Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Pinpoint Test I : DTC (Diagnostic Trouble Code) U0155:87: Notes
2021 Ford Edge SE, 4WDSECTION Notes
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 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
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.