abs light?

MY problem is my ABS light comes on after a couple of mins sometimes after a couple of miles, I took it to my local garage put it on his computer and came up with C1350 code,but asking Citreon garages (4) they all said that the code should start with a P, Then the big money Quiestion how much to put it on their diagnostic Machine NOW this gets on my nerves all Citreon Garages Starts at £75 + VAT upto £90 +VAT.To try and fix this problem can anyone tell what is C1350 Electric Valve Inturnal. I my be looking at £0000 Plus VAT and I cant aford this as I am Disabled....Can anyone help Please.....