DTC C100B-19: Electric Parking Brake Motor Gear Unit [DSC HU/Cm]: Outline

DTC C100B:19 (DSC HU/CM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Electric parking brake motor gear unit
Detection condition	The DSC HU/CM detects excess current in the transistor for the electric parking brake motor gear unit drive.
Fail-safe	Refer to "DTC Table" and "Fail-safe Function Malfunction Contents Table". (See DTC TABLE [DSC HU/CM (US)] .)
Possible cause	Electric parking brake motor gear unit (LH) connector or terminal malfunction Electric parking brake motor gear unit (RH) connector or terminal malfunction DSC HU/CM connector or terminals malfunction Short to ground in electric parking brake motor gear unit (LH) signal circuit Short to ground in electric parking brake motor gear unit (RH) signal circuit Short to power supply in electric parking brake motor gear unit (LH) signal circuit Short to power supply in electric parking brake motor gear unit (RH) signal circuit Short circuit in electric parking brake motor gear unit (LH) signal circuit Short circuit in electric parking brake motor gear unit (RH) signal circuit Electric parking brake motor gear unit (LH) malfunction Electric parking brake motor gear unit (RH) malfunction DSC HU/CM malfunction
Courtesy of MAZDA MOTORS CORP.