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Flashcal for JL Wrangler® - 3571-JL

Suggested retail: $277.95
Holiday Price: $224.96
  • Orders over $100 ship free. Orders placed before 2 PM MT will ship same day.

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    It's here! The Flashcal for JL Wrangler is first, and BEST, to market. Wrangler JL owners need the tire and gear options Flashcal provides. Enjoy seamless functionality to accommodate the lift, suspension, and tires you've installed on your JL. Superchips has loaded the Flashpaq PN 3571-JL with the most sought-after features. Configure your JL to review all product features. Be sure to pay close attention to your install guide. The team at Superchips spells our how to install your Flashcal to take advantage of tire size, gear ratio, TPMS adjust and more. Enjoy the ride with the Flashcal for JL Wrangler.


    * Results and feature set may vary based on vehicle make, model, and aftermarket upgrades. Read all instructions before installation and/or operation of this product use.


    * This product has not been tested or validated on right-hand drive Jeep applications or imported (non-American VIN based)Jeep applications. They are not supported by this product.


    * Note: Daytime running light options are only available on JL Wranglers where daytime running lights come equipped.

    Key Product Features

    • Corrects speedometer for tire upgrades between 26- 40"
    • Speedometer recalibration for gear /axle swaps up to 5.38
    • Transfer case gear low: 2.72 - 5.00
    • Sway bar disconnect in 2HI (up to 25 MPH)
    • Daytime running light options
    • One touch lane change on/off
    • TPMS On/Off
    • TPMS Adjust
    • Fog light droput on/off
    • Daytime running light dropout on/off
    • Daytime running light location - high beam, low beam, turn signal, fog lights, Eurpean/fender lights, none
    • Auto park on/off* (3.6L JL only, usedas a feature while device is plugged in)
    • Reads and clears diagnostic trouble codes
    • Internet updateable


    * Results and feature set may vary based on vehicle make, model, and aftermarket upgrades. Read all instructions before installation and/or operation of this product use.


    * This product has not been tested or validated on right hand drive Jeep applications or imported (non-American VIN based)Jeep applications. They are not supported by this product.

    You must configure your vehicle to view Product Features

    Flashcal for JL Wrangler® is rated 4.0 out of 5 by 8.
    Rated 3 out of 5 by from 2018 JL Jeep unlimited with 3.6L I absolutely love Superchips and have purchased their tuner/programmers for a few vehicles in the past but for the JL it is great for tire size and basic functions but it won't remove the annoying chime that goes off every trip I make telling me the autostart is disabled. It is awesome to change the low tire pressure monitors also but I wish the autistart would go away and not give a chime each time. Thanks!
    Date published: 2018-12-27
    Rated 5 out of 5 by from Jeep Jl Needed this for our new 2018 Jeep JL. Went with 35’s and needed speedometer recalibrated. This was simple to use. 15 minutes and it was done.
    Date published: 2019-05-18
    Rated 3 out of 5 by from Easy to use I bought this when I re-geared from the stock 3.45 to 4.88 ratio and put 35 in tires on. Since doing this the calibration has been off causing my start/stop system to be unavailable! While I don’t like the system anyways when this system is not available, my backup camera and backup lights do not work. My Jeep ended up at the dealership for a month and the problem still persists.
    Date published: 2019-01-27
    Rated 3 out of 5 by from Jeep won't shift into 6th 7th or 8th I updated and installed like the paperwork said. However the speedometer is accurate now with my 37s. My transmission will not go above 5th gear on the freeway. how do I fix this?
    Date published: 2019-02-10
    Rated 4 out of 5 by from Works as advertised changed my tire size and the fog light cut out and the TPM sensors all worked perfectly Cons you need to be a contortionist to unplug the gateway and replug them it helped to pull the trim panel off below the steering colum
    Date published: 2019-10-04
    Rated 5 out of 5 by from Taking control of my 2018 JLU Sahara I bought this cause every time I did a modification it didn’t work right. Then I used flash cal with doing set ups on led lights and now they all function as expected. Thanks for a great product.
    Date published: 2019-09-14
    Rated 5 out of 5 by from easy to use bought it to calibrate my jl to 37'' tires and i am glad i did now my rpm stay low even at high speed and my speedometer is corrected. couldn't be happier
    Date published: 2018-11-27
    Rated 4 out of 5 by from Cool device Did what I expected and more. Got my mpg back up after putting on 35” tires.
    Date published: 2019-01-25
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    Does Superchips plan to enable lockers in 4H on JLU Rubicon models?

    Asked by: Kevin J
    We are still working on it. Please check back in a few months
    Answered by: Anthony M
    Date published: 2019-10-18

    I have 2 jeep JL's. me and wife and need this for new tires we got. I can use one tool for both cars?

    Asked by: rayray81
    These are designed for 1 at a time. You can tune 1 and then reset it for $100 in order to tune the 2nd
    Answered by: Anthony M
    Date published: 2019-08-27

    Where is the complete feature list?  Can't find a link or list on product page after clicking Learn More. Are all features revealed only after we buy it?

    Asked by: Smith
    If you go through the vehicle selection, click on the product and then "features" that should give you a full list
    Answered by: Anthony M
    Date published: 2019-08-13

    Do I need a pcm swap for my 2019 Jeep JL for the flash cal like the Planck paq requires?

    Asked by: 2019 Jeep JL j rod
    Not at all. The flashcal will not require any pcm swap because the flashcal does not allow you to tune the engine.
    Answered by: Anthony M
    Date published: 2019-04-10

    Will this work on a 18 JLU Rubicon with the 2.0 turbo motor?

    Asked by: jeepgirl73
    Not yet.  They do not have software to support the 2.0 as of now.   I just found out the hard way.  
    Answered by: Shawn A
    Date published: 2019-11-13

    Does it allow to bypass the auto engine off?

    Asked by: ficklma1
    Any updates on disabling the auto start/stop feature??
    Answered by: Redjeep
    Date published: 2019-05-26

    I own a 2018 jl sport s. No drl on it. Plan on swapping to the morimoto led fender lights and mopar headlights. Can I activate the drl with this unit.

    Asked by: Mikeyjl
    Unfortunately you cannot. If the vehicle did not come with DRL from the factory there is nothing to activate unfortunately
    Answered by: Anthony M
    Date published: 2018-09-05

    I have the jl and have the flashcal did you guys come up with the tune update 

    Asked by: Frank1895
    Any updates on the tune update??
    Answered by: tjohnson
    Date published: 2019-05-26
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