P0016 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)
The signals from the crankshaft and intake camshaft sensors do not line up as expected. This often points to a mechanical timing problem.
Common causes
- Stretched timing chain or worn guides
- Timing belt or chain jumped a tooth
- Faulty camshaft or crankshaft sensor
- Damaged reluctor ring
Symptoms
- Check engine light
- Rattling at start-up
- Hard starting or no start
- Reduced power
What to check
- Do not ignore - a jumped chain can damage the engine
- Check cam/crank correlation values with a scan tool
- Inspect timing components and marks
Manufacturers may add their own detail to generic codes. If your vehicle shows a different description for P0016, follow the service information for that make and model.
Related codes
- P0010 Camshaft Position Actuator "A" Circuit (Bank 1)
- P0011 Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1)
- P0012 Camshaft Position "A" - Timing Over-Retarded (Bank 1)
- P0013 Camshaft Position "B" Actuator Circuit (Bank 1)
- P0014 Camshaft Position "B" - Timing Over-Advanced or System Performance (Bank 1)
- P0017 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor B)