Normal Operation

• DTC U0163:00 (Lost Communication With Navigation Control Module: No Sub-Type Information) - sets in the Instrument Panel Cluster (IPC) if data messages received from the Audio Control Module (ACM) over the High Speed Controller Area Network (HS-CAN) are missing. For a complete list of all network messages, refer to MODULE COMMUNICATIONS NETWORK article.

This pinpoint test is intended to diagnose the following: 

• ACM
• IPC