DTC C1AAD: Vehicle Information Initialization Incomplete [09/2017 - 05/2019]: Procedure

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [09/2017 - 05/2019]

   Chassis > LKA/LDA > Trouble Codes 

   HINT: 

   The forward recognition camera communicates with the ECM via CAN communication. Confirm that the CAN communication system is functioning normally before proceeding.

   Result

   Result	Proceed to
   DTC U0100 is not output	A
   DTC U0100 is output	B

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - 05/2019] 

Result: 

A 

See step  2

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Chassis / Front Recognition Camera / Data List.
5. Read the Data List according to the display on the Techstream.

   Chassis > Front Recognition Camera > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Vehicle Information (2WD/4WD)	Vehicle information (drivetrain) stored in forward recognition camera	2WD, 4WD or Unknown	2WD: for 2WD 4WD: for AWD Unknown: Vehicle information not confirmed	-
   Vehicle Information (Conv/HV)	Vehicle information (conventional/hybrid) stored in forward recognition camera	Conv, HV or Unknown	Conv: Conventional HV: Hybrid vehicle Unknown: Vehicle information not confirmed	-

   Chassis > Front Recognition Camera > Data List 

   Tester Display
   Vehicle Information (2WD/4WD)
   Vehicle Information (Conv/HV)

   HINT: 

   • If "Unknown" is displayed, the ECM cannot send vehicle information or the forward recognition camera cannot store the vehicle information. Check for DTCs, replace the ECM if necessary and recheck for DTCs. If the DTC is output again, replace the forward recognition camera.
   • If "Unknown" is not displayed, the DTC is stored even though the vehicle information is stored in the forward recognition camera. Replace the forward recognition camera.

   Result

   Result	Proceed to
   "Unknown" is displayed	A
   "Unknown" is not displayed	B

Result: 

B 

REPLACE FORWARD RECOGNITION CAMERA. Refer to  REMOVAL [09/2017 - 05/2019] 

Result: 

A 

See step  3

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [09/2017 - 05/2019]

   Chassis > LKA/LDA > Clear DTCs 

2. Make sure that the DTC detection conditions are met.

   HINT: 

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

3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [09/2017 - 05/2019]

   Chassis > LKA/LDA > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1AAD is not output	A
   DTC C1AAD is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - 05/2019] 

Result: 

B 

See step  4

1. Replace the ECM.

   Refer to REMOVAL [10/2014 - 05/2019]

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  5

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [09/2017 - 05/2019]

   Chassis > LKA/LDA > Clear DTCs 

2. Make sure that the DTC detection conditions are met.

   HINT: 

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

3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [09/2017 - 05/2019]

   Chassis > LKA/LDA > Trouble Codes 

   Result

   Result	Proceed to
   DTC C1AAD is not output	A
   DTC C1AAD is output	B

Result: 

A 

END (ECM WAS DEFECTIVE) 

Result: 

B 

REPLACE FORWARD RECOGNITION CAMERA. Refer to  REMOVAL [09/2017 - 05/2019]