We've done our homework and have loaded the Flashcal with the most sought-after options for your JK. Take full advantage of the most popular aftermarket upgrades your late model JK craves. If you've added tires or gears to your Jeep, Flashcal is a must!

Features

Corrects speedometer for tire upgrades between 26-42 in.

Speedometer recalibration for gear swaps up to 5.38

Locking axle options with transfer case in 4-Hi and 4-Low (Rubicon only)

Engine idle adjustability for winching

Daytime running light options

One touch lane change

TPMS On/Off

TPMS Threshold Adjustment

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

Upgradeable to Flashpaq Tuner

Fog Light Drop-Out (JL/JT)

Transfer Case Ratio Adjustments