A transmission control module replacement, on the other hand, is less labor-intensive. Depending on the vehicle, it may only require one hour of labor.

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.

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.

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.

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.

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.

Some units of the 2021 Corvette Stingray may require a transmission control module reprogramming, per a new GM service update.

Customers have mailed invoices to the Free Press reflecting recent charges for clutch repair and transmission control module repair despite the company's highly publicized announcement Aug. 14.

The recall affects 2020–2022 models, including Chevy and GMC's full-size trucks and SUVs, but a software update fixes the transmission-valve issue.