DTC Summary

WARNING: This page is about a different car, the 2025 Lexus RX 450h+ and 2024 Lexus RX 450h+. However, it is still accessible from the selected car via links, so may be relevant.

MALFUNCTION DESCRIPTION
This DTC is stored when the hybrid vehicle control ECU determines that the hybrid transaxle assembly has seized or that there is a hybrid transaxle assembly malfunction in the drivetrain. The cause of this malfunction may be one of the following:

Engine malfunction
- Seizure due to insufficient engine oil
- Seizure due to insufficient coolant
- Damaged engine
Hybrid transaxle malfunction
- Seizure due to insufficient ATF
- Damaged hybrid transaxle internal components
- Damaged transmission input damper assembly