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TCI EZ-TCU Control Unit 2009-Down GM 4L60E, 4L65E, 4L80E, 4L85E Transmissions


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EZ-TCU Control Unit 2009-Down GM 4L60E, 4L65E, 4L80E, 4L85E Transmissions
More than 10 available
EZ-TCU Control Unit
  • 2009-Down GM 4L60E, 4L65E, 4L80E, 4L85E Transmissions
  • TCI 6x Six-Speed Transmissions
  • Trans Control Unit
  • Hand-Held Display
  • OEM-Quality Wiring Harness
  • Free Shipping - Ships

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    302820 - TCI EZ-TCU Electronic Transmission Controller is rated 3.8 out of 5 by 8.
    Rated 5 out of 5 by from Super easy to install I struggled for a while about making the decision to upgrade to an electronic overdrive transmission (4l60e). I just happened to have one sitting in my shed from a truck I previously owned. I am 100% old school and not tech savvy by any means, so anything computer controlled, I’ve always steered clear of. When my TH400 tranny gave out I really didn’t have a choice but to roll the dice and try my luck with the 4l60e. After a little research and watching the installation video for the Fast EZ-TCU, I felt confident that I could do the swap without any problems. I followed the “basic” instructions to a “T” and to this day, 30 days later, I still haven’t had any problems. It was very simple to install and because of that I’m happy I went with the EZ-TCU. It has restored the fun in “hot rodding” because I’ve been able to play around with it and set different shift patterns.
    Date published: 2020-05-21
    Rated 5 out of 5 by from Easy Installation I installed a 4L80E transmission in my 1972 GMC, with a carbuerated 489 BBC. I used a TCI EZ-TCU to control the transmission. It was shipped quickly, installed and works perfectly. I use the handheld in liv mode to monitor various functions with the engine and trans.
    Date published: 2017-09-10
    Rated 4 out of 5 by from Good Works great but it’s a pricey and not everything is included for the price but overall a good product
    Date published: 2020-11-02
    Rated 3 out of 5 by from Good budget controller It does what its supposed to do, control your trans shifting-there are more performance oriented controllers out there, but cost more. One thing that I dont like is every time you restart your engine, you have to re select the screen you want. Also no true manual mode, you have to set up a paddle shift deal, requires a ground and up/down switch.
    Date published: 2020-01-21
    Rated 2 out of 5 by from Kinda works, kinda doesn’t Bought two of these and it doesn’t wanna shift right. Took the truck to the shop I had the trans rebuilt at and they said it’s the controller. One worked better than the other, but the 2-3 shift is very erratic. None of the settings seem to make any difference in how it shifts, performs or operates. 1985 K5 blazer with a 4L80E and a 6.2 diesel. Night work in a gas truck better but doesn’t seem to work in mine that great.
    Date published: 2021-07-05
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    Will this work on a 400 TCI TURBO transmission?

    Asked by: Willie
    The TCI 890-302820 control unit does not work with a TH400 transmission.
    Answered by: jshook
    Date published: 2023-02-03

    80 Monte Carlo with 400 SBC and a Holley Sniper TBI, looking to replace the TH350 with a 4L60E, will this controller hook up to the Holley TPS?

    Asked by: Shawn
    The TCI 890-302820 TCU is not a direct plug in for a Holley TPS.
    Answered by: jshook
    Date published: 2022-12-12

    Does this unit have to have a throttle position sensor

    Asked by: Shaun00
    Yes, this will require a connection to a TPS sensor in order to work properly.
    Answered by: Rusty B
    Date published: 2020-11-20

    This says 6x six speed is compatible. However, would this system work with a 6l80e?

    Asked by: Grant Whalen
    This is only designed to work with the TCI 6 speed transmission in addition to the standard 4 speed overdrives.
    Answered by: Rusty B
    Date published: 2023-02-26

    i have a 1989 chevy k2500 350 tbi stock pickup truck 4X4 that im putting a 4l60e in. will this system work and what all do ineed.

    Asked by: k25001989
    This kit is what is needed to make this transmission shift.
    Answered by: Jon Jegs Tech
    Date published: 2020-05-07
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