P0394 Code - Camshaft Position Sensor 'B' Circuit Intermittent 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
- P0394 indicates Camshaft Position Sensor 'B' Circuit Intermittent 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 P0394 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 P0394?
- 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 P0394?
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 P0394 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0394 code?
Need more information on how to fix the P0394 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0394 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- P0394 Chrysler — Camshaft Position Sensor Intermittent Bank 2 Sensor 2
- P0394 Dodge — Camshaft Position Sensor Intermittent Bank 2 Sensor 2
- P0394 Ford — Camshaft Position Sensor 'B' Circuit Intermittent Bank 2
- P0394 Jeep — Camshaft Position Sensor Intermittent Bank 2 Sensor 2
- P0394 RAM — Camshaft Position Sensor Intermittent Bank 2 Sensor 2
Frequently Asked Questions about P0394 Code
1. What are the common symptoms of OBDII code P0394 related to the Camshaft Position Sensor 'B' Circuit Intermittent Bank 2?
- Common symptoms include rough idling, engine misfires, poor acceleration, and potential stalling of the vehicle.
2. What are the possible causes of OBDII code P0394?
- The code can be triggered by issues such as a faulty camshaft position sensor, wiring problems, poor electrical connections, or a malfunctioning engine control module (ECM).
3. How can I diagnose the Camshaft Position Sensor 'B' Circuit Intermittent Bank 2 issue?
- Diagnosis involves using an OBDII scanner to read the code, checking the wiring and connections related to the camshaft position sensor, and performing tests to determine the sensor's functionality.
4. What is the significance of the Camshaft Position Sensor in a vehicle?
- The camshaft position sensor monitors the position of the camshaft to ensure proper timing of fuel injection and ignition, playing a crucial role in the engine's performance.
5. Can I continue driving with OBDII code P0394 present?
- It is not recommended to drive with this code present, as it can lead to poor engine performance, potential damage, and increased fuel consumption if left unresolved.
6. How can I repair OBDII code P0394 related to the Camshaft Position Sensor 'B' Circuit Intermittent Bank 2?
- Repair involves replacing the faulty camshaft position sensor, repairing any damaged wiring or connections, and clearing the code using an OBDII scanner.
7. Are there any preventive measures to avoid OBDII code P0394 from occurring?
- Regular vehicle maintenance, such as checking and replacing sensors as recommended by the manufacturer, can help prevent issues like the Camshaft Position Sensor 'B' Circuit Intermittent Bank 2 problem.
8. Can a DIY enthusiast fix OBDII code P0394 at home?
- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to replace the camshaft position sensor or address wiring issues related to the code.
9. How long does it typically take to repair OBDII code P0394?
- The repair time can vary depending on the exact cause and accessibility of components, but it may take anywhere from 1 to 3 hours for a professional mechanic to address the issue.
10. Will resetting the OBDII code P0394 on my own resolve the underlying problem?
- Resetting the code without addressing the root cause, such as a faulty camshaft position sensor, will likely result in the code reappearing once the issue persists. It's essential to diagnose and repair the problem to prevent future occurrences.
Discuss the causes and fixes for P0394 OBDII Code
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I have changed the sensor but the code is still there. Does anyone have any info as to how to test/check the wiring? Any schematics, check points, or voltages?
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Here is the wire diagram from the factory service. If the sensor is new, then the next step is to check the wires from the sensor to the PCM
Click here to enlarge image -
Dodge Journey 2014 is the same code replaced the camshaft position sensor and code is the same
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