on January 27, 2010, 8:43 am, in reply to "Re: Vauxhall Zafira Y20DTH 2003 - Replacing diesel pump #"
1 Pass thru using the Tech 2 as an interface
2 'Suck and blow' loading the software onto the Tech 2 and then into the PSG16 pump
Which method are you using? Try the other method and see what happens.
Hth
Sean