The ABS control module is a microprocessor that runs diagnostic checks of a vehicle’s antilock braking system and processes information from wheel-speed sensors and the hydraulic brake system to ...

Transmission Control Module (TCM) faults are not unknown on these early Mazda 3s. Symptoms usually involve erratic shifting, a failure to select gear at all and having the car go into limp-home mode.

General Motors has issued a new Service Update, this time for the GMC Terrain. According to the latest bulletin, owners may notice that the Malfunction Indicator Light on their crossover is ...

Automatic transmissions are highly complex automotive components. They're significantly more complicated and challenging to work on than manual transmissions, which means expensive repairs and ...

GM is recalling a long list of models due to an issue with the fuel pump power control module that can interrupt the fuel flow to the engine. Many are GMC models, including the GMC Acadia, GMC Savana, ...