Pinpoint Test T : DTC U0100:00: Notes
WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0100:00
Normal Operation and Fault Conditions
Refer to Exterior Lighting .
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0100:00 | Lost Communication With ECM/PCM "A": No Sub-Type Information | Sets in continuous memory in the HCM if data messages received from the PCM over the HS-CAN are missing for 5 seconds or more. |
Possible Sources
- Communication concern
- PCM
- HCM