Electronic Control Unit
- Formal
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An Electronic Control Unit (ECU) is a device, such as a sensor or an actuator, that is connected to other devices via a CAN Bus. A vehicle can contain dozens of ECUs for functions such as mirror adjustment, airbags, cruise control, entertainment, and, most significantly, engine control.
- Practical
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A vehicle can contain dozens of ECUs for functions such as mirror adjustment, window power, airbags, cruise control, entertainment, and, most significantly, engine control. To form a CAN, two or more ECUs are needed.
