DTC C1AE6: Rear Left Sensor Malfunction [08/2019 - ]: Procedure

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2016 - ]

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

   Result

   Result	Proceed to
   Only DTC C1AE6 is output	A
   DTC C1AE6 and C1AED are output	B
   No DTCs are output	C

Result: 

B 

GO TO DTC (C1AED). Refer to  DTC C1AED: Rear Sensor Communication Malfunction [08/2019 - ]  

Result: 

C 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2019 - 07/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [07/2020 - ] 

Result: 

A 

See step  2

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

   Refer to REMOVAL [08/2019 - ]

   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.

   Refer to DTC CHECK / CLEAR [08/2016 - ]

   Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs 

2. Check for DTCs.

   Refer to DTC CHECK / CLEAR [08/2016 - ]

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

   Result

   Result	Proceed to
   DTC C1AE6 is output	A
   No DTCs are output	B

Result: 

A 

REPLACE CLEARANCE WARNING ECU ASSEMBLY. Refer to  REMOVAL [08/2019 - ] 

Result: 

B 

END (REAR LEFT SENSOR WAS DEFECTIVE)