2021 Lexus RX Electrical system Problems
- Complaints
- 4about this part
- Share
- 6%of 70 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the electrical system of the 2021 Lexus RX, 6% of the 70 complaints for this model year.
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.
“Multiple Models and Model Years Passenger Airbag May Not Deploy NHTSA SENSORS not working. The campaign number is 23V865 : OCS Sensors May Short Circuit An air bag that does not deploy during a crash increases the risk of injury. NHTSA Campaign Number: 23V865000 Manufacturer Toyota Motor Engineering & Manufacturing Components AIR BAGS The official recall release date was December 20, 2023.”
NHTSA complaint #11585425, filed 2024-04“Electronic Parking Brake (EPB), 12V Battery/Electrical System. My vehicle's 12V battery failed, with the dealership measuring voltage below 10V during the event. This caused multiple simultaneous module malfunctions (confirmed by the dealer as caused by the battery failure), including a complete inability to move the vehicle after jump-starting on three separate attempts — the engine ran, but the vehicle would not drive despite a functioning alternator. The vehicle's steering wheel also locked, preventing the car from being pushed to a safe location. …”
NHTSA complaint #11767292, filed 2026-09Related 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…
- 10245475Oct 18, 2023TI: TECHNICAL INSTRUCTIONS FOR 22LC01 DATA COMMUNICATION MODULE (DCM) REPROGRAMMING CERTAIN 2021 MODEL YEAR IS300, IS350, LC500, LC500h, LC500C, LS500, LS500h, NX300, NX300h…
- 10220152May 11, 2022DP: Due to improper programming of the Data Communication Module (DCM), which provides cellular communication in various situations, including emergencies, the driver and Safety…
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 2021 Lexus RX
47 complaintsOther or unknown
7 complaintsBrakes
4 complaintsForward collision avoidance
4 complaintsSeat belts
4 complaintsBody and structure
4 complaintsEngine
2 complaintsTires
2 complaintsVisibility (wipers, defrost, mirrors)
2 complaintsBack-over prevention (rear camera)
1 complaintsExterior lighting
1 complaintsLatches, locks and linkages
1 complaints
← All problems reported for the 2021 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