i have launch pad X431 and its great and was working great and suddenly its stop to communicate with Ecu of cars i try too many cars faild on communicated of all
even that the connector is paid and all light on it is ok and every thing going smoothly.
when i try connect to the car and diagnostic it it take some time then give me ( cant connect to ecu )
i try all i can , even try new update and make reset for it ( by F12 ) but even that its fails so please please any one can help me about that .