Can the Miles Tracker detect problems with my car? OBD-II, Reader, Fault, Codes, Detect It certainly can. The Miles Tracker collects fault codes from your car. You can see these by going to 'My Glovebox' in the app and tapping on 'Car Medic'. Related articles A red light started flashing when I plugged in the Miles Tracker. Is that correct? Will you use data about my speed from the Miles Tracker to refuse a claim? Can plugging in the Miles Tracker damage the car's electronics in any way? Car Medic is telling me there's something wrong with my car. What should I do? On a connect policy, will By Miles drain my car battery if it keeps checking for my car’s mileage?