2015 Lexus RX350 problems & reliability
42 owner complaints filed with NHTSA for the 2015 Lexus RX350, 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.
3 complaints report injuries (5 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Unknown OR Other | 10 | 24% |
| Engine | 9 | 21% |
| Fuel/propulsion System | 7 | 17% |
| Vehicle Speed Control | 7 | 17% |
| Air Bags | 5 | 12% |
| Structure | 4 | 10% |
| Electrical System | 3 | 7% |
| Power Train | 2 | 5% |
| Seat Belts | 2 | 5% |
| Service Brakes | 2 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 27,500 miles (middle 50% between 9,750 and 43,000 miles), based on 35 complaints that included mileage.
Complaints by incident year
What owners report
“Tl* the contact owns a 2015 lexus rx350. The contact stated while driving 70 mph, the vehicle loss motive power. The vehicle was unable to be restarted. The contact stated that the power steering warning light was illuminated. The vehicle was taken to an independent mechanic to be diagnosed. The contact was informed…”
Engine · filed Mar 31, 2021
“Engine abruptly stops and I have a 3 second stall, then the car resumes normal operation. Could be a real serious accident without warning. This happened in motion on a highway from a stop light or stop sign or pulling out onto traffic.”
Fuel/propulsion System · filed Feb 26, 2021
“My driver side window turns completely outward when I start my car. It also happens when I lock the door. I have to physically turn it back to the correct position before I can drive. I went to the lexus dealership, and was told that it would cost me over $1200 to have it repaired. I am a disabled senior, and this is…”
Electrical System · filed Feb 12, 2021
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
170 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2015 Lexus RX350. The 10 most recent:
TI: 19LE05 Expired December 1, 2022
KLG Technical In · Service Bulletin/Repair Instructions · issued Dec 1, 2022
DP: Limited Service Campaign KLG expired December 01, 2022
KLG Dealer Packa · Service Bulletin/Repair Instructions · issued Dec 1, 2022
TI: 19LE05 Expired December 1, 2022
19LE05 Technical · Service Bulletin/Repair Instructions · issued Dec 1, 2022
DP: Customer Support Program 19LE05 expired December 1, 2022.
19LE05 Dealer Pa · Service Bulletin/Repair Instructions · issued Dec 1, 2022
Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022
Safety Recall 22 · Service Bulletin/Repair Instructions · issued Apr 13, 2022
TSB: Some 2005 ? 2022 model year Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bulletin to remediate the odor and address…
L-SB-0004-22 · Service Bulletin/Repair Instructions · issued Feb 24, 2022
TSB: This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire harness assembly based on damage type. This Service Bulletin should be used in conjunction with the applicable…
L-SB-0002-22 · Service Bulletin/Repair Instructions · issued Jan 28, 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
OBSOLETE NOTICE July 26, 2021: This bulletin is now obsolete. Please see L-SB-0024-21.
L-SB-0018-14 Obs · Service Bulletin/Repair Instructions · issued Jul 26, 2021
TSB: Some 2007 ? 2022 model year Lexus vehicles in particular geographic areas may exhibit a condition where the HVAC evaporator drain hose has become obstructed with an insect nest. An insect repellent drain hose tip…
L-SB-0024-21 · Service Bulletin/Repair Instructions · issued Jul 26, 2021
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 2015 Lexus RX350 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 2015 Lexus RX350?
- · 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.
- · Owners most often reported problems around 27,500 miles — budget accordingly if the car is approaching that mileage.