DTC C1AF3: Fr Sensor Initialization Incomplete [09/2017 - 07/2020]: Procedure

1. Initialize the front center ultrasonic sensor and front corner ultrasonic sensor.

   Refer to CALIBRATION [09/2017 - 07/2020]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Using the Techstream, check for DTCs according to the prompts on the screen.

   HINT: 

   After turning the engine switch from off to on (IG), wait 10 seconds or more before checking for DTCs.

   Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1AF3 is output	A
   DTC C1AF3 is not output	B

   HINT: 

   If DTC C1AF3 is still output after initializing the front center ultrasonic sensor and front corner ultrasonic sensor 3 times, replace the clearance warning ECU assembly.

Result: 

A 

REPLACE CLEARANCE WARNING ECU ASSEMBLY. Refer to  REMOVAL [10/2014 - 05/2019]  , or refer to  REMOVAL [05/2019 - ] 

Result: 

B 

END (FRONT SENSORS WERE NOT INITIALIZED)