Normal Operation and Fault Conditions
With the ignition ON, the BCM sends messages to the ABS module through the GWM over the HS-CAN 1, the GWM relays these message to the ABS module over the HS-CAN 2. If the ABS module does not receive these messages within a certain time frame, the module sets DTCs. For information on the messages sent to the ABS module by the BCM, refer to the Network Message Chart in Description and Operation of Anti-Lock Brake System (ABS) And Stability Control .
PPT D ABS MODULE DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0140:00 | Lost Communication With Body Control Module: No Sub Type Information | Sets when the ABS module does not receive any messages from the BCM |
| U0422:00 | Invalid Data Received From Body Control Module: No Sub Type Information | This DTC sets if the ignition signal status message is invalid for 5 seconds. |