DTC C1A10: Front Radar Sensor [11/2017 - 01/2023]: Procedure

1. Replace the millimeter wave radar sensor assembly with a new one.

   Refer to REMOVAL [11/2017 - 01/2023]

2. Perform millimeter wave radar sensor assembly adjustment.

   Refer to ADJUSTMENT [11/2017 - 03/2019] , or refer to ADJUSTMENT [03/2019 - 01/2023]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Clear the DTCs.

   Powertrain > Radar Cruise > Clear DTCs 

2. Perform the following to make sure that the DTC detection conditions are met.

   HINT: 

   If the following conditions are not met, the system cannot detect the malfunction.

   1. Turn the engine switch on (IG).
   2. Turn the dynamic radar cruise control system on using the cruise control main switch (ON/OFF button).
   3. Drive the vehicle at 36 km/h (22 mph) or more for 1 second or more.
3. Check for DTCs.

   Powertrain > Radar Cruise > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1A10 is not output	A
   DTC C1A10 is output	B

Result: 

A 

END (MILLIMETER WAVE RADAR SENSOR ASSEMBLY WAS DEFECTIVE) 

Result: 

B 

REPLACE DRIVING SUPPORT ECU ASSEMBLY. Refer to  COMPONENTS [09/2014 - 01/2023]