DTC U045A Invalid Data Received From Parking Assist Control Module A: Description

WARNING: This page is about a different car, the 2017 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

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 U045A:00 (Invalid Data Received from Parking Assist Control Module A: No Sub Type Information) - This DTC sets if the PSCM detects an invalid steering angle request signal transmitted by the PAM.