The Aisin AW4 is a four-speed automatic transmission used in some Jeeps and as the A340 in various Toyotas. It is electronically controlled in the forward gears ...

Some units of the 2021 Corvette Stingray may require a transmission control module ... The 2021 Corvette Stingray is equipped with the M1L eight-speed dual-clutch automatic transmission co ...

To convince the transmission control module that a working automatic was still installed and clear the fourteen-odd diagnostic codes, [Dean] put together a block of eight common automotive relays.

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.

The TCM, or Transmission Control Module, is a key piece of any automatic transmission. Here's how it works in your car and how to fix it.

An automatic transmission runs off a TCM or transmission control module that collects data from sensors in the engine, so it knows when to shift.