DTC C1231: Lost Communication with Steering Angle Sensor Module [08/2015 - 08/2017]: Procedure
- CHECK OTHER DTC OUTPUT (CAN COMMUNICATION SYSTEM)
- Check if DTC U0073 is output. Refer to DTC CHECK / CLEAR [08/2015 - 08/2019]
.RESULT
Result Proceed to DTC U0073 is not output A DTC U0073 is output B HINT:
DTC U0073 indicates a CAN communication malfunction in the power steering system.
Result:
B
REPAIR CIRCUIT INDICATED BY OUTPUTCODE
(Refer to DTC U0073: Control Module Communication Bus Off [08/2015 - 08/2017] )
Result:
A
See step 2
- Check if DTC U0073 is output. Refer to DTC CHECK / CLEAR [08/2015 - 08/2019]
.
- CHECK OTHER DTC OUTPUT (BRAKE CONTROL SYSTEM)
- Using the Techstream, check for DTCs related to the steering angle sensor and confirm that there are no problems in the brake control system (Refer to DTC CHECK / CLEAR [08/2015 - 08/2017]
).RESULT
Result Proceed to DTC is not output A DTC is output B
Result:
A
REPLACE POWER STEERING ECU ASSEMBLY
(Refer to REMOVAL [08/2015 - 08/2019] )
Result:
B
GO TO VEHICLE STABILITY CONTROL SYSTEM
(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2017] )
- Using the Techstream, check for DTCs related to the steering angle sensor and confirm that there are no problems in the brake control system (Refer to DTC CHECK / CLEAR [08/2015 - 08/2017]
).