DTC U0452: Invalid Data Received From Restraints Control Module
WARNING: This page is about a different car, the 2021 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
DTC detecting condition:
CAN data from airbag control module is abnormal.
Trouble symptom:
There is no effect on MFD operation/display.
NOTE:
For the diagnostic procedure, refer to DTC U0074. Ref. to MULTI-FUNCTION DISPLAY (DIAGNOSTICS)>Diagnostic Procedure with Diagnostic Trouble Code (DTC)>DTC U0074 CONTROL MODULE COMMUNICATION BUS "BODY-CAN" OFF .