P0016 Subaru Crosstrek
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 Subaru Crosstrek 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 Subaru Crosstrek.
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 Subaru Crosstrek.
Common Causes on Subaru Crosstrek
- Camshaft sprocket bolt loosened on FA20/FB25 Boxer engine (known issue)
- AVCS (Active Valve Control System) solenoid stuck from oil sludge
- Timing chain stretch on high-mileage FB25 2.5L engine
- Low oil level from head gasket weepage or PCV system issue
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 Subaru Crosstrek
Subaru cam sprocket bolt loosening is a known TSB issue; check for updated torque specification.