Set Condition
WARNING: This page is about a different car, the 2013 RAM 3500 HD and 2013 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
At key on, engine not running the Crankcase Pressure Sensor reading is higher than a calibrated threshold, or during engine operation the crankcase pressure reading is not changing with engine operating conditions.