DEM Status
The value indicates the status of the differential electronic module (DEM) (software related).
OK = AOC unit (coupling) is operating normally.
The coupling is fully open upon request = the AOC unit is fully open (request from the Brake Control Module (BCM))
The coupling is inactive or faulty (open) = AOC unit is open due to a fault in the system.
The Coupling is closed = AOC unit is closed due to a fault in the system.
The clutch is overheated = AOC unit is overheated.
The clutch is overheated (open) = the AOC unit is open due to overheating. No torque transferred to the rear axle.
The clutch completely locked on request = The AOC unit is completely locked (request from the brake control module (BCM)). Maximum torque transferred to the rear axle.