DTC C1A0A: Front Radar Sensor Region Code Mismatch: Procedure

1. Using the Techstream, enter the following menus: Powertrain / Radar Cruise / Data List.
   RADAR CRUISE
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Country# (F Radar Sens)	Millimeter wave radar sensor country signal/JPN, NA, EURO, AUS, SAFC, OTHER, TWN, CHINA, THAI, GCC, NOFIX	Actual country code	-

2. Read the Data List and check the country specification information of the millimeter wave radar sensor and vehicle.
   RESULT
   
   

   Result	Proceed to
   Country specification information for vehicle and millimeter wave radar sensor match	A
   Country specification information for vehicle and millimeter wave radar sensor do not match	B

B → See step   4 

A: Go to next step 

1. Replace the main body ECU (multiplex network body ECU). Refer to REMOVAL .

NEXT: Go to next step 

1. Using the Techstream, enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
2. Clear the DTCs. Refer to DTC CHECK / CLEAR .
3. Recheck for DTCs.

   OK

   DTC C1A0A is not output.

NG → See step   5 

OK → END (MAIN BODY ECU WAS DEFECTIVE)