Toyota Corolla Cross: ADAS & AD

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

DESCRIPTION The TCM receives signals from the skid control ECU via CAN communication. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before performing troubleshooting for each corresponding ECU or sensor. DTC No.

 ABS Pump Motor Drive Circuit Supply Voltage Circuit Voltage Below Threshold (C116516)

DESCRIPTION The ABS motor relay is built into the brake actuator assembly. When the skid control ECU (brake actuator assembly) operates ABS, TRAC, VSC, brake hold or brake assist, the ABS motor relay turns ON and drives the motor pump built into the brake actuator assembly. If the voltage sup