Programmer wrote: > > Does it use the same ID byte ?? > > > Um, the 16198262 _is_ a 1227730 - it's just a newer number. With these P4 ECMs, the ID byte goes with the MEMCAL contents, not the ECM. One P4 ECM can use MEMCALs with many different ID bytes. -- Ludis Langens ludis (at) cruzers (dot) com Mac, Fiero, & engine controller goodies: http://www.cruzers.com/~ludis/