2010 Fiat qubo multijet 1.3 diesel, 1500

I bought 5 years ago from one previous owner and ive looked after her. Ive changed the oil filter and oil every 5k and diesel filter every 10k and everyrhing running smoothly. I cant get it through the nct this year the abs light came on and ive done brakes and rear abs sensors but its something else maybe loose wire or moduale im not sure and the old fella gave me his car and im leaving country soon so im not going to invest in her but very sad not driving it anymore its perfect.if you could get it nct ideal Car is perfect driving. You can take back seats in and out and roofracks for anything to strap down.