Pinpoint Test H : U0256: Notes
DTC Fault Trigger Condition-PCM
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0256 | Lost Communication With Front Controls Interface Module "A" | The PCM sets this DTC if data messages from the FCIM through the GWM are missing. |
Normal Operation and Fault Conditions
REFER to: Module Communications Network .
Possible Sources
- Communications network concern
- FCIM
- GWM
- PCM