J-CAL Programmer JKS - Jeep 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 (only Rubicon)
• 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:

• Work only with one car (VIN number)
• Fits only to petrol models