Your shopping cart is empty.
Oct 29
6L80 / 6L90 TEHCM Guide: Common Failures, Year Differences & Tag ID Reference
6L80 / 6L90 TEHCM Guide: Common Failures, Tag IDs, and Year Differences GM Trucks & SUVs • Camaro / Corvette • Cadillac • 6L80 / 6L90 • Monster TEHCM Reference The 6L80 and 6L90 TEHCM (Transmission Electro-Hydraulic Control Module) is the brains and hydraulics of your GM six-speed automatic. It’s...