Restore reliable dash and gauge communication on your 2005 Malibu with the Medallion MMDC-A module featuring J1939 CAN data bus support. This is the MMDC-A Only unit (not a full kit), designed as the correct replacement when original Malibu/Medallion MMDC-A listings are discontinued. Ideal for addressing 2005 applications where radio interference notes apply, this rugged, sealed control module is built to integrate with your existing Medallion/Malibu dash and electrical system connections. Product: MMDC-A Only module Network/Protocol: J1939 CAN Data Bus Model Year Fitment: 2005 Malibu applications Manufacturer: Medallion Medallion Part Number: 7020-20033-01 Replaces (discontinued) Malibu/Medallion SKUs: 3737014 (6931-21037-10) = MMDC-A Kit, w/J1939 Data-Bus, EFI, ’05 3737015 (7020-20019-01) = MMDC-A Only, w/J1939 CAN Data Bus, ’05 Notes: Verify part number and 2005 J1939 CAN-bus compatibility before ordering to ensure correct integration with your Malibu dash/electrical system.