First-Rate ECU Coding It implies software modifications to the vehicle to allow the use of features that are not available on vehicles when it leaves the factory for various reasons. Through ECU coding, you can change the chimes on the car, set the number of one touch signal flashing at a time, remember the setting of Start / Stop system, etc. Augmented Active Test With Autel IM608, you can input commands into the ECU to check the efficiency of a car’s system by individually testing components. Furthermore, you can also monitor various operations that take place inside the actuator. Then you can use the information to determine whether the system is functioning as it should or if it needs fixing.