Normal Operation and Fault Conditions
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. 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 SASM over the HS-CAN 2. If the SASM does not receive these messages within a certain time frame (usually less than 1 second), the SASM sets DTCs.
DTC DESCRIPTION
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0146:00 | Lost Communication With Gateway "A": No Sub Type Information | Sets in continuous memory and on-demand when the SASM detects any of the GWM messages are missing. This can be due to a GWM failure, a circuit failure on the HS-CAN or an excessive load on the network. |