Pinpoint Test C : U0100:87, U0101:87: Notes
WARNING: This page is about a different car, the 2019 Lincoln MKC. However, it is still accessible from the selected car via links, so may be relevant.
U0100:87, U0101:87
Refer to Module Communications Network for schematic and connector information.
Normal Operation and Fault Conditions
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 are missing. |
| U0101:87 | Lost Communication with TCM: Missing Message | A continuous memory DTC that sets in the BCM if transmission data messages received from the PCM are missing. |
Possible Sources
- Communication network concern
- Battery voltage concern
- PCM
- BCM