Car ECU full form in Automobile 

 (ECU) (Engine Control Unit) if your car is a faulty engine control module ,engine starting problems

(ecu),check engine light ,not coming on dashboard meter cluster,car ,,immo system warning

,radiator fan not working, glow plug light on dash, pickup problem, A/C, compressor, clutch. not

working, current pulse on fuel injector ,spark plug current and voltage Issue ,fuel pump motor current

,main relay not getting power, 86 number M relay,not getting, ( - ) voltage ECU full form in car