Diagnostic Test

VERIFY THE DTC IS ACTIVE
1. Turn the ignition on.
2. With the scan tool, read active DTCs.
  Is this DTC active?
  
  Yes
  - Refer to U11B8-00 LOST COMMUNICATION WITH INTEGRATED CENTER STACK (ICS) and perform the U11B8-00 Lost Communication with Integrated Center Stack (ICS) diagnostic procedure.
  No
  - Refer to COMMUNICATION - DIAGNOSIS AND TESTING and perform the Stored Lost Communication DTCs diagnostic procedure.