Diagnostic Aids
WARNING: This page is about a different car, the 2008 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
The scan tool control of the CMP actuator is inhibited when DTC P0016 or P0017 sets.
- Inspect the engine for any recent engine mechanical repairs. An incorrectly installed camshaft, camshaft actuator, camshaft sensor, crankshaft sensor, or timing chain can cause this DTC to set.
- An actuator that is in the full advance or retard position can cause this DTC to set.
- Excessive crankshaft endplay can cause this DTC to set.
- A crankshaft reluctor wheel that has moved in relationship to top dead center (TDC) on the crankshaft can cause this DTC to set.