Pinpoint Test U : U0256:00: Notes
Refer to Module Communications Network.
Normal Operation and Fault Conditions
The PAM communicates with the FCIM through GWM.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0256:00 | Lost Communication With Front Controls Interface Module "A" : No Sub Type Information | Sets in continuous memory in the PAM if messages received from the FCIM are missing for 5 seconds or more. |
Possible Sources
- Communication concern
- FCIM concern
- GWM concern
- PAM (integral to the BCM) concern