Skip to content
Vehicle speed controlPart report

2005 Lexus GX470 Vehicle speed control Problems

Complaints
4about this part
Share
13%of 30 total for the year
Median mileage
5,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 4 complaints about the vehicle speed control of the 2005 Lexus GX470, 13% of the 30 complaints for this model year. Where a mileage was given, the median is 5,000 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.

“When using the cruise control on my vehicle, it accelerates aggressively to maintain speed when going up hills or when the elevation grade increases. It continues to this day. I know something is wrong but the Lexus dealer has checked it and stated it works as designed .”

NHTSA complaint #10327922, filed 2010-04, 500 miles

“The contact owns a 2005 Lexus GX470. The contact stated that while driving at low speeds and entering her garage, the vehicle suddenly accelerated to the back of the garage. The brakes were applied but failed to engage. The vehicle had not been inspected nor had it been repaired. The manufacturer was contacted who informed her that they were going to contact their lawyers. The failure and current mileages were approximately 55,000. Updated 03/17/11 updated 12/30/11”

NHTSA complaint #10379714, filed 2011-01, 55,000 miles

“The contact owns a 2005 Lexus GX470. The contact attempted to stop the vehicle while driving approximately 25 MPH with her foot on the brake pedal, and it accelerated. The vehicle was taken to the dealer. They test drove it and stated that they were unable to diagnose or duplicate the failure. The Lexus manufacturer was notified. A representative from the manufacturer test drove the vehicle and they were also unable to duplicate the failure or determine the cause of it. The failure mileage was 5,000. Updated 5/24/10 updated 09/07/10”

NHTSA complaint #10313286, filed 2010-02, 5,000 miles

“S10 appropriate handling - letter to the secretary from complaint regarding sudden acceleration of his 2005 toyota Lexus GX470 the consumer stated as her husband was entering the garage, he slowed down to move around a garbage pail in the garage. At that moment, the vehicle suddenly accelerated and hit a storage shelf and then crashed through the rear wall of the garage. The speed of the vehicle caused it to go over the foundation lip of the rear wall. Fortunately, that is what stopped the vehicle from going further . …”

NHTSA complaint #10383841, filed 2011-02

Related service bulletins

Vehicle speed control: other model years

YearComplaintsShare of year
2008323%
2007519%
200614%
2005413%
2004711%
200349%

Other parts of the 2005 Lexus GX470

Air bags
10 complaints
Body and structure
8 complaints
Other or unknown
4 complaints
Brakes
2 complaints
Electrical system
2 complaints
Latches, locks and linkages
2 complaints
Seat belts
2 complaints
Electronic stability control
1 complaints
Seats
1 complaints
Steering
1 complaints
Suspension
1 complaints

← All problems reported for the 2005 Lexus GX470

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