Check Engine Light With Code P0139, and/or P0571 on Jeep Patriot

The Check Engine Light may illuminate with code P0139 and/or P0571. Our technicians tell us the revised powertrain control module (PCM) is available to correct this concern.

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Average mileage: 31,000 (31,000–31,000)
2 model years affected: 2007, 2009
3 people reported this problem
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problem details
2007 Jeep Patriot 31,000 mi,
code P0139 Dealer replaced o2 sensor 3 times and pcm once. Check engine light still on.