Purge pump system of a vehicle for purging C-H-gas of a tank system to an induction line of a combustion engine of the vehicle, comprising a purge pump and gas connection lines for connecting the purge pump with the tank system and the induction line, wherein the purge pump system further comprises a brushless DC motor and a control unit, wherein the brushless DC motor comprises a rotor and a stator, wherein the control unit is configured for providing the brushless DC motor with a commutative current to effect a relative rotation of the rotor to the stator, whereby the purge pump system further comprises a shutdown unit for receiving an enable-signal of the vehicle via an enable signal line, wherein the shutdown unit is configured to short-circuit the brushless DC motor as a response to a loss of the enable signal, and wherein • the purge pump system comprises a reset unit for receiving the enable signal, wherein the reset unit is configured to initiate a reset of the control unit as a response to a loss of the enable signal, • the reset unit comprises a first low pass connected to the enable signal line and a reset line of the control unit, wherein the first low pass is configured to block the enable signal from getting to the reset line and to let a signal from the enable signal line through to the reset line as a response to a loss of the enable signal, • the control unit comprises a B6-bridge for providing the commutative current to the brushless DC motor, wherein the B6-bridge comprises a plurality of high side MOSFETS and a plurality of low side MOSFETS, • the shutdown unit comprises a capacitor that is connected to the brushless DC motor via a diode and configured such that the capacitor is charged during operation of the brushless DC motor and cannot be discharged via the diode to the brushless DC motor, wherein the shutdown unit further comprises a second low pass for connecting the enable signal line with a gate of a PMOS of the shutdown unit, wherein the second low pass is configured to block the enable signal from getting to the gate of the PMOS and to let a signal from the enable signal line through to the gate of the PMOS as a response to a loss of the enable signal, wherein the PMOS is configured to discharge the capacitor to the gates of the low side MOSFETS, when the signal is at the gate of the PMOS. • the purge pump system comprises a reset unit for receiving the enable signal, wherein the reset unit is configured to initiate a reset of the control unit as a response to a loss of the enable signal, • the reset unit comprises a first low pass connected to the enable signal line and a reset line of the control unit, wherein the first low pass is configured to block the enable signal from getting to the reset line and to let a signal from the enable signal line through to the reset line as a response to a loss of the enable signal, • the control unit comprises a B6-bridge for providing the commutative current to the brushless DC motor, wherein the B6-bridge comprises a plurality of high side MOSFETS and a plurality of low side MOSFETS, • the shutdown unit comprises a capacitor that is connected to the brushless DC motor via a diode and configured such that the capacitor is charged during operation of the brushless DC motor and cannot be discharged via the diode to the brushless DC motor, wherein the shutdown unit further comprises a second low pass for connecting the enable signal line with a gate of a PMOS of the shutdown unit, wherein the second low pass is configured to block the enable signal from getting to the gate of the PMOS and to let a signal from the enable signal line through to the gate of the PMOS as a response to a loss of the enable signal, wherein the PMOS is configured to discharge the capacitor to the gates of the low side MOSFETS, when the signal is at the gate of the PMOS.