Diagnostic Test

ACTIVE DTC 

1. Ignition on, engine not running.
2. With the scan tool, select view DTCs.

   Is the DTC Active at this time?

   Yes 

   • Diagnose the U0002-CAN C BUS OFF PERFORMANCE as the U0001-CAN C BUS CIRCUIT test. Perform the U0001-CAN C Bus diagnostic procedure.

   No 

   • Refer to DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTCs diagnostic procedure.