2023 Lexus RX power train problems
12 owner complaints filed with NHTSA name the power train on the 2023 Lexus RX — 20% of all complaints for this model year.
What owners report
“The vehicle exhibits a severe, load-based mechanical transmission whine strictly during active acceleration. The pitch of the whining sound rises and falls in direct proportion to the engine's RPMs. This vehicle utilizes the Toyota/Lexus 8-speed automatic transmission architecture, which has a…”
filed Aug 21, 2026
“The contact owns a 2023 Lexus RX 500h. The contact stated that while driving at an undisclosed speed, the vehicle was shaking erratically, and the vehicle stopped independently. The contact stated that several unknown warning lights were illuminated and the message to “See the Dealer” was…”
filed Aug 19, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
Some 2023 – 2024 model year RX 350, RX 350h, RX 500h, and 2024 model year TX 350 and TX 500h vehicles may exhibit a rotational clicking noise from one or both front drive shaft assemblies when accelerating while making…
L-SB-0033-24 Rev2 · Service Bulletin/Repair Instructions · issued Jun 12, 2026OBSOLETE NOTICE April 17, 2026: This bulletin is now obsolete. Please see L-SB-0009-26
L-SB-0017-25 Rev2 · Service Bulletin/Repair Instructions · issued Apr 17, 2026Some 2022 – 2024 model year NX 250 and NX 350, and 2023 – 2024 model year RX 350 vehiclesmay exhibit the following condition at vehicle startup when the vehicle is in Park: • A “Shift System Malfunction” message on the…
L-SB-0009-26 · Service Bulletin/Repair Instructions · issued Apr 16, 2026Some 2022 – 2024 model year NX 250 and NX 350, and 2023 – 2024 model year RX 350 vehicles may exhibit both of the following conditions at vehicle startup when the vehicle is in Park: •A “Shift System Malfunction”…
L-SB-0017-25 Rev2 · Service Bulletin/Repair Instructions · issued Mar 10, 2026Some 2023 – 2024 model year RX 350, RX 350h, RX 500h, and 2024 model year TX 350 and TX 500h vehicles may exhibit a rotational clicking noise from one or both front drive shaft assemblies when accelerating while making…
L-SB-0033-24 · Service Bulletin/Repair Instructions · issued Jun 6, 2025
Power Train problems in other RX years
| Year | Reports | Share |
|---|---|---|
| 2024 RX | 5 | 9% |
| 2022 RX | 4 | 14% |
| 2020 RX | 1 | 2% |
| 2019 RX | 2 | 6% |
| 2017 RX | 1 | 2% |
| 2016 RX | 4 | 14% |
| 2015 RX | 3 | 15% |
| 2013 RX | 1 | 5% |
| 2011 RX | 1 | 3% |
| 2010 RX | 3 | 4% |
| 2009 RX | 1 | 3% |
| 2008 RX | 5 | 7% |
Other reported problem areas on the 2023 Lexus RX
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.