Toyota Corolla Cross: Backup Boost Converter

 Lost Communication with Drive Motor Control Module "A" (U011000,U111A87,U115087,U115487,U115887,U117008,U117087)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Note U011000 Lost Communication with Drive Motor Control Module "A" Communication stops between the electric brake booster

 Ultrasonic Sensor (Rear Right Center) Component Internal Failure (C1AE896)

DESCRIPTION The rear center ultrasonic sensor (RRC sensor) is installed on the rear bumper. The clearance warning ECU assembly detects obstacles based on signals it receives from the rear center ultrasonic sensor (RRC sensor). If an open circuit or other malfunction occurs in the rear center