Toyota Motor Engineering & Manufacturing – DC-DC Converter May Fail and Short Circuit

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.

Affected models: ,

Report Received Date 20230712
NHTSA ID 23V478000
Consequence Summary 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 are expected to be mailed August 7, 2023. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's number for this recall is 23TB07/23LB01.
Recall Code 23TB07/23LB01
Potentially Affected 43442
Fire Risk When Parked No
Do Not Drive No
Recall Link Go to Recall (

What the owner should do?

You can check if your specific car is affected by a recall by entering your Vehicle Identification Number (VIN) on the NHTSA website. The VIN is a unique code that identifies your vehicle and can be found on your car's registration, insurance documents, or near the base of the windshield on the driver's side.

Check recalls by VIN

If the recall involves your car, you should make immediate contact with a dealer or workshop that’s been officially authorised to perform repairs on behalf of the manufacturer and ask for the details.