Pinpoint Test Ab : DTC: U0256:00: Notes
WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The SCMG and SCMH communicate to the FCIM using the CAN.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0256:00 | Lost Communication With Front Controls Interface Module "A": No Sub Type Information | Set by the SCMG/ SCMH whenever it has lost communication to the FCIM for 5 seconds or longer while the SCMG/ SCMH input voltage is between 10 and 15.5 volts. |
Possible Causes
- Module communication
- SCMG/ SCMH
- FCIM