Normal Operation and Fault Conditions
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With the ignition ON, the ATCM sends messages to the ABS module over the HS-CAN 2. If the ABS module does not receive these messages within a certain time frame (usually less than 1 second), the ABS module sets a DTCs. For information on the messages sent to the ABS module by the ATCM, refer to the Description and Operation in the Anti-Lock Brake System (ABS) and Stability Control article.
PPT BM ABS MODULE DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0138:00 | Lost Communication With All Terrain Control Module: No Sub Type Information | Sets when the ABS module does not receive any messages from the ATCM. |
| U0439:00 | Invalid Data Received From All Terrain Control Module; No Sub Type Information | Sets when an invalid mode message is sent from the ATCM. |