P0393 Code - Camshaft Position Sensor 'B' Circuit High Bank 2
Quick Answer
The Camshaft Position Sensor is an electronic device used in an engine to record the rate at which the camshaft is spinning. Common causes include Faulty Camshaft Position Sensor, Camshaft Position Sensor harness is open or shorted, Camshaft Position Sensor circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0393 indicates Camshaft Position Sensor 'B' Circuit High Bank 2.
- Common causes
- Common causes include Faulty Camshaft Position Sensor, Camshaft Position Sensor harness is open or shorted, Camshaft Position Sensor circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0393 Description
When the engine is running, the high and low parts of the teeth cause the gap with the sensor to change. The changing gap causes the magnetic field near the sensor to change. The change in the magnetic field cause the voltage from the sensor to change.
When the crankshaft position sensor (POS) system becomes inoperative, the camshaft position sensor provides various controls of engine parts instead, utilizing timing of cylinder identification signals.
What are the Possible Causes of the DTC P0393?
- Faulty Camshaft Position Sensor
- Camshaft Position Sensor harness is open or shorted
- Camshaft Position Sensor circuit poor electrical connection
- Faulty starter motor
- Starting system circuit
- Dead (Weak) battery
How to Fix the DTC P0393?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0393 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80β$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0393 code?
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Need Help with the Code?
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Information for Specific Makes
- P0393 Audi β Camshaft Position Sensor 'B' Circuit High Bank 2
- P0393 BMW β Camshaft Position Sensor 'B' Circuit High Bank 2
- P0393 Lexus β Camshaft Position Sensor 'B' Circuit High Bank 2
- P0393 MINI β Camshaft Position Sensor 'B' Circuit High Bank 2
- P0393 Scion β Camshaft Position Sensor 'B' Circuit High Bank 2
- P0393 Toyota β Camshaft Position Sensor 'B' Circuit High Bank 2
- P0393 Volkswagen β Camshaft Position Sensor 'B' Circuit High Bank 2
Frequently Asked Questions about P0393 Code
No Frequently Asked Questions about P0393 Code found.
Discuss the causes and fixes for P0393 OBDII Code
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For your vehicle the "Camshaft Position Sensor 'B' Bank 2" It is also called "Camshaft Position Sensor Exhaust Bank 2" The sensor is on the back of the engine, driver side.

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