Hi,Admin.Pls can you explain how use "Pass-htru" mode if it recognize like COM PORT,but all manufacture flash programmes recognize devises like USB.How posible make connection,coase i checked a lor of diag and flash softs,but no one see devise in Pass-thru mode.If posible just one example.And one more,just j2534 opens OK only like CANtieCAR,all other opens with ERROR message.Why?Thanks a lot.