Toyota Corolla Cross: Engine & Hybrid System

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use the following procedure listed to troubleshoot the Dynamic Torque Control AWD System. *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT

 Hybrid/EV Battery Positive and Negative Contactor Actuator Stuck Closed (P0AA073)

DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU detects a stuck closed malfunction of a system main relay on the positive (+) terminal side and negative (-) terminal side of the HV battery. The cause of this malfunction may be one of the following: Inverter voltage sensor (VH)