Home/Kia/2009/P0340

2009 Kia P0340: What It Means & Is It Safe to Drive?

P0340 on the 2009 Kia: Camshaft Position Sensor Circuit Malfunction. Here's what it means, what usually causes it, what repairs typically cost, and whether it's safe to keep driving.

PowertrainHigh urgency

What this code means

The PCM is not receiving a valid signal from the camshaft position sensor. Affects ignition timing and fuel injection.

Common causes on the 2009 Kia

  • Failed camshaft position sensor
  • Wiring or connector issue
  • Timing chain/belt misalignment (less common)

Symptoms

  • Check Engine Light
  • No start or hard start
  • Rough run, stalling
  • Reduced power

Typical fixes

  • Replace camshaft position sensor
  • Repair wiring/connector
  • Verify timing if sensor replacement doesn't fix

Repair cost range

For a 2009 Kia, repairs for P0340 typically fall between $100 and $500, depending on the root cause and labor rates in your area.

Known issues on Kia

Kia shares the Theta-I engine and CMP sensor failure pattern with Hyundai; connector corrosion is the most common cause. Inspect and clean the harness before condemning the sensor itself.

Most commonly affected models

Optima 2006–2010Sportage 2005–2010Sorento 2006–2010

See all codes for your Kia

Looking for a different code, or want the full guide without the year filter?