Rough Idle After Cold Start With Code P050D Stored on Jeep Grand Cherokee

The engine may develop a rough idle after cold start with the Check Engine Light illuminated and code P050D stored. Our technicians tell us a powertrain control module (PCM) software upgrade is available to correct this concern.

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Average mileage: 50,000 (50,000–50,000)
Engines affected: 3.7L V6, 4.0L 6 Cylinder, 6.1L V8 HEMI, 4WD
3 model years affected: 1998, 2008, 2009
4 people reported this problem
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