DTC C120E: DRS Control System [09/2014 - 11/2017]: Procedure

1. Check if CAN communication system DTCs are output.

   Refer to DIAGNOSIS SYSTEM [09/2014 - 10/2015] , or refer to DIAGNOSIS SYSTEM [10/2015 - 08/2016] , or refer to DIAGNOSIS SYSTEM [08/2016 - 11/2017]

   Result

   Result	Proceed to
   DTCs are not output.	A
   DTCs are output.	B

Result: 

B 

INSPECT CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 11/2017] 

Result: 

A 

See step  2

1. Check if DRS system DTCs are output.

   Refer to DTC CHECK / CLEAR [09/2014 - 09/2020]

   Chassis > DRS > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output.	A
   DTCs are output.	B

Result: 

A 

REPLACE REAR STEERING CONTROL ECU. Refer to  REMOVAL [09/2014 - ] 

Result: 

B 

INSPECT DRS SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - ]