Transmission control unit repair by a specialist: If transmission control units need repair, we take care of it with great experience and at reasonable prices. As specialists for transmission control unit repair, we have the most modern technology at our disposal to search for the defect. Often, transmission control unit repair is much cheaper than purchasing and installing a new transmission control unit. We repair your transmission control unit in the shortest possible time. Note: Please always make a fault log before removing the unit. Since these devices work in the transmission oil, the errors are often temperature-dependent or sporadic.