DTC U3000-53: Maintenance Mode Switching [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	Maintenance mode switching
Detection condition	The electric parking brake system changes to maintenance mode.
Fail-safe	Refer to "DTC Table" and "Fail-safe Function Malfunction Contents Table". (See DTC TABLE [DSC HU/CM (US)] .)
Possible cause	NOTE: If the electric parking brake system switches to the maintenance mode, a DTC is output. After the maintenance mode is finished, the DTC is automatically cleared by switching the ignition ON (engine off or on) from OFF (LOCK). DSC HU/CM internal malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable