Pinpoint Test M : Lost Communication With IPC (Instrument Panel Cluster) Control Module: Notes
WARNING: This page is about a different car, the 2015 Lincoln MKZ. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Overview
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to: Diagnostic Methods .
Refer to Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The IPC, GSM and TRCM use information contained in messages on the High Speed CAN.
NOTE:
If a GSM self-test is performed, make sure the drivers door is closed and locked.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0155 | Lost Communication With Instrument Panel Cluster (IPC) Control Module | This DTC sets if the TRCM and/or the GSM does not receive some or all of an expected message from the IPC. |
Possible Sources
- Connectors damaged or pushed-out terminals, circuitry open, shorted to power or shorted to ground
- BCM fuse 13 (7.5A)
- IPC