Normal Operation and Fault Conditions
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.
PPT BA SASM DTC FAULT TRIGGER CONDITIONS
| 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 HSCAN or an excessive load on the network. |