Hybrid management: power control unit/module (hpcu)Recall 23V-041 · 2021 Toyota RAV4 Prime
Toyota Motor Engineering & Manufacturing recall 23V-041 covers 16,679 2021 Toyota RAV4 Prime for a hybrid management: power control unit/module (hpcu) problem, reported to NHTSA on February 2, 2023. The manufacturer's latest report (2024 Q4) shows 96% of affected vehicles repaired.
Source: NHTSA recall 23V041000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2021 RAV4 Prime Plug-In Hybrid vehicles. During certain cold weather driving conditions, while driving in EV Mode, the hybrid vehicle control engine control unit (HEV ECU) software may cause the hybrid system to shut down if the accelerator is rapidly pressed to further accelerate the vehicle, resulting in a stall.
The risk
An engine stall increases the risk of a crash.
The fix
Dealers will update the HEV ECU software, free of charge. Owner notification letters are expected to be mailed February 27, 2023. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's number for this recall is 23TA01.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
How fast cars are being fixed
96%repaired
Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA. 446 vehicles were listed as unreachable.