1. 55111840AE, The A/C Heater Climate Control Module has been tested to ensure optimal operation. If your AC system is malfunctioning, outside and inside air doors flap intermittently even when the AC is off, or the system stops responding to temperature settings or exhibits inconsistent airflow, you may have an issue with your AC Heater Climate Control Panel. 2. Compatible with Jeep Models: 2007 Jeep Wrangler Climate Control Module, 2008 Jeep Wrangler Climate Control Module, 2009 Jeep Wrangler Climate Control Module, 2010 Jeep Wrangler Climate Control Module. 3. Replacement AC Control Panel: The AC Climate Control Module allows the driver to control the HVAC heating, ventilation, and air conditioning system by adjusting the control knob switches for desired airflow, speed, and interior temperature. Offers various airflow adjustment functions to meet different needs; internal circulation function helps reduce external pollutants entering the vehicle and improves air conditioning efficiency. 4. Reliability and Durability: This Climate Control Module is made of premium ABS material, sturdy and waterproof, durable, wear-resistant, and impact-resistant. Resists aging, features a smooth surface for comfortable handling, and ensures long service life with reliable performance. Direct replacement for worn HVAC switches, easily installed in minutes.