Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- DTC P0340 is a Type B DTC.
- The CMP actuator if equipped is commanded to the parked position.
- The ignition system defaults to a failed CMP sensor limp home mode.