Crankshaft/Camshaft Position Correlation (Bank 1)
What it means
The crankshaft and camshaft position sensors are out of sync — the timing relationship is wrong.
Symptoms
Hard starting, rough running, rattle, possible no-start.
Common causes
Stretched timing chain, failed VVT phaser, oil control valve, or a sensor fault.
Recommended action
Have the timing chain/phasers and oil control valve inspected — driving risks engine damage.
Related codes
FAQ — P0016
What does code P0016 mean?
Crankshaft/Camshaft Position Correlation (Bank 1). The crankshaft and camshaft position sensors are out of sync — the timing relationship is wrong.
What are the symptoms of P0016?
Hard starting, rough running, rattle, possible no-start.
What causes P0016?
Stretched timing chain, failed VVT phaser, oil control valve, or a sensor fault.
What should I do about P0016?
Have the timing chain/phasers and oil control valve inspected — driving risks engine damage.
General reference based on the SAE J2012 standard. Exact causes for your vehicle may differ — when in doubt, consult a workshop.
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