Originally Posted by ALRN
If its beem remapped rather than chipped then surely an ECU reset would take it back to factory status (not sure) but I'm sure you could try it by disconnecting battery for 15 mins(there's a thread in the GT lounge)Hope this helps.
All this does is reset the adaptation settings, these are stored in the EEPROM. The actual mapping is stored in the EPROM along with the ECU's operating system.