Pinpoint Test Ad : DTC U0197: Notes
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Overview
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.
Normal Operation and Fault Conditions
Refer to Information and Entertainment System .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0197 | Lost Communication With Telephone Control Module | Set by the ACM when network messages are missing from the APIM for more than 5 seconds with the ignition in RUN. |