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Pinpoint Test J: DTC (Diagnostic Trouble Code) U0155:00, DTC (Diagnostic Trouble Code) U0155:87: Notes

Refer to Module Communications Network for schematic and connector information.

Normal Operation and Fault Conditions 

The IPMA communicates with the IPC on the HS-CAN3 through the GWM.

Possible Causes 

DTC Description Fault Trigger Conditions
U0155:00 Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information A continuous memory DTC that sets in the IPMA if messages received from the IPC over the HS-CAN3 through the GWM are missing for 10 seconds or more.
U0155:87 Lost Communication With Instrument Panel Cluster (IPC) Control Module: Missing Message