DTC C1A0A: Front Radar Sensor Region Code Mismatch: Procedure

1. Check the Data List for proper functioning of the front radar sensor. Refer to DATA LIST / ACTIVE TEST [09/2012 - ] .
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 matches	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 country specification information for vehicle and sensor 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 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 DRIVING SUPPORT ECU AND COMBINATION METER ASSEMBLY