P0392
PowertrainCrankshaft Camshaft Positionmoderate severityCamshaft Position Sensor B Circuit Low Input (Bank 2)
What P0392 Means
The PCM reads an abnormally low voltage from the Bank 2 camshaft position sensor B. This suggests a short to ground or an open in the circuit.
Symptoms
- Hard start or no start
- Stalling
- Check engine light on
Common Causes
- Short to ground in wiring
- Faulty camshaft position sensor
- Open sensor power or signal wire
- Corroded connector
Diagnostic Steps
- Scan and note freeze frame
- Backprobe sensor for signal voltage
- Check for short to ground in harness
- Replace sensor or repair wiring
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