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
The hybrid vehicle control ECU detects malfunctions which prevent the rear motor (MGR) inverter shutdown circuit shutting down the hybrid vehicle control system. Detection is performed during the shutdown sequence when the ignition switch is turned off. If rear motor (MGR) inverter operation is detected after a shutdown signal was sent to the rear motor (MGR) inverter, the hybrid vehicle control ECU will determine that there is a malfunction and store this DTC.
The cause of this malfunction may be the following:
Inverter with converter assembly SDWN (MGR) internal circuit malfunction
- Inverter with converter assembly malfunction