Pinpoint Test A : U0100:87: Notes
WARNING: This page is about a different car, the 2017 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Normal Operation and Fault Conditions
The BCM communicates with the PCM over the HS-CAN. REFER to: Communications Network - System Operation and Component Description .
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0100:87 | Lost Communication With ECM/PCM "A": Missing Message | A continuous memory DTC that sets in the BCM if powertrain data messages received from the PCM over the HS-CAN are missing. |
Possible Sources
- Communication network concern
- Charging system concern
- PCM
- BCM