RP4-CH21 and 2016 + Vehicle Compatibility

Any 2016 - 2018 Chrysler / Dodge / RAM / Jeep vehicle SHOULD work with the RP4-CH21. The reason we do not list them however, is because in 2016 they added a few more vehicle settings (which are accessible through the factory radio) that we cannot add to the application. We cannot add them because we literally ran out of chip space/memory on the RP4 module. Once the CH4A-RS is released, it will be able to accommodate all of this and fill the gap. Until then, the CH21 SHOULD work, however you will lose access to a few of the vehicle settings found in the factory radio. If you want to try it, you should set all of the vehicle settings to their desired value before removing the factory radio.