YOU WILL NEED TO BRING OR SEND; 1X WORKING KEY, 1X CAS MODULE, 1X MSD80, 1X MSD81 ECU. MSD81 ECU WILL BE PLUG & PLAY ONCE YOU RECIEEVE IT BACK. VIN, SECURITY BLOCKS, KEY DATA, INJECTOR CODING ALL TRANSFERRED OVER TO NEW ECU AND MATCHED TO THE CAS MODULE.
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