What does OBD2 code P0343 mean?+
P0343 stands for Camshaft Position Sensor A Circuit High Input. CMP sensor signal voltage is too high.
What causes code P0343?+
Open circuit in signal wire; Short to power; Faulty sensor; Damaged wiring
How do I fix code P0343?+
Check for open circuit in wiring; Test for short to power; Replace CMP sensor
How much does it cost to fix P0343?+
Estimated repair cost for P0343 is $100–$300.
Is P0343 DIY-friendly?+
Yes — P0343 is generally DIY-friendly with basic tools.