Normal Operation
WARNING: This page is about a different car, the 2010 Lincoln MKX and 2010 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
- DTC U0164 (Lost Communication With HVAC Module) - sets in the Instrument Cluster (IC) if the data messages received from the HVAC module over the Medium Speed Controller Area Network (MS-CAN) are missing for 5 seconds or longer.
This pinpoint test is intended to diagnose the following:
- HVAC module
- IC