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 2.0L & 2.4L - DIAGNOSTIC CODE INDEX and perform the U0141-Lost Communication with IPM (FCM/TIPM) diagnostic procedure.
No
- Refer to STORED LOST COMMUNICATION DTCS and perform the Stored Lost Communication DTCs diagnostic procedure.