abnormal increase in engine rpms. He then shifted into park and shut off the vehicle. After restarting, the vehicle resumed normal operation. The contact stated that weeks prior to the failure, repairs were made to the accelerator pedal under NHTSA campaign id number: 09v388000 (vehicle speed control: accelerator pedal). The contact called the manufacturer regarding the failure and was awaiting a return call. The vehicle was not further repaired. …”

NHTSA complaint #10343674, filed 2010-07, 5,000 miles

Related service bulletins

Vehicle speed control: other model years

YearComplaintsShare of year
201439%
2013120%
2012318%
2011310%
2010410%
2009613%
20081210%
20072210%
20061810%

Other parts of the 2009 Lexus IS 250

Air bags
20 complaints
Other or unknown
7 complaints
Body and structure
6 complaints
Visibility (wipers, defrost, mirrors)
6 complaints
Fuel system
5 complaints
Electrical system
2 complaints
Transmission and drivetrain
2 complaints
Brakes
1 complaints
Engine
1 complaints
Exterior lighting
1 complaints
Latches, locks and linkages
1 complaints
Seat belts
1 complaints

← All problems reported for the 2009 Lexus IS 250

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