JKS J-Cal (Flashcal) Programmer

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  • JKS PWT3571

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JKS J-Cal (Flashcal) Programmer

This high quality J-Cal/Flashcal programmer was used during the development of our JSPEC lines of suspension products. It has been vigorously tested for both quality and accuracy to exceed the demands of both us here at JKS Manufacturing, and of course our customers who demand the best products for their Jeep vehicles. Featuring a color screen and simple to use interface, this programmer allows corrections to the speedometer when larger aftermarket tire sizes are installed and many other features allowing you to customize factory installed settings on your JK Wrangler.

Product Features

  • Corrects speedometer for tire sizes up to 42"
  • Speedometer re-calibration for gear /axle swaps up to 5.38s
  • Locking axle options with transfer case in 4-Hi & 4-Low (Rubicon only)
  • Engine idle adjustability for winching
  • Daytime running light options
  • One touch lane change
  • TPMS On/Off Option (Download Required)
  • 4WD-HI Axle Lock Capability
  • Accessory delay options (2011-17 models only - Includes adjustable delay for radios, accessory lights, and other aftermarket accessories tied to the same fuse)
  • Headlamp delay options (2011-17 models only)
  • Horn chirp and exterior lighting flash options when locking doors with keyless entry
  • Reads and clears diagnostic trouble codes
  • Internet updatable

Important Notes

  • Results and feature sets may vary based on vehicle make, model, and aftermarket upgrades. Read all instructions before installation and/or operation of this product use.
  • Will not fit Diesel engine equipped models.
  • 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.

View Installation Instructions

View Product Warranty

JKS J-Cal (Flashcal) Programmer Specs
Description: JKS J-Cal (Flashcal) Programmer

This product fits the following applications:

  • 07-17 Jeep Wrangler JK
Application by vehicle year

Manufacture Warranty Information

  • All warranty claims must be directed to JKS Manufacturing, Inc. directly, as dealers and distributors of JKS products are not authorized to make judgments on any warranty issues. JKS Manufacturing, Inc. stands behind its engineering and workmanship 100%, and warrantees all JKS products to be free from defects in workmanship and materials prior to installation. JKS Manufacturing, Inc. accepts no responsibility for any altered product, improper installation, or improper use of our products. JKS products are intended for off-road use only. Because of the heavy duty environment in which JKS products are used, it is not possible to warranty or guarantee the performance of any item, nor can we accept responsibility for breakage or failure. JKS Manufacturing, Inc. disclaims any expressed or implied warranties, and we disclaim any liability for actions resulting from failure or parts durability. JKS products and those manufactured by others may be subject to an infinite variety of conditions due to the manner in which they are used, serviced and/or installed. Purchasers and users of such products rely upon their own judgment as to the suitable use, selection, service, and installation.

Product fits the following applications

  • 2007 Jeep Wrangler JK
  • 2008 Jeep Wrangler JK
  • 2009 Jeep Wrangler JK
  • 2010 Jeep Wrangler JK
  • 2011 Jeep Wrangler JK
  • 2012 Jeep Wrangler JK
  • 2013 Jeep Wrangler JK
  • 2014 Jeep Wrangler JK
  • 2015 Jeep Wrangler JK
  • 2016 Jeep Wrangler JK
  • 2017 Jeep Wrangler JK
JKS J-Cal (Flashcal) Programmer
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