Normal Operation and Fault Conditions
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With the ignition ON, the FCIM sends messages to the SASM through the GWM over the MS-CAN. If the SASM does not receive these messages within a certain time frame (usually less than 1 second), the module sets DTCs. For information on the messages sent to the SASM by the FCIM, refer to the Description and Operation in the Anti-Lock Brake System (ABS) and Stability Control article.
PPT CZ ABS MODULE DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0557:82 | Invalid Data Received From Front Controls Interface Module 'A': Alive/Sequence Counter Incorrect/Not Updated | This DTC sets when the SASM does not receive fresh data from the FCIM within the allotted time. |