abs pump

Got the Traction Control, ABS light on and the Handbrake light flashing. Error code 01131 - ABS Operation Have replaced all wheel bearing and also all wheel speed sensors Have also checked all the fuses, which seem to be fine. Research suggests it could be the ABS control module is faulty...

I've just purchased this from Ebay (link) to replace my ABS pump with a faulty pressure sensor. You only get the hydraulic pump, not the motor or the ecu module. I'm now just a bit worried that my ABS is not one with a detachable motor as I've seen some where the pump and motor are one unit. Is...