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Home >> Mazda >> 2023 >> 3 Select, 4D Hatchback >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> On-Board Diagnostic - Dynamic Stability Control (2 Of 2) >> DTC U0300-51: Internal Control Module Software Incompatibility [DSC HU/Control Module] >> Outline
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DTC U0300-51: Internal Control Module Software Incompatibility [DSC HU/Control Module]: Outline

DTC U0300:51 (DSC HU/Control Module) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Internal control module software incompatibility
Detection condition
  • The DSC HU/Control Module detects that software incompatible with the hardware specification was written
Fail-safe Refer to "DTC Table" and "Fail-safe Function Malfunction Contents Table". (See DTC TABLE [DSC HU/Control Module (US)] .)
Possible cause
  • Writing of software incompatible with hardware specification for DSC HU/Control Module implemented
  • DSC HU/Control Module internal malfunction
System wiring diagram Not applicable
Connector diagram Not applicable