Your 68RFE Cummins is a great jack-of-all-trades transmission that might need tuning to get the most out of it while helping ...

Comparing features of the latest stand-alone automatic transmission control modules. Which one will work best for your transmission? Jeff Smith breaks it down.

Faulty transmission control valve can fail and cause rear wheels to lock up, increasing risk of crash, according to General Motors.

GM has issued a service update to address a problem related to the Transmission Control Module in certain 2020 and 2021 model-year C8 Corvette Stingray models.

Owners will need to drop their Chevy, GMC or Caddy down to their local dealer who will upgrade the transmission control module software.

Some units of the 2021 Corvette Stingray may require a transmission control module reprogramming, per a new GM service update.