The National Highway Traffic Safety Administration’s (NHTSA) Office of Defects Investigation is looking into a complaint that alleges an issue with the 6L90 transmission used by 2016-2018 and ...
The Hydra-Matic 6L90 (production code MYD) is a six-speed automatic transmission produced by General Motors for use in rear- and rear-biased all-wheel-drive vehicles with a longitudinal powertrain ...
General Motors' Ypsilanti Transmission Operations is producing a new variant of its Hydra-Matic rear-wheel-drive six-speed transmission. The new 6L90 six-speed electronically controlled automatic ...