P0393
Camshaft Position Sensor B Circuit High Bank 2
P0393 is an OBD-II diagnostic trouble code meaning: Camshaft Position Sensor B Circuit High Bank 2. Common causes: camshaft position sensor malfunction, damage to the wiring harness to the sensor. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Power reduction
- Increased fuel consumption
- Difficulty starting the engine
- Check Engine light comes on
Causes
- Camshaft position sensor malfunction
- Damage to the wiring harness to the sensor
- Short circuit in the sensor circuit
- Problems with the sensor connector
- Engine control unit malfunction
How to Fix
- Carry out diagnostics with a scanner to confirm the error.
- Visually inspect the sensor and wiring harness for damage.
- Check the connection and contacts of the sensor connector
- Measure the resistance and voltage in the sensor circuit
- If necessary, replace the sensor or repair the wiring harness
- Clear the error and check if it comes back
Related codes
Error P0393 by Vehicle Brand
FAQ
What does the P0393 code mean?
P0393 is an OBD-II diagnostic trouble code that indicates: Camshaft Position Sensor B Circuit High Bank 2
What causes a P0393 error code?
The most common causes of P0393 include: Camshaft position sensor malfunction; Damage to the wiring harness to the sensor; Short circuit in the sensor circuit; Problems with the sensor connector.
How do I fix a P0393 diagnostic trouble code?
To fix P0393: Carry out diagnostics with a scanner to confirm the error.. Visually inspect the sensor and wiring harness for damage.. Check the connection and contacts of the sensor connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0393?
Limited driving only, diagnose soon
How much does it cost to fix P0393?
The estimated repair cost for P0393 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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