Normal Operation and Fault Conditions
With the ignition ON, the IPC sends messages to the SASM through the GWM and over the HS-CAN 3. If the SASM does not receive these messages within a certain time frame (usually less than 1 second), the SASM sets DTCs.
PPT BB SASM DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0155:00 | Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information | Sets in continuous memory and on-demand when the SASM detects any of the IPC messages are missing. This can be due to a IPC failure, a circuit failure on the HS-CAN or an excessive load on the network. |