DTC Summary
WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.
- MALFUNCTION DESCRIPTION
When the ignition switch is turned from ON (READY) to off, the hybrid vehicle control ECU assembly detects that the high-voltage capacitor inside the hybrid motor control inverter assembly is not discharged.
The cause of this malfunction may be one of the following:
Inverter voltage sensor (VH) internal circuit malfunction
- Voltage sensor (VH) malfunction
- Motor generator control ECU (MG ECU) malfunction
- Communication (wire harness) malfunction
High voltage system malfunction
- Hybrid motor control inverter assembly malfunction