What is no bus reading?

Hello, No BUS is a reading saying that the scanner or info panel (multiple things will put this message out), cannot communicate with the rest of the vehicle. The CAN-BUS is how the separate components of the vehicle communicate, like internet for car systems. NO-BUS just means that something cannot talk to everything else. You are in need of professional diagnostics, and likely this will not be diagnosed at home, even for a seasoned DIYer. If you have other questions, or need more information, let me know, otherwise, here is a list of certified shops in your area with the training to repair your vehicle: http://repairpal.com/dodge-within-10-miles-of-tulare-california-93274