2020 Lexus RX Electrical system Problems
- Complaints
- 4about this part
- Share
- 9%of 47 total for the year
- Median mileage
- 17,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the electrical system of the 2020 Lexus RX, 9% of the 47 complaints for this model year. Where a mileage was given, the median is 17,000 miles. 2 of these say a crash was involved, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I own a 2020 Lexus RX 450h with approximately 129,803 miles. The check engine light came on and the vehicle stored diagnostic trouble code P0A2D, which indicates a failure of the drive motor/temperature sensor circuit that is integrated into the transmission/hybrid motor assembly. According to the Lexus dealer’s diagnosis, the temperature control sensor located on the transmission/hybrid drive unit has failed. …”
NHTSA complaint #11723917, filed 2026-03“The contact owned a 2020 Lexus RX350. The contact stated that while making a left turn into a parking lot at approximately 10 MPH, the vehicle suddenly accelerated on its own and crashed into the side of a Walmart shopping store. The air bags deployed upon impact. The contact and her sister were both taken by ambulance to two separate hospitals. The contact was treated for fractures to her right hand and wrist; screws were placed in her right wrist and another was placed in between her index and middle right finger. …”
NHTSA complaint #11466908, filed 2022-06, 17,000 miles“Contact states they were sitting in DRIVE, with their foot on the brake. When the contact took their foot off the brake, they began to let the vehicle coast to about 5 MPH. Then, the vehicle lunged forward unexpectedly to about 25 MPH, when it collided with a rock. The vehicle had previously spent over 10 days in different dealerships to diagnose issues related to the engine running rough, the car stalling out, and the vehicle driving erratically and lunging forward. The contact only began to have issues with the vehicle after the NHTSA Denso Fuel Pump Recall. …”
NHTSA complaint #11507921, filed 2023-02Related service bulletins
- 11029870Feb 2, 2026OBSOLETE NOTICE February 2, 2026: This bulletin is now obsolete. Please see L-SB-0004-26.
- 11028717Jan 23, 2026Some 2018 – 2025 model year Lexus vehicles equipped with the Enform™ 2.0 Navigation System, require a Special Service Tool (SST) USB flash drive to update the map, points of…
- 11022963Aug 19, 2025Some customers may experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction with the Repair…
- 11020656Jun 13, 2025The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service…
- 11019329Apr 2, 2025To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on…
- 11018326Apr 2, 2025To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on…
- 11014181Jan 14, 2025Some 2018 – 2025 model year Lexus vehicles equipped with the Enform™ 2.0 Navigation System, require a Special Service Tool (SST) USB flash drive to update the map, points of…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 7 | 58% |
| 2025 | 6 | 27% |
| 2024 | 19 | 32% |
| 2023 | 10 | 16% |
| 2022 | 6 | 21% |
| 2021 | 4 | 6% |
| 2020 | 4 | 9% |
| 2019 | 6 | 18% |
| 2018 | 3 | 12% |
| 2017 | 3 | 6% |
| 2016 | 4 | 14% |
| 2015 | 1 | 5% |
| 2013 | 3 | 16% |
| 2012 | 3 | 25% |
| 2011 | 4 | 14% |
| 2010 | 6 | 8% |
| 2009 | 3 | 9% |
| 2008 | 5 | 7% |
| 2007 | 9 | 16% |
| 2006 | 10 | 31% |
| 2005 | 2 | 7% |
| 2004 | 1 | 3% |
Other parts of the 2020 Lexus RX
21 complaintsOther or unknown
8 complaintsEngine
5 complaintsTires
4 complaintsForward collision avoidance
3 complaintsBody and structure
3 complaintsFuel system
2 complaintsBack-over prevention (rear camera)
1 complaintsBrakes
1 complaintsExterior lighting
1 complaintsTransmission and drivetrain
1 complaintsVehicle speed control
1 complaints
← All problems reported for the 2020 Lexus RX
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology