Pinpoint Test Be : U0100:87: Notes
WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
ICM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0100:87 | Lost Communication With ECM/PCM "A" Module: Missing Message | Sets in continuous memory in the ICM if data messages received from the PCM through the HS-CAN are missing for 5 seconds or longer. |
Possible Sources
- Communication concern
- PCM
- IPC concern