Detailed Flow

1. Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred).
2. At the dealer, check whether the customer's vehicle has been registered for the telematics service. If it is not registered, do not replace the TCU, and register for the telematics service.

GO TO 2.

Try to confirm the symptom described by the customer. Verify relation between the symptom and the condition when the symptom is detected.

GO TO 3.

CONSULT

1. Ignition switch ON and wait for 2 seconds or more.
2. Select "Self Diagnostic Result" mode of "IVC".

Are any DTCs detected?

YES

Refer to DTC Index .

NO

GO TO 4.

Refer to Symptom Table .

GO TO 5.

1. After confirming registration status and DTC status, if the phenomenon that the telematics service cannot be used continues for more than 5 minutes and does not resolve, replace the TCU. Refer to Removal and Installation .
2. Refer to symptom described by the customer in step 2.

Is the symptom still present?

YES

GO TO 2.

NO

Inspection End.