Pinpoint Test Ac : DTC U0257:00: Notes
Diagnostic Overview
Normal Operation and Fault Conditions
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0257:00 | Lost Communication With Front Controls/Display Interface Module: No Sub Type Information | Set by the ACM, the FCIM and the APIM (with SYNC ®) when it is missing network messages from the FCDIM over the I-CAN for more than 5 seconds with the ignition in the RUN position. |