DTC U0452: Invalid Data Received From Restraints Control Module: Action
WARNING: This page is about a different car, the 2017 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
This DTC sets if the SECM receives invalid data from the restraint impact event status message. Using a diagnostic scan tool, RETRIEVE and DIAGNOSE all RCM DTCs. REFER to Supplemental Restraint System . If no DTCs are set in the RCM, the concern may be intermittent. SET the ignition to OFF. DISCONNECT and INSPECT all RCM electrical connectors and related in-line connectors for corrosion, bent pins, pushed-out pins and spread terminals. REPAIR as necessary.