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.
You could take your complaint directly to Mazda's customer relations people. You might get a hearing because the warranty had only just expired. We have heard reports of problems with shift solenoids ...
Mazda owners report experiencing problems like excessive rust, issues with the Skyactiv engines and transmissions, and ...
If you're a control freak, late-model electronic transmissions are just what you need to modernize your classic car, and if you decide to go that route, a transmission control module is a must-have.
For now, all 2019 Mazda 3 models come with a 2.5-liter four-cylinder engine with either a six-speed manual or a six-speed automatic transmission; front-wheel drive is standard but all-wheel drive can ...