Toyota Corolla Cross: Door / Hatch

 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)

 Installation

INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 REAR COMBINATION LIGHT ASSEMBLY 81560 - - - CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is fo