P0345 OBD-II: Camshaft Position Sensor "A" Circuit

What Does P0345 Code Mean?

OBD-II Code P0345 is defined as a Camshaft Position Sensor "A" Circuit

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 P0345.

P0345 Symptoms

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

Common Problems That Trigger the P0345 Code

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

Common Repairs Needed for the P0345 Code

• Camshaft Position Sensor Replacement