DTC C1AE9-96: Ultrasonic Sensor (Rear Right Corner) Component Internal Failure [11/2023 - ]: Procedure

1. Check for DTCs.

   Body Electrical > Clearance Warning > Trouble Codes 

   Result

   Result	Proceed to
   C1AE9-96 is not output	A
   C1AE9-96 is output	B
   C1AE9-96 and C1AE9-87 are output	C

Result: 

A 

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

Result: 

C 

GO TO DTC (C1AE9-87). Refer to  DTC C1AE9-87: Ultrasonic Sensor (Rear Right Corner) Missing Message [11/2023 - ]  

Result: 

B 

See step  2

1. Replace the rear corner ultrasonic sensor RH with a known good one.

   HINT: 

   Refer to REMOVAL [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 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  4

1. Check for DTCs.

   Body Electrical > Clearance Warning > Trouble Codes 

   Result

   Result	Proceed to
   C1AE9-96 is not output	A
   C1AE9-96 is output	B

Result: 

A 

END (REAR CORNER ULTRASONIC SENSOR RH WAS DEFECTIVE) 

Result: 

B 

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