Jeep Patriot Problem Report

Jeep Patriot PCM Software Update Available to Correct Various Driveability Issues

(5 reports)

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 -
When i stop it doesn't want to move. If i shut it off for a few minutes and start it back up its ok for a short while, then it happens again. -
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