Action Taken When the DTC Sets

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

DTCs P0341, P0346, P0366, and P0391 are Type B DTCs.
The CMP actuator is commanded to the Home or Parked position.
The ignition system defaults to a failed CMP sensor based on the CKP sensor.