DTC U3003-68; Abnormal Electric Parking Brake Control Module Power Supply: Notes

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION & POSSIBLE CAUSE

Description	Abnormal electric parking brake control module power supply
Detection condition	The electric parking brake control module detected that the electric parking brake motor gear unit position is unknown.
Fail-safe	Not applicable
Possible cause	NOTE: If the negative battery cable is disconnected during electric parking brake operation, this DTC may be output. The electric parking brake motor gear unit stops at the position where it is neither on the operation nor release side. Power interruption during electric parking brake operation Malfunction occurs during electric parking brake operation Electric parking brake control module malfunction
System wiring diagram	Not applicable