2011 - 2012 Scion TC AM FM Radio mp3 CD Player with Pioneer Audio System. No Code Required. Part Number: PT546-00100. This is for a Scion AM FM Radio mp3 CD Player with Pioneer Audio System. This radio that has been professionally remanufactured, cleaned, and serviced as needed and thoroughly checked. The radio's appearance is great, as pictured, and is in 100% working order. This radio is being sold as a REPLACEMENT ONLY! The part number is PT546-00100. If you do not have this exact part number currently in your vehicle, it will likely NOT WORK. If you are unsure of your part number, give us a call with your VIN and we should be able to provide you with the correct part number. They may look the same and have the same plugs but data streams may be different, not allowing them to code. For example, external amps are used in some cars and will not allow interchange, etc.