Yes, it is important to renew your brake fluid every two years but even when this is done failures have been known.
ECU Testing have a reasonably priced repair service, see
http://www.ecutesting.com/vw_golf_touran_abs_pump_module.html?gclid=CO-3_Lnu4bwCFQkFwwodgSYACA
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.