Class Action Lawsuit Gmc Transmission 2025 Denali. You may have a claim for relief. Court of appeals for the sixth circuit affirmed a class certification granted on march 20, 2023 in a massive class action lawsuit across 26 states.
A class action lawsuit claims that more than a dozen gm vehicles possess a defective transmission that causes them to shake when when shifting gears, and can cause the transmission to fail prematurely. A gm transmission class action lawsuit will continue for customers in 26 states who drive certain cadillac, chevrolet and gmc vehicles equipped with 8l45 and 8l90 automatic.