Jeep Repair Problems? Ask a Mechanic for Answers ASAP
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There are hundreds of things that will turn the light on. Let's see what fault codes are stored.
Cycle the key from off to on three times ending with it on and watch the digital odometer display. Don't crank the starter, just off to on. The codes start with a P and have four numbers, there may be more than one stored. Write down any that you see and post them here.