Cliff's Notes broaden and strengthen your knowledge of a text without a big investment of time or money on your part. Likewise, a Cherokee PCM revamps your auto's onboard computer settings to make it run better. Taking only 10 to 20 minutes to install, a Jeep Cherokee PCM produces 10 to 20 additional horsepower and revs up the torque, boosting your car's power and performance. Plus, every one of our Jeep Cherokee powertrain control modules (PCM) comes with our 1-year lower price guarantee, ensuring you get the most bang for your buck.