What Does P0346 Code Mean?

OBD-II Code P0346 is defined as a Camshaft Position Sensor "A" Circuit Range/Performance

The Camshaft Position Sensor measures the exact rotational position of the camshaft. This provides a critical data signal used by the engine control module (PCM) to control the fuel injectors and ignition coils. When the PCM detects an irregular signal or no signal, it will set code P0346.

P0346 Symptoms

  • Decreased engine performance
  • Engine may not start
  • Increased fuel consumption

Common Problems That Trigger the P0346 Code

  • Broken tone ring
  • Camshaft Position Sensor (CMP) failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue

Common Repairs Needed for the P0346 Code

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