DTC C1A0A: Front Radar Sensor Region Code Mismatch [10/2014 - ]: 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)	Front millimeter wave radar sensor country signal/JPN, NA, EURO, SAFC, OTHER, TWN, CHINA, THAI, GCC or NOFIXN	NA	-

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

   Result	Proceed to
   Country specification information for vehicle and front millimeter wave radar sensor match	A
   Country specification information for vehicle and front millimeter wave radar sensor do not match (Japan←→Europe, Japan←→North America)	B
   Country specification information for vehicle and front millimeter wave radar sensor do not match (North America←→Europe)	C

   HINT: 

   • The country specification information of the driving support ECU is decided by the combination meter. Even if the vehicle and sensor country specification information match, if the country specification information for the vehicle and ECU/meter do not match, it is necessary to replace the ECU and meter.
   • When the country specification information (North America←→Europe) for the vehicle body and sensor do not match, the sensor's information can be overwritten by performing the sensor's axis adjustment.

B → See step   2 

C → See step   3 

A → REPLACE COMBINATION METER AND DRIVING SUPPORT ECU