PROCEDURE FOR VIRGINIZE YOUR OWN ORIGINAL EEPROM 93C46. NEED UPLOAD YOUR ORIGINAL FILE IN 8 BITS FORMAT FOR BE MODIFIED BY OUR WEB. WITH FILE OBTAINED ECU IS READY FOR AUTO-LEARN SYNCHRO CODE AT FIRST IGNITION. FOR READ AND WRITE YOUR EEPROM NOT DESOLDER EEPROM, IF DESOLDER EEPROM THE ECU CAN WILL DAMAGED, SOLDER WIRES FROM EEPROM TO PROGRAMMER AND READ/WRITE IN 8 BITS FORMAT.