2003 Lexus GX470 problems & reliability
46 owner complaints filed with NHTSA for the 2003 Lexus GX470, alongside 2 safety recall campaigns. Last verified Aug 8, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
2 complaints report injuries (2 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Power Train → | 11 | 24% |
| Suspension | 7 | 15% |
| Engine and Engine Cooling | 6 | 13% |
| Structure | 6 | 13% |
| Unknown OR Other | 5 | 11% |
| Vehicle Speed Control | 4 | 9% |
| Electronic Stability Control (esc) | 3 | 7% |
| Service Brakes | 3 | 7% |
| Service Brakes, Hydraulic | 3 | 7% |
| Steering | 3 | 7% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 16 reported components →Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Among the 34 complaints that included a usable odometer reading, the median reported incident mileage was 54,000 miles (middle 50% between 7,175 and 117,500 miles).
Complaints by incident year
What owners report
“Vehicle was in low range going in reverse with a trailer very slow when out of nowhere it engaged faster and wouldn't stop accelerating for 15 feet of this and it stopped my foot was not on the gas so there was no reason why it should have engaged in the manner that it did in fact I had both feet on the brake trying…”
Fuel/propulsion System · filed Mar 20, 2019
“We took it to a dealership service center to have brakes and rotors replaced. It was reported to us by the shop that when they raised the truck, it made noises and they felt it was unsafe to continue. They reported to us that the frame was rusted or rotted, especially near the right rearend, and that it was unsafe to…”
Structure · filed Feb 5, 2019
“Frame is rotting from inside out, excessive corrosion on an otherwise spotless vehicle. This is a known issue that was common to the early/mid 2000's toyota tundra, tacoma, and 4runner, the latter of which shares frame components. Toyota, for whatever reason, covered the tundra and tacoma through recalls, but so far…”
Structure · filed Jan 22, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
139 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2003 Lexus GX470. The 10 most recent:
Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022
Safety Recall 22 · Service Bulletin/Repair Instructions · issued Apr 13, 2022
TSB: This Service Bulletin includes procedures to replace damaged or loose front carpet floor retainer(s) without replacing the carpet assembly. Follow the Repair Procedure in this bulletin to replace the loose or…
L-SB-0006-22 · Service Bulletin/Repair Instructions · issued Mar 9, 2022
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. This information must be kept near the point of vehicle sale and be…
Lexus PRO19-02 - · Service Bulletin/Repair Instructions · issued Jan 12, 2022
TSB: Vehicles may display evidence of a fluid leak or fluid seep from powertrain components. This bulletin explains how to determine the differences between a fluid leak versus a fluid seep. Cases that are determined to…
L-SB-0002-20 Rev · Service Bulletin/Repair Instructions · issued Aug 5, 2020
TSB: Vehicles may display evidence of a fluid leak or fluid seep from powertrain components. This bulletin explains how to determine the differences between a fluid leak versus a fluid seep. Cases that are determined to…
L-SB-0002-20 Rev · Service Bulletin/Repair Instructions · issued Aug 5, 2020
TSB: OBSOLETE NOTICE June 23, 2020: This bulletin is now obsolete. Please see L-SB-0023-20.
L-SB-0174-08 Obs · Service Bulletin/Repair Instructions · issued Jun 23, 2020
TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. ST004-01, SU001-08, and L-SB-0174-08. The aforementioned bulletins are obsolete, and any printed versions should be…
L-SB-0023-20 · Service Bulletin/Repair Instructions · issued Jun 23, 2020
Safety Recall and Service Campaign - Technician Certification Requirements
Lexus Safety Re · Service Bulletin/Repair Instructions · issued May 1, 2020
TSB: OBSOLETE NOTICE April 06, 2020: This bulletin is now obsolete. Please see L-SB-0008-20. Replacement Certification Labels and VIN Plates
L-SB-0179-17 Obs · Service Bulletin/Repair Instructions · issued Apr 6, 2020
TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. L-SB-0048-08, PG007-07, PG016-01, PG015-01, PG004-97, PG003-97, PG003-93, PG002-90, L-SB-0048-08, PG007-07, PG016-01…
L-SB-0008-20 · Service Bulletin/Repair Instructions · issued Apr 6, 2020
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2003 Lexus GX470 has 2 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2003 Lexus GX470?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Among complaints with usable mileage, the median reported incident mileage was 54,000 miles. This does not predict when a particular vehicle will develop a problem.