Vehicle recall 23V478000 · July 12, 2023
Toyota RAV4 Prime and Lexus NX450H+
The electric current rectifying module contained within the DC-DC converter may have been damaged during production, which can result in an electrical short-circuit.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2021-2022 RAV4 Prime and 2022 Lexus NX450h+ plug-in hybrid electric (PHEV) vehicles. The electric current rectifying module contained within the DC-DC converter may have been damaged during production, which can result in an electrical short-circuit.
- Consequence
- A short circuit can cause the DC-DC converter to overheat, increasing the risk of a vehicle fire.
- Remedy
- Owners are advised not to charge their vehicles when the ambient air temperature is below or expected to drop below 41 degrees Fahrenheit (5 degrees Celsius). Dealers will replace the DC-DC converter, free of charge. Owner notification letters were mailed December 29, 2023. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's number for this recall is 23TB07/23LB01.
- Notes
- Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Recall details
- NHTSA campaign
- 23V478000
- Reported to NHTSA
- July 12, 2023
- Filed by
- Toyota Motor Engineering & Manufacturing
- Manufacturer campaign
- 23TB07/23LB01
- Owner notification
- December 29, 2023
- Vehicles potentially affected
- 43,442
- Initiated by
- the manufacturer
- Components
- Electrical system › Propulsion system › DC/DC converter
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Lexus NX450H+ (2022): 2022
- Toyota RAV4 Prime (2021-2022): 2022, 2021
Has your Lexus been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. Recall repairs are free.