This is what I use and it works flawlessly - JScan – OBD JScan – Mobile Jeep Diagnostic Tool
You can download it free from itunes or play store for free to see all of its functionality. Live data was really helpful while towing a loaded traielr and driving in 40mph winds. Ive adjusted my TPMS, tire size, DRL, and a few other smaller things that I could not adjust in my dash settings.
This software goes more in depth plus it works on my patriot too. But you can disable pwm on your lighting so they don’t flicker if you want to go led or hid and they get full voltage so they are brighter too. Just one of many features.
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