DTC C1AE7-96: Ultrasonic Sensor (Rear Left Center) Component Internal Failure [10/2020 - ]: Procedure

1. Check for DTCs.

   Body Electrical > Clearance Warning > Trouble Codes 

   Result

   Result	Proceed to
   C1AE7-96 is not output	A
   C1AE7-96 is output	B
   C1AE7-96 and C1AE7-87 are output	C

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 11/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 10/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ] 

Result: 

C 

GO TO DTC (C1AE7-87). Refer to  DTC C1AE7-87: Ultrasonic Sensor (Rear Left Center) Missing Message [10/2020 - ]  

Result: 

B 

See step  2

1. Replace the rear center ultrasonic sensor (RLC sensor) with a known good one.

   Refer to REMOVAL [10/2020 - 11/2021] , or refer to REMOVAL [11/2021 - 10/2022] , or refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]

   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
   C1AE7-96 is not output	A
   C1AE7-96 is output	B

Result: 

A 

END (REAR CENTER ULTRASONIC SENSOR [RLC SENSOR] WAS DEFECTIVE) 

Result: 

B 

REPLACE CLEARANCE WARNING ECU ASSEMBLY. Refer to  REMOVAL [10/2020 - 11/2021]  , or refer to  REMOVAL [11/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023]  , or refer to  REMOVAL [10/2023 - ]