DTC U0452: Invalid Data Received From RCM: Description

The PSCM monitors the HS-CAN when the ignition has been on for more than 5 seconds, the voltage to the PSCM is greater than 9 volts and there are no DTCs present 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 also 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 than a predefined limit.