Pinpoint Test Cl : U0557::00 And U0557:82: Notes

U0557:00 And U0557:82

Normal Operation and Fault Conditions

IPC DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Conditions
U0557:00	Invalid Data Received From Front Controls Interface Module "A": No Sub Type Information	Sets in continuous memory in the IPC if outside air temperature messages received from the FCIM through the GWM are missing for 5 seconds or longer.
U0557:82	Invalid Data Received From Front Controls Interface Module "A": Alive/Sequence Counter Incorrect/Not Updated	Sets in continuous memory in the IPC if outside air temperature messages received from the FCIM through the GWM are missing for 5 seconds or longer.

Possible Sources