DTC C1B21: ECU Malfunction (CPU); DTC C1B22: ECU Malfunction (Internal Line); DTC C1B23: ECU Malfunction (Substrate Temperature Sensor); DTC C1B25: ECU Malfunction (Flash Memory) [10/2017 - 10/2020]: Procedure
- REPLACE DRS ECU (REAR STEERING CONTROL ECU)
- Replace the DRS ECU (rear steering control ECU).
Refer to REMOVAL [10/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]
Result
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Result:
NEXT
END
- Replace the DRS ECU (rear steering control ECU).