P0339 Code - Crankshaft Position Sensor 'A' Circuit Intermittent
Quick Answer
The Crankshaft position sensor also known as the crank position sensor is an electronic device used in an engine to record the rate at which the crankshaft is spinning. Common causes include Faulty crankshaft position sensor, Crankshaft position sensor harness is open or shorted, Crankshaft 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
- P0339 indicates Crankshaft Position Sensor 'A' Circuit Intermittent.
- Common causes
- Common causes include Faulty crankshaft position sensor, Crankshaft position sensor harness is open or shorted, Crankshaft 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 P0339 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.
What are the Possible Causes of the DTC P0339?
- Faulty crankshaft position sensor
- Crankshaft position sensor harness is open or shorted
- Crankshaft position sensor circuit poor electrical connection
- Signal plate may be damaged
- Starter motor may be faulty
- Starting system circuit
- Dead or weak battery
How to Fix the DTC P0339?
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
User Submitted Video
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0339 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.
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Information for Specific Makes
- P0339 Acura — Crankshaft Position Sensor Circuit Intermittent Interruption
- P0339 Buick — Crankshaft Position Sensor Circuit Intermittent
- P0339 Cadillac — Crankshaft Position Sensor Circuit Intermittent
- P0339 Chevrolet — Crankshaft Position Sensor Circuit Intermittent
- P0339 Chrysler — Crankshaft Position Sensor Intermittent
- P0339 Dodge — Crankshaft Position Sensor Intermittent
- P0339 Ford — Crankshaft Position Sensor 'A' Circuit Intermittent
- P0339 GMC — Crankshaft Position Sensor Circuit Intermittent
- P0339 Honda — Crankshaft Position Sensor Circuit Intermittent Interruption
- P0339 Hyundai — Crankshaft Position Sensor 'A' Circuit
- P0339 Jeep — Crankshaft Position Sensor Intermittent
- P0339 KIA — Crankshaft Position Sensor 'A' Circuit
- P0339 Lexus — Crankshaft Position Sensor 'A' Circuit Intermittent
- P0339 Mercedes-Benz — Crankshaft Position Sensor 'A' Circuit Intermittent
- P0339 Mitsubishi — Crankshaft Position Sensor Circuit Intermittent
- P0339 Scion — Crankshaft Position Sensor 'A' Circuit Intermittent
- P0339 Toyota — Crankshaft Position Sensor 'A' Circuit Intermittent
Frequently Asked Questions about P0339 Code
1. What are the common symptoms of OBDII code P0339 (Crankshaft Position Sensor 'A' Circuit Intermittent)?
- Common symptoms include rough idling, engine stalling, difficulty starting the engine, and a decrease in fuel efficiency.
2. What are the possible causes of OBDII code P0339?
- The code can be triggered by a faulty crankshaft position sensor, damaged wiring or connectors related to the sensor, or issues with the sensor circuit.
3. How can I diagnose the cause of OBDII code P0339?
- A thorough diagnostic process involves checking the crankshaft position sensor's wiring and connectors for damage, testing the sensor's functionality, and inspecting the sensor circuit for any faults.
4. Can a faulty crankshaft position sensor cause OBDII code P0339?
- Yes, a malfunctioning or failing crankshaft position sensor is a common cause of triggering code P0339.
5. What are some repair tips for addressing OBDII code P0339?
- Repair tips include replacing the crankshaft position sensor if faulty, repairing or replacing damaged wiring/connectors, and ensuring the sensor circuit is functioning properly.
6. How urgent is it to address OBDII code P0339?
- While your vehicle may still be operational with this code, it is recommended to address it promptly to prevent potential issues such as engine stalling or poor performance.
7. Can I drive my vehicle with OBDII code P0339?
- It is generally not recommended to drive your vehicle with this code present, as it can lead to engine performance issues and potential safety hazards.
8. How much does it typically cost to repair OBDII code P0339?
- The cost of repairing this code can vary depending on the cause of the issue, but it typically ranges from $100 to $300 for parts and labor.
9. Will resetting the OBDII system clear code P0339?
- Resetting the OBDII system may temporarily clear the code, but it will likely reappear if the underlying issue causing P0339 is not addressed.
10. Can a DIY enthusiast fix OBDII code P0339 at home?
- While diagnosing and repairing this code may be challenging for DIY enthusiasts, it is possible with the right tools, knowledge, and expertise in automotive repair.
Discuss the causes and fixes for P0339 OBDII Code
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im getting a message on my 02 Denali that says reduced engine power . it will only get up to 1500 rpm and only go 20 mph. any ideas?????
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What is the solution I changed the battery from a short period and return the same problem
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What model and year is your vehicle? since you got the P0339 code, it possible that you need to replace the Crankshaft Position Sensor.
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I got volvo s40 1.6D its 2007 i got the same code and it has lack power 2000rpm but i can drive it 60km/h below 2000rpm then i can get it coughing shaking past 2000rpm and its normal i can go as fast car go but in netrual when rev it goes 2000rpm it sound choking then sometimes you can hear like small knock but i checked everything and it had recently changed sensors before i bought it by volvo mechanics but think they f something up as there was peace light metal bent up around cranck sensor but it works im scared think it might be the ECM but hope its not expensive replace :/
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