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

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.

RepairPal Verified
Average mileage: (–)
Engine affected: 5.7L V8 HEMI
1 model year affected: 2009
1 person reported this problem
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews