DTC C1AE2-96: Ultrasonic Sensor (Front Left Center) Component Internal Failure [12/2019 - 11/2023]: Procedure

1. Check for DTCs.

   Body Electrical > Clearance Warning > Trouble Codes 

   Result

   Result	Proceed to
   No DTCs are output	A
   Only DTC C1AE2-96 is output	B
   DTC C1AE2-96 and C1AE2-87 are output	C

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] 

Result: 

C 

GO TO DTC (C1AEC-287). Refer to  DTC C1AE2-87: Ultrasonic Sensor (Front Left Center) Missing Message [12/2019 - 11/2023]  

Result: 

B 

See step  2

1. Replace the front center ultrasonic sensor LH with a known good one.

   Refer to REMOVAL [12/2019 - 11/2023]

   HINT: 

   All of the sensors are interchangeable. To confirm whether a sensor is functioning normally, switch it with a known good sensor from the other end of the vehicle.

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  3

1. Clear the DTCs.

   Body Electrical > Clearance Warning > Clear DTCs 

2. Check for DTCs.

   Body Electrical > Clearance Warning > Trouble Codes 

   Result

   Result	Proceed to
   No DTCs are output	A
   DTC C1AE2-96 is output	B

Result: 

A 

END (FRONT CENTER ULTRASONIC SENSOR LH WAS DEFECTIVE) 

Result: 

B 

REPLACE CLEARANCE WARNING ECU ASSEMBLY. Refer to  REMOVAL [12/2019 - 11/2023]