P0394
PowertrainCrankshaft Camshaft Positionmoderate severityCamshaft Position Sensor B Circuit Intermittent (Bank 2)
What P0394 Means
The Bank 2 camshaft position sensor B produces an intermittent signal. Faults may appear only under vibration or heat.
Symptoms
- Intermittent stalling
- Occasional MIL
- Random rough running
Common Causes
- Loose or corroded connector
- Chafed wiring
- Faulty camshaft position sensor
- Damaged tone wheel
Diagnostic Steps
- Check stored and pending codes
- Wiggle-test harness while monitoring signal
- Inspect connector and sensor mounting
- Repair wiring or replace sensor
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