Do some one know the algorimt that new BOSCH TDI ECU perform ? It's not a regular CheckSum . Thank MARCO CORTECCHIA ( SoftWare developer ) Via Bellini 70/A 40026 - Imola ( BO ) ITALIA Tel/Fax : +39-(0)542-681936 m.cortecchia at mail.asianet.it www.3wad.com/efi