Pinpoint Test 36: DTC U0163 - Lost Communication With Navigation Control Module (NAV)

PINPOINT TEST 36: DTC U0163 - LOST COMMUNICATION WITH NAVIGATION CONTROL MODULE (NAV)

Normal Operation

The instrument cluster sets DTC U0114 in continuous memory 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, see Communications Network - Control System.

Possible Causes
- ACM
- Passive anti-theft system (PATS) concern

Diagnostic Procedure