DTC C1A0A: Front Radar Sensor Region Code Mismatch [10/2014 - 10/2015]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. 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 assembly country signal/JPN, NA, EURO, AUS, SAFC, OTHER, TWN, CHINA, THAI, GCC or NOFIX	Actual country code	-

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

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

Result: 

B 

REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY 

(Refer to COMPONENTS [10/2014 - 10/2015] )

Result: 

A 

See step  2

1. Replace the main body ECU (multiplex network body ECU) (Refer to COMPONENTS [10/2014 - ] ).

Result: 

NEXT 

See step  3

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Pre-Collision 2 / Trouble Codes.
5. Clear the DTCs (Refer to DTC CHECK / CLEAR [10/2014 - 10/2015] ).
6. Recheck for DTCs.

   OK

   DTC C1A0A is not output.

Result: 

OK 

END (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) WAS DEFECTIVE) 

Result: 

NG 

REPLACE DRIVING SUPPORT ECU ASSEMBLY 

(Refer to COMPONENTS [10/2014 - 10/2015] )