DTC U3000-54: Electric Parking Brake Motor Gear Unit Position Learning Not Completed [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	Electric parking brake motor gear unit position learning not completed
Detection condition	After replacing the DSC HU/CM, it detects that the electric parking brake motor gear unit position learning was not implemented.
Fail-safe	Refer to "DTC Table" and "Fail-safe Function Malfunction Contents Table". (See DTC TABLE [DSC HU/CM (US)] .)
Possible cause	CAUTION: After replacing the DSC HU/CM, if the electric parking brake has never been operated/released, a DTC may be output. After replacing the DSC HU/CM, operate/release the electric parking brake and have the system learn the electric parking brake motor gear unit position. DSC HU/CM internal malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable