Normal Operation and Fault Conditions
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With the ignition ON, the PSCM sends messages to the ABS module over the HS-CAN2. If the ABS module does not receive these messages within a certain time frame, the ABS module sets a DTC. For information on the messages sent to the ABS module by the PSCM, refer to the Network Message Chart in Description and Operation in the Anti-Lock Brake System (ABS) and Stability Control article.
PPT AE ABS MODULE DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0131:00 | Lost Communication With Power Steering Control Module: No Sub Type Information | This DTC sets if the ABS module does not receive any messages from the PSCM. |
| U0420:00 | Invalid Data Received From Power Steering Control Module: No Sub Type Information | This DTC sets if the steering column torque message is received with invalid data for longer than the allotted time. Also, if the EPAS Information message is not received for longer than the allotted time. |