A Grand Cherokee Power Module puts you in charge of engine performance. When Jeep engineered your Grand Cherokee, they programmed the engine for the typical driver. If you're more than typical, take back the power to dictate your engine operation. Your Jeep Grand Cherokee Power Module lets you to do just that. Plus, it's custom-designed for your vehicle, so when you need an ECM for your Jeep Grand Cherokee, know you're getting the right product with our make, model, year search.