DTC C1A01: Driving Support ECU [08/2015 - 08/2019]: Procedure

CHECK FOR DTC
1. Clear the DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
2. Check for DTCs (Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] ).
  OK
  
  DTC C1A01 is not output.
Result:

OK

USE SIMULATION METHOD TO CHECK

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - 08/2019] )

Result:

NG

REPLACE DRIVING SUPPORT ECU

(Refer to REMOVAL [08/2015 - 08/2019] )