What does code P0343 mean?
High or erratic signal detected from CMP sensor
OBD-II Code
P0343 — Camshaft Position Sensor Circuit High Input
High or erratic signal detected from CMP sensor
Common symptoms
- Engine stalling
- severe hesitation
Possible causes
- Signal shorted to voltage
- faulty CMP sensor
- damaged harness
Initial recommendation
Inspect wiring, power supply and replace CMP sensor.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0343 with your vehicle's actual symptoms for more complete diagnostic guidance.
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