i too had this problem, had a mate who actually worked at a parts store, he told me, all you need is a abs module with the same options, eg i had a calais, so all i needed was a abs module to suite a v6 with traction control, so thats all you need is the options, i spent 2 years without a working abs module, as i didnt have the numbers, then i got told that and worked perfectly since, others will say need exact numbers, but alot are going on hear say