У вашего броузера проблема в совместимости с HTML5
Full reading/writing of a Renault Master (III) 2.3l dCI - SID309 ECU.
Procedure usualy done in the car via the diagnostic plug (OBD2).
Can also be done on the bench provided ECU is in state: FACTORY/IMMO Disabled.
Video performed on the bench for a step-by-step demonstration.