DTC C1A01: Driving Support ECU [10/2014 - ]: Procedure

CHECK FOR DTC
1. Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Code.
2. Select "Clear" and clear the data.
3. Recheck for DTC.
  OK
  
  DTC C1A01 is not output.
NG → See step 2

OK → See step 3
REPLACE DRIVING SUPPORT ECU. Refer to REMOVAL [10/2014 - ]
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - ]