They are usually to the left of the throttle body or on the firewall near the distributor.
electronic computer module Electronic control module
1995 and earlier models use a separate ESC module mounted near the throttle body of TBI
Behind the glove compartment or behind the passenger side kick panel.
ECM, (Engine Control Module, Electronic Control Module) PCM, (Powertrain Control Module, Power Control Module) ECU, (Engine Control Unit, Electronic Control Unit).
Looking from front of truck, it is mounted on top of the engine, left of the throttle body.
The powertrain control module is one of many electronic control modules on a 2003 Dodge Caravan.
"ECM" Electronic Control Module (Under front seat or behind dash).
The electronic control module is located behind the right side of the dash board
EML stands for Elektronische Motorleistungsregelung in german. Translated it means "electronic power control". It controls your electronic throttle body. Many models of BMW automobiles do not have a physical cable controlling the throttle. When you press on the gas pedal a sensor sends a signal to the EML, then the EML operates an electric motor in the throttle body to open the throttle and you go.
Behind glove-box, behind engine control module
Engine control module, or electronic control module
It is called a throttle body control module. It is in the engine compartment on the top of the engine.