Defender 99 TD5 ABS light on

Hi. My Defender ABS Warning light has been on from just after last MOT and now due to go through again. The codes showed faulty ABS module pump and front LHS sensor. Sensor was subsequently changed and then was showing code on front RHS sensor - also changed. Pump fault still showing so pump was subsequently removed and sent to ECU Testing who confirmed pump was indeed faulty and non-repairable. ECU Testing also didn't have a replacement pump on the shelf. After some phoning about I sourced a remanufactured unit at Remanx. Pump now fitted and ABS warning light still coming on. Showing now 'Pump Failure 2 (Pump not Running When Actuated)'. Fuse ok. Bleeding of system seemed straight forward and getting a good pedal. Any thoughts would be massively appreciated. Regards
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New fault after fitting reman part would suggest to me the reman part may be faulty?