P0633-42: Immobilizer Key Not Programmed - ECM/PCM - General memory failure: Action

Using the manufacturer approved diagnostic system, carry out the immobilization procedure
Check for CAN network interference/engine control module related errors. Re-configure the engine control module using the manufacturer approved diagnostic system. Re-configure the instrument panel control module using the manufacturer approved diagnostic system
Using the manufacturer approved diagnostic system check and install latest relevant level of software to the engine control module
Check and install a new engine control module as required