Normal Operation and Fault Conditions
WARNING: This page is about a different car, the 2017 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
With the ignition ON, the GWM sends messages to the SECM over the HS-CAN 2 and through the SASM. If the SECM does not receive these messages within a certain time frame, the SECM sets a DTC.
SECM DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0146:00 | Lost Communication With Gateway "A": No Sub Type Information | Sets when the SECM detects any of the GWM messages is missing. This can be due to a GWM or SASM failure, a circuit failure on the HS-CAN2 or an excessive load on the network. |