Dc-dc converter may fail and short circuit
Defect 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.
Safety Consequence
A short circuit can cause the dc-dc converter to overheat, increasing the risk of a vehicle fire.
Corrective Action
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.
Similar Recalls
Other recalls from Toyota Motor Engineering & Manufacturing or involving Electrical System.
FAQ: Recall 23V478000
Your rights, the repair process, and what each field on this page means.
What is recall 23V478000?
NHTSA recall 23V478000 was issued by Toyota Motor Engineering & Manufacturing on July 12, 2023. It addresses: Dc-dc converter may fail and short circuit. The recall affects approximately 43,442 vehicles, with the defect involving the Electrical System component.
How do I get this recall repaired?
Contact any authorized Toyota Motor Engineering & Manufacturing dealer and reference NHTSA recall ID 23V478000 or the manufacturer campaign number 23TB07/23LB01. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.