Toyota Corolla Cross: Transmitter Battery (w/ Smart Key System)

 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)

 Room Temperature Sensor

RemovalREMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 LOWER CENTER INSTRUMENT PANEL FINISH PANEL 55434F - - - 2 COOLER THERMISTOR (ROOM TEMPERATURE SENSOR) 88625Q - - - PROCEDURE 1.