Toyota Corolla Cross: Back Door Closer Ecu

 Engine Immobiliser System Circuit Short to Battery (B279A12)

DESCRIPTION If the communication line (IMI - EFIO) between the hybrid vehicle control ECU and ID code box (immobiliser code ECU) is stuck high, the hybrid vehicle control ECU will store this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B279A12 E

 Back Door Entry Lock and Unlock Functions do not Operate

DESCRIPTION If the entry lock and unlock functions do not operate for the back door only, the request code may not be being transmitted from the back door. If the entry functions for other doors operate properly, communication between the electrical key transmitter sub-assembly and electrical key an