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.

GM has issued a product recall for certain examples of 2021 and 2022 Chevy LCF or Low Cab Forward 3500 and 4500 vehicles due to an issue related to the Transmission Control Module (TCM) of the GM MYD ...

General Motors' 8-speed automatic transmission is known for presenting a few common issues. Here's what you need to know ...

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 GLA 250 vehicles. The power supply for the automatic transmission control unit might be interrupted while driving, possibly causing the ...

Trevor's 2024 Chevy Silverado ZR2 refused to shift at Home Depot. A night-ending tow for a brand-new truck. What went wrong and crippled this brand-new ZR2? Here's the full story on the ZR2 and what ...

Japanese R35 GT-R and GT-R SpecV owners in Japan now have the opportunity to improve the performance credentials of their rides via an ECU and TCM (transmission control module) upgrade from Nismo.

Jaguar Land Rover North America, LLC (Land Rover) is recalling certain 2020-2021 Land Rover Defender vehicles equipped with 6-cylinder engines. The Powertrain Control Module (PCM) may unexpectedly ...

A “Check Engine” light on your dashboard could mean anything from a loose gas cap to a wallet-destroying repair in the offing. For [Dean Segovis], his CEL was indicating a fairly serious condition: a ...

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 ...