ac works while driving quits when stopped check engine light on.

First step is scanning the car's computer for trouble codes. Most auto parts stores will scan the car for free and then you can report back with the code. If the car is under warranty still you will want to bring it there first. If you prefer to have a shop take a look, use this link to find a good one near you.https://repairpal.com/repair-shops Alex

Have radiator cooling fan operation checked - fan MUST be operational while vehicle is at a stand still with A/C on! At highway speed - RAM AIR is providing the necessary air flow.