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View Full Version : Citroen C5 - ECU replacement



smithyc
25th August, 2018, 10:29 PM
Hi, I need help with replacing the ECU. Old ECU died fully (fuel pump FET fried, fuel pump ok now), old eeprom sadly not available for cloning. New ECU has same ordering numbers like the old one., see details:

C5 yr. 2007, 1.8, 6FZ
Sagem S2000-1 ECU: 9643915380, 9643786680-01
Car security code: 6D8U

Keycard symbol ON, car not starting, ECU eeprom dump below...please advise.
Thank you.