DTC Summary

WARNING: This page is about a different car, the 2025 Toyota Highlander and 2024 Toyota Highlander. 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 vehicle transaxle assembly has seized or that there is a hybrid vehicle 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 vehicle transaxle internal components
- Damaged transmission input damper assembly