AOC Status

Indicates the status of the Active on Demand Coupling when the diagnostic trouble code (DTC) was stored. The differential electronic module (DEM) obtains the signal from the brake control module (BCM). The signal is used to deactivate the Active on Demand Coupling during special driving conditions.

Normal operation = Request from the Brake Control Module (BCM) for the AOC unit (coupling) to operate normally.

Rapid opening = Request from the Brake Control Module (BCM) for the AOC unit (coupling) to open quickly.

Slow opening = Request from the Brake Control Module (BCM) for the AOC unit (coupling) to open slowly.

Error in BCM = An error has occurred in the Brake Control Module (BCM) which means that the Differential Electronic Module (DEM) opens the AOC unit (coupling).

Completely locked = Request from the brake control module (BCM) that the Active on Demand Coupling unit (clutch) should lock completely (maximum torque to the rear axle).

Torque limiting = Request from the brake control module (BCM) that the Active on Demand Coupling unit should limit the torque to the rear axle.