Pinpoint Test A : DTC U0100:00: Notes
WARNING: This page is about a different car, the 2016 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostic Overview
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.
Normal Operation and Fault Conditions
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0100:00 | Lost Communication With ECM/PCM "A": No Sub-Type Information | Sets in the BCM if data messages received from the PCM over the HS-CAN are missing for 5 seconds or more. |
Possible Sources
- BCM
- PCM