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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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    I have a 2018 Jeep Wrangler JLUR Rubicon and removed the factory Sway Bar for the Currie Enterprise AntiRock system, can the SuperChip remove the Disconnect Sway Bar Alert Light from the dash?

    Asked by: MikeR
    The Flashcal will not offer this option. The trailcal will but that does not work on the JL at this time We are still working on JL support
    Answered by: Anthony M
    Date published: 2018-08-07

    I have the Flashcal for my 2008 JKU. Now I've bought the new 2018 JLU. Will it still work on the new JLU??? Is there an updates I gotta do??

    Asked by: Lamike
    The 3571 will work but you will need to purchase the bypass box for $100 before you will be able to connect to the JL
    Answered by: Anthony M
    Date published: 2019-02-16

    Had my JLUR regeared to 4.88 and now the ESS warning light in the dash will not go out after calibration. It's a 6-speed. I'd prefer to have the ESS enabled. Any ideas?

    Asked by: doitright2112
    Anthony M, I did calibrate to the new gear ratio. That worked. But the warning light will not go out.
    Answered by: doitright2112
    Date published: 2018-07-05

    Will this adjust the shift points when adding 35" tires to a 2018 JLU?

    Asked by: krashoveride13
    Adjusting tire height alone will get the shiftpoints back to where they should be
    Answered by: Anthony M
    Date published: 2019-01-10

    I have to take my 2018 Jeep JLU to the dealership due to a recall which will require them to reprogram the PCM. I currently use this flashcal for speedometer calibration of 35" tires. Do I need to return to stock and remove the bypass module beforehand?

    Asked by: Jack G
    Yes. Set the vehicle back to stock and remove the cable. This is just so they do not write over our tuning and lock your device
    Answered by: Anthony M
    Date published: 2019-01-10

    I have a Flashcal 3571 for my 2015 JK, will this work with the 2018 JL?

    Asked by: EarnieG
    Yes it will. You will just need the 18JL bypass cable to be able to tune
    Answered by: Anthony M
    Date published: 2019-08-13

    Can i adjust my TPMS threshold ? 2018 Wrangler JLUR

    Asked by: Al DiGangi
    Yes you can
    Answered by: Jim m
    Date published: 2018-09-17

    Can you enable Daytime Running Lights on the JL Sport and Sport S with this product?

    Asked by: abecker
    No it does not. Waste of money.
    Answered by: Zac Solt
    Date published: 2019-04-20

    Does the flash cal for JL wranglers enable fog lights with high beams like it did with the Jk wranglers?

    Asked by: DHJL
    Yes it does!!
    Answered by: Anthony M
    Date published: 2019-04-24

    Will this impact the factory warranty?

    Asked by: Supercharged
    The dealership cannot legally void a warranty just because you have an aftermarket product
    Answered by: Anthony M
    Date published: 2019-04-24

    Can I use the flashpaq 3872 from my old 2014 JKU as a flashcal on my new 2018 JLU? I did return the old jeep to stock before trading it in. Thanks.

    Asked by: Smedley

    Is there features for disabling the start/stop yet?

    Asked by: Bkz96

    I understand before i take the JL in for reprogram of the PCM , I have to return to stock. My question is do i also have to remove the Gateway Module? as it is very hard to reach in with my fat fingers, I had to take it to a shop to have it installed.

    Asked by: Bill Tower

    I have this flashcal 3571-JL.  Is there a software update to accommodate the 2.0 turbo JL yet?   Or when will it be available? 

    Asked by: WQArmy

    CAN WE GET INSTRUCTIONS EMAILED TO US?

    Asked by: JEFF FUSSELL

    I have a 2018 JL Rubicon will this unlock the 7” radio so it will stay on longer than 15 seconds  when I turn the Jeep off. 

    Asked by: Lucero

    Tire size flash and sway bar disconnect option are important to me. That sounds like it's a done deal But can you explain the axle lock/unlock feature? Can I run with rear axle locked in 2h without to go into 4L. Tell me I can to this and I'm sold!

    Asked by: Rangersdad
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