For years, automakers were reliant on 6-speed transmissions. However, they began to adopt 8-speed replacements, following pressure from the government to meet new environmental regulations. When the 8 ...

The General Motors 8L family of transmissions has been in service since 2014, gradually replacing older 6L six-speed units across much of the company's lineup. The bigger 8L90 was the first GM 8-speed ...

GM has found the root cause of the transmission problems experienced by some C8 Corvette owners that can result in a ‘Service Transmission’ message appearing on the Driver Information Center (DIC).

I started getting “Service Transmission” error messages in my 2017 Lacrosse at 26,000 miles. The dealer was unable to diagnose the problem, even with help from GM ...

In a perfect world, buying a brand-new vehicle with the latest and greatest technology would mean you've got a problem-free ride for the foreseeable future. However, as we're sure most folks are aware ...