Normal Operation and Fault Conditions
With the ignition ON, the VDM 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 DTCs. For information on the messages sent to the ABS module by the VDM, refer to the Network Message Chart in ANTI-LOCK BRAKE SYSTEM (ABS) AND STABILITY CONTROL - SYSTEM OPERATION AND COMPONENT DESCRIPTION
PPT BR ABS MODULE DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0122:87 | Lost Communication With Vehicle Dynamics Control Module: Missing Message | This DTC sets in the ABS module when the dynamic suspension data message from the VDM is missing for at least 5 seconds. |