Engine control module with matching immobilizer, ignition and key from a 2006 Honda Civic Si. This was carefully removed from a vehicle that ran well with no check engine light on. The case and connectors have no broken parts. The aftermarket key turns smoothly in the ignition without excessive play. The images are of the actual items you will receive. No programming is required if the entire set is installed. Fits 2006 Honda Civic Si with part number 37820-RRB ending in A04, A05, 305 or 315 ONLY.