This Engine Control Module (ECM/PCU) is a must-have for any Jeep Grand Cherokee 3.7L owner looking to upgrade their vehicle's performance. Designed to work seamlessly with your car's engine, this module ensures optimal ignition and fuel control, leading to a smoother and more efficient driving experience. With its high-quality construction and reliable performance, this ECU/PCU is the perfect choice for those who want to take their Jeep Grand Cherokee to the next level.