Pinpoint Test X : DTC: U0257:00: Notes
Refer to Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The SCME and the FCIM communicate using the HS-CAN3 and MS-CAN.
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 SCME whenever it has lost communication to the FCIM while SCME input voltage is between 10 and 15.5 volts. |
Possible Causes
- Module communication
- SCME
- FCIM