Diagnostic Test
- VERIFY THE DTC IS ACTIVE
- Turn the ignition on.
- With the scan tool, read the DTCs.
Is this DTC active at this time?
Yes
- Refer to U0001-87-CAN C BUS - NO SIGNAL and perform the U0001-87-CAN C BUS - NO SIGNAL diagnostic procedure.
No
- Refer to DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTCs diagnostic procedure.