Normal Operation and Fault Conditions
With the ignition ON, the RCM 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, the ABS module sets a DTCs. For information on the messages sent to the ABS module by the RCM, refer to the Description and Operation in the Anti-Lock Brake System (ABS) and Stability Control article.
PPT BH ABS MODULE DTC FAULT TRIGGER CONDITIONS
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U0151:00 | Lost Communication With Restraints Control Module: No Sub Type Information | This DTC sets if any one of the following messages is missing; yaw rate, lateral acceleration, longitudinal acceleration, roll rate or RCM status. |
| U0452:00 | Invalid Data Received From Restraints Control Module: No Sub Type Information | Sets if the ABS module receives invalid longitudinal acceleration data from the RCM. This can be due to an incorrectly installed RCM, an RCM that has not been initialized, or an internal failure of the sensor. |