Mikefpvgt

Thanks for the reply yes mine does the same,i have replaced the 2 front speed sensor with one's from my other ba will do the rears tomorrow starting to think it's a communication problem between the pcm and abs module it did throw a can bus code at one stage U1900 if i have any luck will let you know

Cheers Mick 

Hi mate I'm having the same problem with a BA falcon did you end up working it out

I have changed booster, master cylinder,abs unit,

Any help would be greatly appreciated