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DTC U0452-00: SAS Control Module System

WARNING: This page is about a different car, the 2024 Mazda CX-90. However, it is still accessible from the selected car via links, so may be relevant.
U0452-00: (SGC2/DMCM (E-SKYACTIV PHEV)) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location SAS control module system
Electronically controlled brake unit system (unperformed initialization procedure)
SAS control module (poor installation)
Communication error with SAS control module
Error signal received from SAS control module
Detection condition
  • The drive motor control module detects that the electronically controlled brake unit stores the following DTCs.
    • C0061-28:
    • C0061-54:
    • C0061-64:
    • C0062-28:
    • C0062-54:
    • C0062-64:
    • C0062-76:
    • C0063-28:
    • C0063-64:
    • U0151-00:
    • U0452-68:
Fail-safe
  • Not applicable
Possible cause
  1. DTCs are stored in the electronically controlled brake unit. (See DTC TABLE [DSC] .)
    NOTE:
    • If the electronically controlled brake unit stores a DTC, the drive motor control module stores the same DTC or similar.
    • If the drive motor control module stores a DTC even though the electronically controlled brake unit does not store a DTC, clear the DTC as it was for a past malfunction, and then complete the repair.
Repeatability verification procedure
  1. Clear the DTC recorded in the memory. (See CLEARING DTC .)
System wiring diagram
  • Not applicable
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