Toyota Corolla Cross: Hybrid Vehicle Control Ecu

 Lost Communication with Brake System Control Module "A" Missing Message (U012987,U023A87)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Test Mode / Check Mode U012987 Lost Communication with Brake System Control Module "A" Missing Message Communication stop occurs between the airbag ECU assembly and Skid con

 DC/DC Converter Temperature Sensor "B" Circuit Voltage Out of Range (P0C3D1C)

DTC SUMMARY MALFUNCTION DESCRIPTION These DTCs indicate that the boost converter temperature sensor (lower) value is abnormal. The cause of this malfunction may be one of the following: Internal inverter malfunction Inverter with converter assembly internal circuit malfunction Hybrid cool