One problem related to alternator/generator/regulator has been reported for the 2012 Jeep Patriot. The most recently reported issues are listed below.
When in idle at a traffic light, the Jeep engine shut off randomly with a beeping alarm and red flashing bolt on the dash, required me to turn the key to the off position and restart the car, this has also happened once while vehicle was in motion. Battery is new and both the battery and alternator tested good. When accelerating, braking, or steering, the cabin lights, headlights and dash/radio dim or brighten often slight flickering and some times the interior roof cab lights randomly turn on while driving even when no door is ajar and dimmer switch is turned down or completely off. Appears there is some sort of electrical short or power draw issue. The rear drum breaks continuously squeal, leak and leave rust residue corroding the rims even though I've had them maintained and changed by certified goodyear mechanics.