We address the 6L80’s known wear points (3-5-R, 4-5-6, TCC apply) and match friction materials, clearances, hydraulics, and converter build to your vehicle’s weight, gearing, tires, and duty cycle—keeping temps stable and shift quality consistent.
Choose the Right Build
RoadReady = stock power.
StreetMonster = towing/daily with mild tune.
SportMonster = heavier vehicles, steeper gears, or sticky tires.
TrackMonster = competition use & big power. If tuning/tires add load, step up one level.
Fitment Notes
Covers GM applications that use the 6L80/6L80E (RPO MYC) in RWD/4WD cars, trucks, and SUVs. Not for 6L90 (RPO MYD). Verify 2WD/4WD tailhousing/output, case length, and TEHCM year. A Full Reprogramming is required after install.
FAQs: TEHCM, Install & Coverage
TEHCM & electronics? Units are built with year-correct solenoids and TEHCM configuration. Perform a full reprogramming after install. See Installation Instructions for details.
Converter included? Yes—each package includes a matched lockup converter (multi-disc options on Sport/Track).
Cooler flush? Always flush/replace cooler & lines to protect the new unit and warranty.
Warranty? Monster coverage as listed above; Extend continues after the Monster term—up to 6 years total on transmissions.
*HP/torque ratings are guidelines; vehicle weight, tires, gearing, and tuning affect capacity. When in doubt, step up a level.
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