2003 Lexus RX300 problems & reliability
25 owner complaints filed with NHTSA for the 2003 Lexus RX300. Last verified Aug 7, 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.
3 complaints report injuries (3 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Power Train | 7 | 28% |
| Vehicle Speed Control | 5 | 20% |
| Air Bags | 3 | 12% |
| Electrical System | 3 | 12% |
| Engine and Engine Cooling | 3 | 12% |
| Visibility | 3 | 12% |
| Electronic Stability Control (esc) | 2 | 8% |
| Equipment | 2 | 8% |
| Engine | 1 | 4% |
| Fuel/propulsion System | 1 | 4% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“The contact owns a 2003 Lexus RX300. The contact stated that the HVAC system was inoperable. Additionally, the VSC and check engine warning lights were illuminated while starting the vehicle. The vehicle was diagnosed at an AutoZone with a catalytic converter failure. The vehicle was not repaired. The manufacturer was…”
Visibility · filed Mar 7, 2022
“Airbag light stays on when car is running and when I had it checked out the mechanic said it could inflate at any time. Don't have the money in budget to have done right now.”
Air Bags · filed Nov 4, 2017
“I own a 2003 lexus rx300. After I had came from a completed stop while depressed on the accelerator pedal, the brakes began to lock with the abs brake light illuminated. The vehicle was diagnosed by an independent mechanic who stated the av pump failed or that it maybe something with the electronic control module. The…”
Service Brakes · filed Dec 15, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
54 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2003 Lexus RX300. 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
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
TSB: OBSOLETE NOTICE January 22, 2018: This bulletin is now obsolete. Please see L-SB-0001-18.
L-SB-0021-14_Obs · Service Bulletin/Repair Instructions · issued Jan 24, 2018
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
No NHTSA recall campaigns name the 2003 Lexus RX300 in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
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 RX300?
- · 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.