Andrew Holmberg, Chief Engineer and Director of Innovation at ESI Total Fuel Management, explains why the industry should ...

Some units of the GMC Sierra 1500, Yukon, and Yukon XL trucks and SUVs need an ECM software update to fix a glitch with the ...

Some units of the Cadillac Escalade and Escalade ESV from the 2022 and 2023 model years need a software update to fix a check ...

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.

You may have heard the advice to put your car into neutral when coasting to help save gas. However, is this tip true, and is ...

The Engine Control Module, or ECM, directly controls the engine. Still, it can’t do that properly without the Transmission Control Module or TCM and PCM, which work together and exchange information.

The booklet shows techs how to properly diagnose, service, and optimize homeowner comfort with residential ECM-driven systems. It includes a troubleshooting flowchart, instructions on the TECMate Pro ...

The powertrain control module (PCM) in your Jeep Wrangler acts as your engine's brain. Here's where it can cause problems, and how to fix them.