P0394
Camshaft Position Sensor B Circuit Intermittent Bank 2
P0394 is an OBD-II diagnostic trouble code meaning: Camshaft Position Sensor B Circuit Intermittent Bank 2. Common causes: broken or damaged wiring harness, camshaft position sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Check Engine light comes on
- Reduced engine power
- The engine goes into emergency mode
Causes
- Broken or damaged wiring harness
- Camshaft position sensor malfunction
- Oxidized or damaged connectors
- Circuit Grounding Problems
- Malfunction of the engine control unit (rare)
How to Fix
- Check the integrity of the wiring harness and connectors
- Check the resistance and signal of the camshaft position sensor
- Clean or replace connectors if necessary
- Replace the camshaft position sensor if it is faulty
- Check and restore circuit grounding
Related codes
Error P0394 by Vehicle Brand
FAQ
What does the P0394 code mean?
P0394 is an OBD-II diagnostic trouble code that indicates: Camshaft Position Sensor B Circuit Intermittent Bank 2
What causes a P0394 error code?
The most common causes of P0394 include: Broken or damaged wiring harness; Camshaft position sensor malfunction; Oxidized or damaged connectors; Circuit Grounding Problems.
How do I fix a P0394 diagnostic trouble code?
To fix P0394: Check the integrity of the wiring harness and connectors. Check the resistance and signal of the camshaft position sensor. Clean or replace connectors if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0394?
Limited driving only, diagnose soon
How much does it cost to fix P0394?
The estimated repair cost for P0394 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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