Which programming language is used in the ECU of a car?

Basic Software - C, Assembly (rare cases) Application Software - Model Based and/or C. read more

The most popular programming language for automotive ECUs (electronic control unit) that implement hard real-time applications in power train or chassis control is by far C. The software is usually implemented on top of automotive-specific operating systems according to OSEK or AUTOSAR. read more

We are free to use any programming language of our choice. Most programmers use Model based tools to develop the ASW that contain complex decision trees and state machines eg. ASCET , Simulink , Stateflow. The most commonly preferred language used to develop the drivers and OS / Kernel isEmbedded C with XML. read more