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Pinpoint Test K : U0155:87: Notes

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Normal Operation and Fault Conditions 

With the ignition ON, the IPC sends messages to the VDM over the HS-CAN. If the VDM does not receive these messages within a certain time frame, the VDM sets DTCs. For information on the network messages sent to the VDM by the IPC, refer to Vehicle Dynamic Suspension .

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
U0155:87 Lost Communication with Instrument Panel Cluster (IPC) Control Module: Missing Message This DTC sets in continuous memory if any one of the following IPC messages is missing; fuel level, message center display, message center feature configuration and odometer master value. This can be due to a IPC failure, a circuit failure on the HS-CAN or an excessive load on the network.

Possible Causes 

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