2003 Lexus GX470 Vehicle speed control Problems
- Complaints
- 4about this part
- Share
- 9%of 46 total for the year
- Median mileage
- 112,500miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the vehicle speed control of the 2003 Lexus GX470, 9% of the 46 complaints for this model year. Where a mileage was given, the median is 112,500 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.
“It is possible to simultaneously depress the gas pedal when braking, this causes sudden uncontrollable acceleration I reported the incident too toyota and requested upgraded ecu software that disables the gas pedal while braking toyota refused to provide a simple software fix my wife is a witness.”
NHTSA complaint #10649010, filed 2014-10, 191,000 miles“I was traveling west on a two lane paved road (sutton road) near sutton school. Weather was snowing and road conditions slippery when my accererator failed to return to idle position. I applied brakes as I was approaching a vehicle in front of me traveling in the same direction. The electronic stability control failed to maintain straight direction as per design intent and manuals. Front began sliding to left and rear of vehicle began sliding to right. I ncreased brake pressure and steered into th skid , to the right. …”
NHTSA complaint #10307396, filed 2010-02, 33,102 miles“In 2007 or 2008 the accelerator on my Lexus gx 470 stuck in the wide open position. I had floored the accelerator to pass a truck and when taking my foot off the accelerator the car would not slow down. I was able to apply the brakes with much effort and turn of the ignition. The floor mat was not part of the problem. I then restarted the car and it drove normal. I took the car to the Lexus dealership where I purchased the car new, which is Lexus of mishawaka, indiana. They inspected the car and said they could find nothing wrong and that it was probably the floor mat. …”
NHTSA complaint #10313516, filed 2010-02, 120,000 miles“The contact owns a 2003 Lexus GX470. When she attempted to drive the vehicle into a parking space, it suddenly accelerated and crashed in to a parked vehicle. A police report was not taken and there were no injuries. A local mechanic was unable to diagnose the failure. The failure mileage was 105,000 and the current mileage was 130,000.”
NHTSA complaint #10303531, filed 2010-02, 105,000 milesRelated service bulletins
- 10045639Jul 10, 2012Lexus: precaution information on removal, inspection, installation of accelerator pedal sensor assembly, which requires no lubrication. Models 2001-13 ct200h, es300, 300h, 330…
Vehicle speed control: other model years
Other parts of the 2003 Lexus GX470
11 complaintsSuspension
7 complaintsBrakes
6 complaintsEngine cooling
6 complaintsBody and structure
6 complaintsOther or unknown
5 complaintsElectronic stability control
3 complaintsFuel system
3 complaintsSteering
3 complaintsAir bags
2 complaintsElectrical system
1 complaintsExterior lighting
1 complaints
← All problems reported for the 2003 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