Spark Knock, Noise/Vibration/Harshness, and/or Check Engine Light Issues on Jeep Commander

Problem Description and Possible Solution

Spark knock, noise/vibration/harshness, and/or Check Engine Light issues may develop. Our technicians tell us powertrain control module (PCM) software upgrades may correct these concerns.

Problem Data
RepairPal Verified
Average mileage: 123,242 (98,000–159,000)
Engine affected: 3.7L V6
3 model years affected: 2006, 2008, 2009
9 people reported this problem
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bought it used has had a vibration in drive train since i bought it have tried fluid and filter change in trans. didnt help still have same vibration