Keycard · X01 · Updated 10 Nov 2026
Maintenance Room
Verified stepsAwaiting notes
Maintenance Room is an X01 keycard in MW4 DMZ.
Screenshots
TypeKeycard
RarityAwaiting notes
Value shownAwaiting notes
MapX01
Verified facts
- Encode it from an Encodable Blank Keycard with Maintenance Access at the Supply Depot station.
- You can also find it as loot in X01.
- Use it on the Maintenance Room at the top of the Production Assembly, next to the fenced pipework, at E5. The door uses the card up.
- Climb the southwest metal stairs, the yellow ladder and the concrete stairs, then go through the room with the insulated pipe behind a red fence.
Linked Orders, areas, and items
Areas
Sources
- DMZ Map — X01 guide — Encode it from an Encodable Blank Keycard with Maintenance Access at t; Use it on the Maintenance Room at the top of the Production Assembly,
- COD Central — MW4 DMZ Orders — Encode it from an Encodable Blank Keycard with Maintenance Access at t
- MetaRadar — X01 Black Site guide — Encode it from an Encodable Blank Keycard with Maintenance Access at t; Use it on the Maintenance Room at the top of the Production Assembly,
- COD Central — Maintenance Room keycard — Encode it from an Encodable Blank Keycard with Maintenance Access at t; You can also find it as loot in X01; Use it on the Maintenance Room at the top of the Production Assembly, ; Climb the southwest metal stairs, the yellow ladder and the concrete s
- games.gg — Encodable Blank Keycards — Encode it from an Encodable Blank Keycard with Maintenance Access at t; You can also find it as loot in X01; Use it on the Maintenance Room at the top of the Production Assembly, ; Climb the southwest metal stairs, the yellow ladder and the concrete s