P0344: Camshaft Position Sensor Circuit Intermittent

MediumPowertrainValve Timing

What does P0344 mean?

P0344 is a diagnostic trouble code indicating "Camshaft Position Sensor Circuit Intermittent". A sensor in the valve timing is reporting abnormal data or has lost communication with the ECU. Sensors can fail due to age, contamination, heat exposure, or wiring issues.

Common causes

  • Faulty valve timing component
  • Wiring or connector issue in the related circuit
  • Failed sensor providing incorrect readings
  • Software/calibration issue requiring ECU update
  • Related component causing secondary fault

What should you do?

Schedule a diagnostic appointment at your earliest convenience. The vehicle is generally safe to drive short distances, but the underlying issue should be addressed to prevent it from worsening.

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Related codes

P0343Camshaft Position Sensor Circuit High Input
P0345Camshaft Position Sensor A Circuit (Bank 2)
P0342Camshaft Position Sensor Circuit Low Input
P0346Camshaft Position Sensor A Circuit Range/Performance (Bank 2)