OBD-II code · Powertrain (generic)

P0016 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A)

Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A): the value does not correlate with the related sensor or expected pattern. This relates to engine timing; a fault can cause rough running, a no-start, or timing errors.

Is it safe to drive with P0016?

Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.

Common causes

  • Most likelyTiming chain stretched
  • PossibleChain tensioner worn or stuck
  • PossibleCam phaser internally failed

Symptoms

  • Check engine light on
  • Power loss especially in mid-rpm range
  • Possible rough idle or stalling
  • Increased fuel consumption

Repair at a glance

Difficulty
Hard
DIY friendly
Best left to a mechanic
Typical labour
3–12 h
Emissions test
Likely to fail
After the fix
A drive cycle is needed before the light stays off
Parts involved
Timing Chain, Timing Chain Tensioner, Camshaft Position Sensor, Crankshaft Position Sensor

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.