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.

More GM truck owners are reaching out to GM Authority stating that they've been waiting weeks and possibly even months for a fix, with no clear timeframe.

Owners will need to drop their Chevy, GMC or Caddy down to their local dealer who will upgrade the transmission control module software. This isn’t the only transmission lock-up problem revealed ...

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.

2012 Audi A6 2013 Audi A6 2014 Audi A6 See More Service Bulletins Corrective action: Dealers will either flush the auto transmission fluid and/or replace the transmission control module.

The transmission’s computer, the transmission control module (TCM), takes all of this into account to strategize the ideal shift and clutch pressure, so if any one input is missing, it won’t ...