Flashcal F5 Jeep Gas

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!

NOTE:
Part # 18GBJ is required for use with 2018+ JL Wrangler and JT Gladiator.

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
• 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