If you've ever had maintenance done on your car, you may have heard of the ECM but not understood what it was. It's actually ...

Modern vehicles predominantly utilize electronic ignition control modules due to their improved reliability and performance advantages. The ignition control module is a crucial component of a ...

It is often referred to as an electronic control module as well. The dedicated chip found in each ECU normally runs its own software or firmware and needs connections to power and data to function.

The demands for better emissions and fuel economy in the mid 1970s necessitated leaner fuel mixtures. These leaner mixtures required greater voltage and more spark to ignite. This challenge led GM ...

but it is linked electronically to the car's electronic control module (ECM), which receives "feedback" information from an oxygen sensor that indicates a rich or lean mixture. It automatically ...

The fix: dealerships will be instructed to reprogram the electronic control modules in affected vehicles with the proper software. This will prevent future control module malfunctions in affected ...