electronic control unit
ECM, (Engine Control Module, Electronic Control Module) PCM, (Powertrain Control Module, Power Control Module) ECU, (Engine Control Unit, Electronic Control Unit).
It is on because the engine computer has detected a malfunction with the electronic throttle control system.
GAS OR DIESEL?
It's 'electronic control module', and the one for the engine will be one of the computers on the vehicle.
Engine control module, or electronic control module
Engine control unit or electronic control unit.
The electronic control unit main function is to monitor and control the engine so as to provide the most power with the least amount of pollution.
It advances and retards the engine timing as needed.
Engine control unit Its the brain box of your car controls everything electronic
"ECM" stands for "electronic countermeasures". Or in automotive terms, "Engine Control Module".
Depending on the type of engine; A man shovelling coal The carburettor Fuel injection pump Injectors Electronic control unit.