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Fire risk Published 12 Jul 2023 Ref JP-1153530

Toyota/Lexus: Electrical Device and Other

Translated from Japanese · machine translation

Safety-critical recall — fire risk. If your vehicle is affected, contact your dealer before driving.
Country
Japan
Published
12 Jul 2023
Units affected
7617
Reference
JP-1153530

Affected vehicles

Lexus NX 450h+ 2020–2022 Toyota RAV4 PHV 2020–2022

Hazard

The current rectification module in the voltage conversion device (DC-DC converter) has an improper internal component structure. When the module fails during use due to manufacturing variations and other factors, a short circuit may form. This causes the warning light to illuminate and current to continuously flow from the auxiliary battery, generating heat. In the worst case, this may lead to fire.
Show original (日本語)
電圧変換装置(DC-DCコンバータ)の電流整流モジュールにおいて、内部の部品構造が不適切なため、製造ばらつき等により使用過程で当該モジュールが故障した際、短絡回路が形成されることがある。そのため、警告灯が点灯するとともに補機バッテリから電流が流れ続けて発熱し、最悪の場合、火災に至るおそれがある。

Remedy

Replace the DC-DC converter with a corrective parts unit on all vehicles.
Show original (日本語)
全車両、DC-DCコンバータを対策品に交換する。

Official source

View the official recall notice