P0016
DTC P0016
Circuit Description
The powertrain control module (PCM) uses the crankshaft position (CKP) sensor and the camshaft position (CMP) sensor information to monitor the correlation between the crankshaft and camshaft positions. If the deviation between the crankshaft and CMP exceeds a calibrated amount DTC P0016 will set.
Conditions for Running the DTC
- The engine is running.
- The minimum voltage is 11 volts.
- The variable camphaser is commanded to zero for more than 16 seconds.
Conditions for Setting the DTC
The deviation between the crankshaft and the camshaft positions exceeds a calibrated amount.
Action Taken When the DTC Sets
- The control module illuminates the malfunction indicator lamp (MIL) on the second consecutive ignition cycle that the diagnostic runs and fails.
- The control module records the operating conditions at the time the diagnostic fails. The first time the diagnostic fails, the control module stores this information in the Failure Records. If the diagnostic reports a failure on the second consecutive ignition cycle, the control module records the operating conditions at the time of the failure. The control module writes the operating conditions to the Freeze Frame and updates the Failure Records.
Conditions for Clearing the MIL/DTC
- The control module turns OFF the malfunction indicator lamp (MIL) after 3 consecutive ignition cycles that the diagnostic runs and does not fail.
- A current DTC, Last Test Failed, clears when the diagnostic runs and passes.
- A history DTC clears after 40 consecutive warm-up cycles, if no failures are reported by this or any other emission related diagnostic.
- Clear the MIL and the DTC with a scan tool.
Diagnostic Aids
The following conditions may cause this DTC to set:
- An improperly torqued harmonic balancer
- A mis-built or mis-timed engine
- A loose or missing crank damper bolt
- The camphaser solenoid stuck open
- The camphaser stuck in a position other than 0 degrees
Test Description
The number below refers to the step number on the diagnostic table.
2 If this DTC sets, there is a problem with the CMP actuator solenoid high control circuit shorted to voltage or the solenoid stuck open.
