2018 GMC Terrain Audio Equipment Radio Receiver Control Module 84388713

2018 GMC Terrain Audio Equipment Radio Receiver Control Module -- Dealer Unlock Required -- Professionally remanufactured and 100% working order. Item may have normal signs of wear. Part Number: 84388713 Interchange Part Number: 638-GMC Compatible Part Number: None Option Code: None This is a Professionally Remanufactured Audio Equipment Radio Receiver Control Module that fits 2018 GMC Terrain. Please see pictures for more cosmetic details. This item has been cleaned, serviced as needed and thoroughly checked. Function is in 100% working order! Dealer unlock is required upon installation. This unit is being sold as a REPLACEMENT ONLY! The part number is 84388713. If you do not have this exact part number, or compatible part number currently in your vehicle, it will likely NOT WORK. If you are unsure of your part number, contact us with your VIN and they 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.