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TrailCal for Jeep® JL Wrangler® - 41051-JL

Suggested retail: $488.95
Holiday Price: $395.96
  • Orders over $100 ship free.

    Product Accessories

    Product Details

    Saves factory setting and returns easily to stock

    The TrailCal for JL Wrangler is an all-new, premium product. TrailCal offers monitoring, calibration, and control features without any modifications to the vehicle. Calibrate for larger aftermarket tires, adjust for gear ratio changes, and enjoy best-in-class monitoring and control features, all without popping the hood. TrailCal for JL also includes new, exciting features like Auto Start/Stop disable.

    *Product includes module to use with the install. Refer to install guide.*

    JL WranglerMonitor & Calibration Features:

    Best-in-Class, 5", Full-Color, High-Resolution, Touch Screen
    Custom Color Mixer for Gauge Arcs, Needles, & Backgrounds
    Multiple Gauge Screen Layouts
    Power Switch Gauge Screen to Engage LED Lights & Other Accessories
    Fully Customizable Backgrounds
    One Simple HDMI Plug for Power
    Easy Menu Navigation
    5" high definition touchscreen
    Inclinometer gauges
    Customizable digital gauges (Reads numerous PIDs)
    Maintenance Manager (schedule and track maintenance)
    Performance tests
    Corrects speedometer for tire upgrades between 26- 40
    Speedometer recalibration for gear /axle swaps
    Swaybar disconnect
    Engine idle adjustability for winching
    Daytime running light options
    TPMS On/Off and Adjust options

    The monitor includes video input and can run backup or other camera accessories.

    Internet updateable.

    Hook up LIT aftermarket lighting or any aftermarket accessories using the EAS Power Switch!


    Gear Ratio: 2.0-10.0
    Low Gear Ratio: 1.0-15.0
    Tire Size: 22.50-40.00
    TPMS On Off
    TPMS Threshold: 22-64 PSI
    Daytime Running Lights
    High Beams/Low Beams
    Turn Signals/Fog Lights/Stock
    Fog with High Beams
    Idle Up: 800-2000 RPMs
    One-Touch Turn Signal: ON/OFF
    Swaybar Connect/Disconnect: ON/OFF
    Auto Start/Stop: On/Off
    Auto Traction Control: On/Off
    Daytime Running Lights with Turn Signal: On/Off

    Available Data Parameters:
    Barometric Pressure
    Engine Coolant Temp
    Intake Air Temp
    Engine RPM
    Battery Voltage
    Vehicle Speed
    Fuel Remaining
    Ambient Air Temp
    Knock Sensor 1
    Knock Sensor 2
    Global Knock Sensor
    Mass Air Flow
    Spark Timing
    Trans Fluid Temp
    Gear (Auto Only)
    Throttle Position
    Corrected Speed
    Mileage Inst.
    Time 0 to 60
    Time Quarter Mile
    Mileage Avg.
    Mileage Coach
    Run Time
    Trip Odometer
    G-Force Lateral
    G-Force Calculated
    Percent Grade
    Horse Power
    Trans Fluid Temp (Calc)

    You must configure your vehicle to view Product Features

    This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations

    TrailCal for Jeep® JL Wrangler® is rated 4.0 out of 5 by 1.
    Rated 4 out of 5 by from Easy to install I bought this to recalibrate the speedometer after a 35” tire upgrade. It worked great! Got my shift points back to normal. Wish the rubicon setting worked for all jeeps.
    Date published: 2018-10-18
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    can i adjust when the cooling fan comes on like i can on my jk

    Asked by: jeep jl
    We do not offer cooling fan control on the JL
    Answered by: Anthony M
    Date published: 2019-02-26

    Can you read and clear diagnostic codes with this?

    Asked by: JohnFrank
    Yes you can
    Answered by: Anthony M
    Date published: 2018-09-26

    Anthony answered a previous question, that the TrailCal does not have any performance tunes because they are still working on them. Does that mean we would be able to download them for free when they are available for the TrailCal?

    Asked by: Gadgetguru
    You will be able to upgrade the cal into the dash once tuning is available but it will not be free. The Traildash will require an unlocked pcm in order to tune the engine (2015+) You will be able to do the upgrade for the difference in price once tuning is available
    Answered by: Anthony M
    Date published: 2018-09-11

    Does this tuner have performance tunes on it?

    Asked by: Mikeyt
    No we are still working on the engine tuning for the 18 jk and Jl
    Answered by: Anthony M
    Date published: 2018-09-05

    Can it adjust throttle sensitivity or do you still need to buy the Amp'd?

    Asked by: Gadgetguru
    If you are wanting to adjust throttle sensitivity you can add the Ampd. You will notice more response with our tuning alone but the ampd will give you more adjustment for the throttle
    Answered by: Anthony M
    Date published: 2018-09-07

    I have a TrailCal PN 41051 says 15-17 Jeeps but was using in on a 2018 JK. It was just purchased a few months ago. Would this be the same one that would work on the JL?

    Asked by: Casper2
    You will need the 41051-JL for the 2018 JL. The actual module is the same but the only difference for the JL package is the bypass cable needed for 2018 Jl
    Answered by: Anthony M
    Date published: 2018-08-29

    I have a jl with the 2.0 turbo motor,will this work on my jeep ?

    Asked by: Brian12
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