"When GM builds the 6L80E at the factory, it installs a control module directly to the valve body. It houses all the pressure control solenoids, shift solenoids, and the transmission control ...

Rich Mardeusz: It is software to command the 6L80's transmission electro-hydraulic control module (TEHCM) to significantly reduce the shift time when you're in tap [mode], to the point that it ...

Information about GM's 6-speed 6L80 MYC Hydra-Matic transmission, including details, specifications, vehicle applications, and more.