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Model Years Affected: 2007, 2008
Our technicians tell us that various dirveability and Check Engine Light issues can be corrected by updating the powertrain control module (PCM) software.
jeep runs rough in gear not in park or nuetral and when at a stop sign or light, the motor has a shake. the P540 code is on
Common Problems > Jeep Patriot
Q&A > Jeep > 2009 Jeep Patriot