Did this get resolved?
Did a new distributor solve the problem?
Inquiring minds want to know...

you can get another DS1245Y-70IND+ from a respected reseller like element14 or mouser, program it in a gq4x4 or minipro programmer (or equivalent) with a stacked bin from the 12p zip file (assuming 12p) and when its in the car upload your cal again over aldl. ebay ds1245y chips are probably clones ...