Pinpoint Test I : DTC (Diagnostic Trouble Code) U0155:87: Notes
WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
The IPMA communicates with the IPC through the GWM.
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0155:87 | Lost Communication With Instrument Panel Cluster (IPC) Control Module: Missing Message | A continuous memory DTC that sets in the IPMA if network messages received from the IPC over the HS-CAN3 through the GWM are missing for 10 seconds or more. |
Possible Causes
- Communication network concern
- IPC
- GWM concern
- IPMA (integral to the interior rear view mirror) concern