6L80 / 6L90 – JMBX CodeDecember 20, 2012A604October 20, 2013 6L90 – JMDZ Published by chrish on September 11, 2013 Categories General Motors Tags Converter Specs Select MakeAisin AW Aisin Seike Allison Audi BMW Borg Warner Chrysler Dodge Ford General General Motors High Performance Honda, Acura HYUNDAI Infiniti Jaguar Jatco KIA Lexus Mazda Mercedes Mitsubishi Saab Subaru SUZUKI Toyota Volkswagen ZF Sachs Year: 2010; Make: Chevrolet; Model: 4500HD; Engine: 6.6L Duramax; Transmission: 6L90; This content is for TCRA Member Members only.Login Join Now Share chrish Related postsDecember 12, 2012Torque Converter Discolored – TCB30Read moreOctober 6, 2012Torque Converter Surge – TCB28Read moreAugust 12, 2012TCC Function while in Displacement Mode – TCB26Read more Comments are closed.