Diagnostic Test
VERIFY DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
NOTE:
Make sure the IOD fuse is installed and battery voltage is between 10 and 16 volts before proceeding.
- With the scan tool, read active Cluster 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.