DTC C1B21: ECU Malfunction (CPU); DTC C1B22: ECU Malfunction (Internal Line); DTC C1B23: ECU Malfunction (Substrate Temperature Sensor); DTC C1B25: ECU Malfunction (Flash Memory) [09/2020 - ]: Procedure

1. Replace the DRS ECU (rear steering control ECU).

   Refer to REMOVAL [09/2014 - ]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

END