GM has issued a service update for some units of the 2023-2024 GMC Sierra 1500 for an ECM fix to remedy improper fuel flow rate during certain types of driving.

The Engine Control Module (ECM) of the affected Chevy Silverado units is incorrectly programmed, per Service Update N242452130. This could potentially lead to improper fuel flow rate during ...

Learn all you need to know about Engine Control Modules (ECM), or Engine Control Units (ECU), in this article concering electronically controlled midget engines. Enginology is step one in the ...

Q: My 2002 Buick LeSabre has 98,887 miles on it. Its ignition control module is failing. Since 2014 I have replaced it three times. Can you please tell why my control module keeps failing? It ...

Replace electronic brake control module: $1,140 Replace powertrain control module: $897 Replace engine control module: $839 You can view the full 2020 Vehicle Health Index report here.

Most shop manuals are very good at providing diagnostic steps along with remove-and-replace procedure but offer little to understand the sensors used on the engine and the control logic involved.

The Engine Control Module (ECM) is the computer responsible for controlling the engine. The ECM communicates with other vehicle control units via a communication bus.