2022 Lexus NX450H+, 2021–2022 Toyota RAV4 Prime Recall: Electric current rectifying module contained within the DC-DC converter…
NHTSA campaign 23V478000 · Electrical System · filed Jul 12, 2023 · verified Jul 30, 2026
The defect
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.
The risk
A short circuit can cause the DC-DC converter to overheat, increasing the risk of a vehicle fire.
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 →The fix — what to do
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.
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.
Affected vehicles
Related recalls
More Lexus NX450H+ recalls
Other campaigns involving Lexus vehicles
Source: NHTSA recall database, campaign 23V478000 (manufacturer number 23TB07/23LB01). Data last verified Jul 30, 2026.