2004 Lexus RX problems & reliability
40 owner complaints filed with NHTSA for the 2004 Lexus RX, alongside 1 safety recall campaign. 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.
1 complaint report injuries (1 injured).
Federal crash records (FARS 2020–2023): 2004 Lexus RX vehicles were involved in 37 fatal crashes with 16 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Structure → | 12 | 30% |
| Unknown OR Other | 8 | 20% |
| Air Bags | 6 | 15% |
| Power Train | 5 | 13% |
| Exterior Lighting | 4 | 10% |
| Engine | 2 | 5% |
| Seats | 2 | 5% |
| Service Brakes | 2 | 5% |
| Vehicle Speed Control | 2 | 5% |
| Wheels | 2 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 20 reported components →Mileage when problems occurred
Among the 25 complaints that included a usable odometer reading, the median reported incident mileage was 68,000 miles (middle 50% between 52,345 and 118,000 miles).
Complaints by incident year
What owners report
“Odometer reading in vehicle doesn't match information on carfax, zilocar, or title reading. Also sellers may have titled jumped vehicle. Recieved call from owner on title I recieved and she said that she had sold vehicle on 2/4/2026 to couple. I purchased vehicle on 2/13/2026 with her name on title. Odometer was…”
Unknown OR Other · filed Feb 28, 2026
“Dashboard crack in 2024, that started on passenger side near air vent, expanded recently causing the "passenger air bag off" alert to light up and stay on continually. If I were to have a passenger at the time of an accident, the air bag might not deploy, which would be a safety issue. This could possibly lead to a…”
Unknown OR Other · filed Dec 2, 2025
“Power steering very stiff and difficult to steer vsc light on and air bags light goes on and off and unknown cause.”
Exterior Lighting · filed Dec 18, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Unintended and Uncontrolled Acceleration
Recall Query RQ10003 · opened Feb 16, 2010 · closed Mar 1, 2011 · led to recall 11V115000
Technical service bulletins
43 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2004 Lexus RX. The 10 most recent:
To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from…
L-SB-0023-24 · Service Bulletin/Repair Instructions · issued Apr 19, 2024
The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and…
L-SB-0024-24 · Service Bulletin/Repair Instructions · issued Apr 19, 2024
Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal…
L-SB-0022-24 · Service Bulletin/Repair Instructions · issued Apr 19, 2024
Lexus vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the…
L-SB-0021-24 · Service Bulletin/Repair Instructions · issued Apr 19, 2024
Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can…
L-SB-0020-24 · Service Bulletin/Repair Instructions · issued Apr 19, 2024
To prevent brake rotor rust from forming during transportation and storage, wheel film will be used instead of a cardboard type of anti-rust cover. The purpose of the wheel film is to shield the disc brake rotor from…
L-SB-0023-24 · Service Bulletin/Repair Instructions · issued Apr 19, 2024
The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds. If these contaminants settle and…
L-SB-0024-24 · Service Bulletin/Repair Instructions · issued Apr 19, 2024
Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an exposed vehicle, especially the horizontal…
L-SB-0022-24 · Service Bulletin/Repair Instructions · issued Apr 19, 2024
Lexus vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fallout, and rail contamination. Follow the…
L-SB-0021-24 · Service Bulletin/Repair Instructions · issued Apr 19, 2024
Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, welding, etc. This type of contamination can…
L-SB-0020-24 · Service Bulletin/Repair Instructions · issued Apr 19, 2024
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 2004 Lexus RX has 1 NHTSA recall campaign — 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 2004 Lexus RX?
- · 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 68,000 miles. This does not predict when a particular vehicle will develop a problem.