Diagnostic Test

VERIFY CHECK FOR AN ACTIVE DTC

NOTE:

Make sure the IOD fuse is installed and the battery is fully charged before proceeding.

Turn the ignition on.
With the scan tool, read DTCs.
Is this DTC active?

Yes
- Refer to DIAGNOSIS AND TESTING and perform the U0141-LOST COMMUNICATION WITH IPM (FCM/TIPM) diagnostic procedure.
No
- Refer to DIAGNOSIS AND TESTING and perform the STORED LOST COMMUNICATION DTCs diagnostic procedure.