TCI Automotive

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Transmission Control Unit

Transmission Control Unit

For computer controlled transmissions, nothing beats the TCI® EZ-TCU™ Transmission Controller. The EZ-TCU™ allows for maximum electronic control over shift points, shift firmness & shift speed. The EZ-TCU™ is fully configured and ready to run right out of the box – no tuning necessary. But for those who demand customization, the unit is also optionally fully programmable based on load, speed and RPM.

  • Maximum electronic control over shift points, shift firmness & shift speed
  • No software, laptop or experience needed
  • Completely intuitive programming interface or optional fully programmable based on load, speed and RPM
  • Multiple shift modes include full manual mode
  • Compatible with popular GM transmissions, as well as the TCI® 6x Six-Speed
  • Includes transmission control unit, hand-held & wiring harness

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  1. EZ-TCU™ GM Overdrive Transmission Controller; 4L60E, 4L65E, 4L80E & 4L85E; Up to '09
  2. EZ-TCU™ Transmission Control Unit For 2009+ GM 4L70E

    EZ-TCU™ GM Overdrive Transmission Controller; 2009+ 4L70E & 4L65E

    SKU: 30299-KIT
    $637.46

    • Easy overdrive GM trans control • No laptop, previous tuning experience or tuning required
    • Optionally adjust based on load, speed & RPM • Stores (2) custom calibrations • Optional paddle shifter
    • Built-in self diagnostics • Includes: trans control unit, hand-held display, OEM-quality wiring harness
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