Toyota Corolla Cross: Front Airbag Sensor

 IG2 Signal Circuit Short to Auxiliary Battery (P253012)

DESCRIPTION The hybrid vehicle control ECU compares the IGP signal to the IG control status signal sent from the certification ECU (smart key ECU assembly) to detect a stuck on malfunction of the IGP signal. HINT: If DTC P253012 is stored, the ignition switch will turn off (READY off). DTC

 Lost Communication with Brake System Control Module Missing Message (U012987)

MONITOR DESCRIPTION The ECM and skid control ECU send and receive signals via CAN communication. If a communication error occurs between the ECM and skid control ECU, the ECM illuminates the MIL and stores this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area MI