2003 Lexus GX470 Brakes Problems
- Complaints
- 6about this part
- Share
- 13%of 46 total for the year
- Median mileage
- 171,700miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the brakes of the 2003 Lexus GX470, 13% of the 46 complaints for this model year. Where a mileage was given, the median is 171,700 miles.
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“When I was driving my Lexus GX470 (2003) with my family on a local street at around 35 MPH, my vehicle suddenly stopped by itself. The brakes engage by itself and the vehicle stability control activated with beeps. Fortunately, no one was behind me. I took my car to the local mechanic, he checked the brakes, calipers..etc, he said everything is fine but he couldn?t find any reason why it happened, he asked me to contact Lexus dealer. …”
NHTSA complaint #10553868, filed 2013-11, 160,000 miles“When releasing the brake pedal, the vehicle makes a thumping noise. At times it feels like someone is tapping me in the rear of the vehicle. I have brought the vehicle in for service 3 times because of this issue and each time I am told it is a normal characteristics of the vehicle.”
NHTSA complaint #10020954, filed 2003-06, 900 miles“When applying the brakes while driving at 60 MPH, the steering wheel vibrates and the vehicle shakes. Dealer cannot determine the cause of the problem. There was a persistent vibration in the steering and it was hard to turn the steering wheel.”
NHTSA complaint #10042653, filed 2003-12Related service bulletins
- 10205319Feb 21, 2013Brake Pedal Force Gauge SST for Parking Brake Inspection.
- 10133849Feb 21, 2013A new Special Service Tool (SST 09709-00002) has been introduced to aid in the inspection procedure for certain vehicles equipped with a floor pedal-type parking brake system…
- 10019657Mar 17, 2006Inconsistent or unusual brake feeling.
- 10016398May 27, 2005Abs with ebd & ba & trac & vsc system. Repair manual correction. 00245-rm100-6u1. 00245-rm105-8u1.
Brakes: other model years
Other parts of the 2003 Lexus GX470
11 complaintsSuspension
7 complaintsEngine cooling
6 complaintsBody and structure
6 complaintsOther or unknown
5 complaintsVehicle speed control
4 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