What P0343 means

Camshaft Position Sensor A Circuit High Bank 1 or Single Sensor

Common causes (general)

Before spending money on parts, verify the code with a scan tool and read freeze frame data. Freeze frame captures every sensor value at the moment the code set — this is often enough to figure out the root cause without further testing.

Manufacturer-specific descriptions

Different manufacturers use this code for slightly different failure modes. Here's what your specific make means by P0343:

BMWCamshaft Position Sensor "A" Circuit High
FORDCamshaft Position Sensor Circuit High Input
MITSUBISHICamshaft Position Sensor Circuit High Input
NISSANCamshaft Position Sensor Circuit High Input
VOLKSWAGENCamshaft Position Sensor Circuit High Input
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