Diagnostic Test

WARNING: This page is about a different variant/trim than selected.

VERIFY THE DTC IS ACTIVE

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 the active DTCs.
Is the DTC active at this time?

Yes
- Perform the U1701-87-LOST COMMUNICATION WITH ECM/PCM diagnostic procedure. Refer to DIAGNOSIS AND TESTING .
No
- Perform the STORED LOST COMMUNICATION DTCS diagnostic procedure. Refer to DIAGNOSIS AND TESTING .