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GM Flashcal For Truck - 2545

Suggested retail: $235.00
Your Price: $210.95
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    Please note: Flashpaq PN 2545 covers up to the 2016 model year GM only.For2017+ GM coverage please refer to PN 2547.If you are a GM truck owner who is looking for a device to help calibrate for your large aftermarket tires, read/clear trouble codes, adjust your speed limiter and more, then look no further. The Flashcal for Truck is a product designed to give features and calibration tools to truck owners at a great price. The days of clunky, outdated calibration tools are over. Flashcal has trucks covered and the market cornered with quality and pricing that can't be matched. Covers 1999-2018 GMC/Chevy gas trucks and 2001-2016 GMC/Chevy diesel trucks.


    Corrects speedometer for tire upgrades between 26 - 38 *
    Speedometer recalibration for gear /axle swaps *
    Speed/Rev Limiter Options *
    TPMS Options *
    Reads and clears diagnostic trouble codes
    Digital Battery Voltage Display
    Real-time Data Logging
    Real-time Data Monitoring
    Upgradeable to Flashpaq Tuning


    Please note: Flashpaq PN 2545 covers up to the 2016 model year GM only.For2017+ GM coverage please refer to PN 2547.


    *Features may vary based on year, make, & model.


    *E-assist and hybrid vehicles not supported*

    Corrects speedometer for tire upgrades between 26 - 38 *
    Speedometer recalibration for gear /axle swaps *
    Speed/Rev Limiter Options *
    TPMS Options *
    Reads and clears diagnostic trouble codes
    Digital Battery Voltage Display
    Real time Data Logging
    Real Time Data Monitoring
    Upgradeable to Flashpaq Tuning

    *Features may vary based on year, make, & model.

    You must configure your vehicle to view Product Features

    Questions about buying this product? Our experts are available from 8 AM – 5 PM MT. Call today at 888-227-2447. Our sales team would be happy to answer any questions you have.

    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

    GM Flashcal For Truck is rated 4.3 out of 5 by 25.
    Rated 5 out of 5 by from Worth the money I bought this to turn off the afm 4 cyl mode and it did the trick with no complication. Now I can calibrate my tire size when I get bigger tires and clear codes for the same price as the competiors that just turn off afm. I am very happy with this purchase. Wasn’t wanting to tune or add power just couldnt stand the helicopter noise that my exhaust made in 4 cyl mode. This is worth every cent.
    Date published: 2018-08-02
    Rated 5 out of 5 by from Works as described and really easy and reliable I use this on my Hummer H2 and it works great!! Instant results you can feel and see. Easy to upgrade and lots of options for your vehicle. Thanks!!
    Date published: 2017-05-02
    Rated 5 out of 5 by from Works great I bought the flashcal to correct my speedometer after getting bigger tires. In less than 10 minutes it was corrected and I was back on the road. Definitely going to upgrade it to the flashpaq.
    Date published: 2017-07-18
    Rated 5 out of 5 by from Great product I bought to recalibrate tire size and disable AFM. Did a great job and plan to upgrade to tuner in the near future!!
    Date published: 2018-02-13
    Rated 5 out of 5 by from Works Well Thus tool does exactly what I need it to do. I recommend it.
    Date published: 2017-12-24
    Rated 3 out of 5 by from It works but needs more I am not completely new to the superchips family. This is my 2nd superchips programer. I also have a older version for my 2000 K2500. Let me say that I’ve had no issues with then older version I could adjust performance, transmission shifts, gear ratio, tire size just to mention a few. I guess I was comparing apples to oranges when I purchased the flashcal. It doesn’t have half the features my old superchips programer has but it works as advertised. I think I should have spent the money and got a full featured superchips product.
    Date published: 2020-07-26
    Rated 5 out of 5 by from GM 2545 Flash Cal I bought this Flash Cal to update the tire size on my 2015 GMC Sierra 1500 Denali. Worked as described and very easy and quick to install. Got lucky and had a local police department who had a speed limit sign up giving you your speed. It corrected the speedometer to within 1 mph in reference to their speed device. Great product. Will be looking into upgrading to the FlashPaq at some point.
    Date published: 2018-10-18
    Rated 4 out of 5 by from Excellent Tech support I bought this product two weeks ago to adjust the spedo in my 2006 2500 HD. I had multiple issues with configuration and several error messages not allowing me to make any changes to my truck. After 4 tech support calls I got the correct tire size collaboration for the tires. Tech support was the highlight of the process. Thanks for doing a great job and refusing to give up.
    Date published: 2018-03-12
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    I have a 2014 with 4.3. I was told this will work with the years 14-16 v6 trucks. Is this correct?

    Asked by: Russtyshackleford
    The only model that will work on this truck is the DASHPAQ+ GM GAS - 20601
    Answered by: Anthony M
    Date published: 2020-02-25

    To disable afm, does it always have to be plugged in ? 

    Asked by: Pinkg1991
    No you will remove the flashcal after the tune is installed
    Answered by: Anthony M
    Date published: 2020-02-25

    WILL THIS WORK ON MULTIPILE VEHICLES ? I OWN TWO 2013 CHEVYS BOTH WITH 5.3L

    Asked by: SARNOLD
    It will work on 1 vehicle at a time. You can return the original back to stock and then it can be used on a different vehicle
    Answered by: Anthony M
    Date published: 2020-01-22

    Will this work with a 2008 gmc sierra 1500 with a 4.3L engine to correct tire size and adjust shift points?

    Asked by: PwIley
    Unfortunately we do not support this vehicle
    Answered by: Anthony M
    Date published: 2020-01-22

    I have a 2019 Chevy 1500 v6. Will this raise the factory speed limit of 98mph?

    Asked by: Brandojax33
    We do not have support for this vehicle right now but we are working on it
    Answered by: Anthony M
    Date published: 2020-02-25

    I have a 2009 GMC Sierra hybrid. Will this, or any programmer turn the afm off

    Asked by: Cdh9400t
    Unfortunately we do not support hybrid vehicles
    Answered by: Anthony M
    Date published: 2019-11-04

    Hi, I have a 2014 sierra with the afm. Will this programmer allow me to turn off the afm for good or does it temporarily disable it? And does the unit have to stay plugged in to the truck?

    Asked by: Gottaplay350
    This model will allow you to disable the AFM. That will stay off until you retune the vehicle and turn it back on!!
    Answered by: Anthony M
    Date published: 2020-02-24

    I have a 2013 Chevy Silverado 5.3. Can I use this to disable the AFM so it will always run on 8 cylinders?

    Asked by: James R
    Yes it will allow you to turn off the AFM so it stays in v8 mode
    Answered by: Anthony M
    Date published: 2020-02-24
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