Recall 23V478000 — ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER Defect in 2021-2022 LEXUS NX450H+
RECALL This recall affects up to 43,442 vehicles.
Recall Summary
| NHTSA Campaign | 23V478000 |
| Manufacturer | Toyota Motor Engineering & Manufacturing |
| Vehicles Affected | 43,442 |
| Component | ELECTRICAL SYSTEM:PROPULSION SYSTEM:DC/DC CONVERTER |
| Date Notified | |
| Affected Vehicles |
Defect Description
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.
Safety 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.
Related Recalls for LEXUS
| Campaign | Vehicle | Component | Date | Affected |
|---|---|---|---|---|
| 25V595000 | 2025 LEXUS RX | ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL | 591,377 | |
| 25V744000 | 2025 LEXUS LC | BACK OVER PREVENTION:DISPLAY FUNCTION | 1,024,407 | |
| 25V577000 | 2024 LEXUS RZ | VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM | 94,320 | |
| 25V059000 | 2025 LEXUS NX | SEAT BELTS:REAR/OTHER:WEBBING | 40,922 | |
| 25V040000 | 2023 LEXUS RX | AIR BAGS:FRONTAL:DRIVER CLOCKSPRING/SPIRAL CASSETTE | 1,716 | |
| 25V028000 | 2019 LEXUS RX | FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP | 858 | |
| 24V482000 | 2025 LEXUS NX HYBRID | SEATS:FRONT ASSEMBLY:HEAD RESTRAINT | 11,418 | |
| 24V911000 | 2025 LEXUS NX | WHEELS:HUB | 70 | |
| 24V381000 | 2023 LEXUS LX | ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL | 102,092 | |
| 24V587000 | 2025 LEXUS UX HYBRID | ELECTRICAL SYSTEM:WIRING | 141 |