P0340High severity

Camshaft Position Sensor Circuit

The camshaft position sensor circuit is malfunctioning.

Safe to Drive?
No

Have this diagnosed before driving further

Informational only. Consult a qualified mechanic.

Estimated Repair Cost
$100 - $400
Common Causes
  • Faulty cam sensor
  • Wiring damage
  • Timing chain stretch
  • PCM issue
Recommended Action

Replace the camshaft position sensor. May cause starting issues.

What does P0340 mean?

The P0340 OBD-II diagnostic trouble code (DTC) indicates: camshaft position sensor circuit. This is a high-severity powertrain code that your vehicle's onboard diagnostics system triggers when the camshaft position sensor circuit is malfunctioning. If your check engine light is on with this code, you should have the vehicle inspected immediately before driving further.

Use Your Service Book to log this diagnostic trouble code to your vehicle's service history, track repairs, and get maintenance reminders — all for free.

Track codes on your vehicle — sign up free

Log OBD-II codes, get maintenance reminders, and keep your complete service history.