Depending with the model and make of the vehicle, there are different types of Electronic Control Units(E.C.U.s) which control all the systems in a vehicle. We have systems like; A.B.S, E.C.M, S.R.S, 4WD, TRC, E.D.C, E.P.C, V.S.C, H.S.D, I.C e.t.c. All these systems have a malfunction indicator lights which will either show red,green or even amber whenever there is a malfunction within the system.
With our latest Scanners, readers and programming machines, we can solve most hardware and software problems with the E.C.U.s