P0342: Camshaft Position Sensor Circuit Low Input

MediumPowertrainValve Timing

What does P0342 mean?

P0342 is a diagnostic trouble code indicating "Camshaft Position Sensor Circuit Low Input". The ECU is detecting a voltage reading that is below the expected range in the valve timing circuit. This typically points to a wiring short, a faulty sensor, or a grounding issue.

Common causes

  • Damaged or corroded wiring harness
  • Loose or disconnected electrical connector
  • Failed valve timing sensor or actuator
  • Blown fuse in the related circuit
  • Poor ground connection

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

P0341Camshaft Position Sensor Circuit Range/Performance
P0343Camshaft Position Sensor Circuit High Input
P0340Camshaft Position Sensor Circuit Malfunction
P0344Camshaft Position Sensor Circuit Intermittent