Toyota Corolla Cross: M20a-fks (battery / Charging)

 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

 Ultrasonic Sensor (Front Left Corner) Missing Message (C1AE187)

DESCRIPTION This DTC is output when an open circuit or short occurs in the communication line between a front corner ultrasonic sensor (FL sensor) and the clearance warning ECU assembly, or when a malfunction occurs in a front corner ultrasonic sensor (FL sensor) on the front. DTC