Jeep Wrangler JK Performance Programmer 2007-2018

  • $155.97
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Jeep Wrangler JK Performance Programmer 2007-2018

The latest product to hit the market from JKS is a Jeep Wrangler JK Performance Programmer designed to correct the electronic issues associated with the 2007-2015 Jeep Wranglers in the form of a multi-function calibration tool known as the J-Cal Programmer.  Designed with the JK owner in mind, this programmer plugs into the OBD-II port and gives you the freedom to dial in your Jeep and even read and clear diagnostic trouble codes.  The module is internet updateable and is as easy as plug in, follow the on-screen instructions, unplug and store away.  J-Cal is made for Jeepers who want more from their JK.


  • Application: 2007-2018 Wrangler JK
  • Corrects speedometer for tire sizes up to 42"
  • Speedometer recalibration for gear /axle swaps up to 5.38s
  • Locking axle options with transfer case in 4-Hi & 4-Low (2007+ Rubicon only)
  • Engine idle adjustability for winching
  • ESP stability control re-calibration and optimization (2011+ automatic transmission models only)
  • Daytime running light options (2007+ models only)
  • Horn chirp and exterior lighting flash options when locking doors with keyless entry
  • One touch lane change
  • TPMS Options (Download required)
  • Radio delay options (2011+ models only)
  • Headlamp delay options (2011+ models only)
  • Reads and clears diagnostic trouble codes
  • Internet updatable
  • Upgradable to allow performance tuning (2007+ models only)

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