Diagnostic Test

VERIFY THE DTC IS ACTIVE

NOTE:

Make sure the battery is fully charged before proceeding.

Turn the ignition on.
With the scan tool, read the active DTCs.
Does the scan tool display: U1715-87-LOST COMMUNICATION WITH YRS?

Yes
- Refer to DTC INDEX and perform the U1715-87-Lost Communication with YRS diagnostic procedure.
No
- Refer to STORED LOST COMMUNICATION DTCS and perform the Stored Lost Communication DTCs diagnostic procedure.