J-Cal/Flashcal programmer JKS

Multifunctional device from JKS

Larger tires, gear swaps and other aftermarket products require a tool for reprogramming some factory settings. JKS programmer is a great solution. Featuring a color screen and simple to use interface, Flashcal corrects to your Jeep’s speedometer calibration for use with up to 42” aftermarket tires, gear swaps up to 5.38:1, locking axle settings and a whole slew of ergonomic features that make sense for daily use, but can get in the way off-road. Flashcal also reads and can clear error codes and more.

Specs:

• Corrects speedometer for tire upgrades between 26- 40"
• Speedometer recalibration for gear /axle swaps up to 5.38
• Locking axle options with transfer case in 4-Hi and 4-Low (Rubicon only)
• Recalibrate tire pressure monitor
• Engine idle adjustability for winching
• ESP stability control re-calibration and optimization
• Daytime running light options
• Horn chirp and exterior lighting flash options
• One touch lane change
• Reads and clears diagnostic trouble codes
• Internet updatable
• Upgradable to allow performance tuning

Notes:

• One set can be used with one car ONLY, then it's blocked for any other
• Fits to petrol models ONLY