P0016 Mazda Cx-5
Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) · Powertrain Code · Critical · Repair: Moderate
What is P0016?
The crankshaft and camshaft position sensors on bank 1 are out of sync. Often caused by a stretched timing chain, jumped timing, or a failed VVT solenoid.
When the Mazda Cx-5 triggers code P0016 (crankshaft position - camshaft position correlation (bank 1 sensor a)), it typically points to an issue in the powertrain system. This is a critical severity code, so address it promptly to avoid further damage or safety concerns. Below you'll find the most common causes, symptoms, and repair options specific to the Mazda Cx-5.
This repair is rated moderate, meaning some experience and specialty tools required.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your Mazda Cx-5.
Common Causes on Mazda Cx-5
- VVT solenoid (oil control valve) stuck on 2.5L Skyactiv-G engine
- Timing chain stretch on high-mileage Skyactiv-G engines
- Camshaft position sensor failure from heat cycling
- Low oil level or incorrect viscosity affecting VVT operation
Symptoms
- Hard starting or extended cranking before engine fires
- Rough idle with noticeable engine vibration
- Rattling or chain-slap noise on cold startup
- Reduced engine power and sluggish acceleration
- Check engine light illuminated
- Intermittent stalling at idle
Notes for Mazda Cx-5
Mazda Skyactiv-G engines are generally reliable for timing chains; VVT solenoid is the most common cause.