DTC U0452: Invalid Data Received From RCM: Description

The PSCM will monitor the HS-CAN bus when the ignition has been on for more than 5 seconds, when the voltage to the PSCM is greater than 9 volts and when there are no DTCs present that are inhibiting PSCM operation.

• DTC U0452:00 (Invalid Data Received From Restraints Control Module: No Sub Type Information) - This DTC sets if the PSCM receives an invalid or incorrect message from the RCM. This DTC sets If the lateral acceleration message data from the RCM is invalid or missing for more than 5 seconds.
• DTC U0452:22 (Invalid Data Received from Restraints Control Module: Signal Amplitude Greater Than Maximum) - This DTC sets if the lateral acceleration message from the RCM indicates a vehicle lateral acceleration greater that the pre defined limit.