DTC C0022-56: DSC HU/Cm (Internal Malfunction) [DSC HU/Cm]: Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

System malfunction location	DSC HU/CM (internal malfunction)
Detection condition	The DSC HU/CM detects a mismatch between the calibration data of the inlet solenoid valve stored in the internal memory and the calibration data of the inlet solenoid valve which was initialized when the ignition was switched ON (engine off or on).
Fail-safe	Refer to "DTC Table" and "Fail-safe Function Malfunction Contents Table". (See DTC TABLE [DSC HU/CM (US)] .)
Possible cause	DSC HU/CM internal malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable