Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) J248 , replacing: Installing

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Place the new control unit into the retaining frame.
Install control unit connector and lock.
Check the previous coding and the coding of the new control unit → Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) J248 , coding
Match engine control unit to electronic immobilizer. → 01 ON BOARD DIAGNOSTIC (OBD)

Check DTC memory and, if necessary, repair any malfunctions and then erase → Diagnostic Trouble Code (DTC) memory, checking and erasing .
Generate readiness code → Readiness code, setting