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Engine-Codes – Toyota – P0339 2007 Toyota Highlander

P0339 2007 Toyota Highlander Code - Crankshaft Position Sensor 'A' Circuit Intermittent

Quick Answer

The diagnostic trouble code (DTC) P0339 for a 2007 Toyota Highlander indicates a problem with the Crankshaft Position Sensor 'A' circuit being intermittent. Common causes include Faulty crankshaft position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor electrical connections. 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 2007 Toyota Highlander indicates Crankshaft Position Sensor 'A' Circuit Intermittent.
Common causes
Common causes include Faulty crankshaft position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor electrical connections.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code P0339 2007 Toyota Highlander Description

The diagnostic trouble code (DTC) P0339 for a 2007 Toyota Highlander indicates a problem with the Crankshaft Position Sensor 'A' circuit being intermittent. The crankshaft position sensor is a crucial component in the engine management system, as it monitors the position and rotational speed of the crankshaft. This information is essential for the engine control unit (ECU) to determine the ignition timing, fuel injection timing, and other critical functions.

OBDII Code P0339 2007 Toyota Highlander - Crankshaft Position Sensor 'A' Circuit Intermittent
P0339 2007 Toyota Highlander Code - Crankshaft Position Sensor 'A' Circuit Intermittent

Common Causes of P0339 2007 Toyota Highlander

  1. Faulty crankshaft position sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or poor electrical connections
  4. Issues with the ECU
  5. Engine overheating leading to sensor malfunction

Symptoms of P0339 2007 Toyota Highlander

  1. Engine misfires or runs rough
  2. Difficulty starting the engine
  3. Engine stalls or shuts off unexpectedly
  4. Reduced fuel efficiency
  5. Illumination of the Check Engine Light

How to Fix P0339 2007 Toyota Highlander

  1. Begin by diagnosing the exact cause of the intermittent signal, which may involve using a scan tool to read live data and monitor the sensor's output.
  2. Inspect the wiring and connectors for any damage, corrosion, or loose connections. Repair or replace as needed.
  3. Test the crankshaft position sensor's resistance and output voltage to determine if it is functioning correctly. Replace the sensor if necessary.
  4. Clear the DTC from the ECU memory and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to pinpoint the exact source of the intermittent signal disruption.

Cost to Fix P0339 2007 Toyota Highlander

The typical repair costs for addressing a P0339 code on a 2007 Toyota Highlander can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor in your area. It's important to note that diagnosis time and labor rates can vary, so it's advisable to consult with local auto repair shops for a more accurate estimate. Keep in mind that prompt attention to this issue can prevent more significant and costly repairs down the road.

What does this mean?

Tech Notes for P0339 2007 Toyota Highlander

Sometimes and in some models, low battery voltage or a weak starter can trigger a Crankshaft Position Sensor code. Before replacing any parts, recharge or replaced battery.

When is the Code Detected?

The crankshaft position sensor (POS) signal sent to the Electronic Control Module (ECM) is intermittent

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0339 2007 Toyota Highlander Code

1. What are the common symptoms of OBDII code P0339 on a 2007 Toyota Highlander?

Symptoms may include rough idling, engine stalling, difficulty starting the vehicle, and a noticeable decrease in engine performance.

2. What can cause the OBDII code P0339 'Crankshaft Position Sensor 'A' Circuit Intermittent' on a 2007 Toyota Highlander?

The code is usually triggered by a faulty crankshaft position sensor, damaged wiring or connectors related to the sensor, or issues with the sensor's circuit.

3. How can I diagnose the cause of OBDII code P0339 on my 2007 Toyota Highlander?

You can start by inspecting the wiring and connectors related to the crankshaft position sensor, testing the sensor itself, and checking for any loose connections or visible damage.

4. Is it safe to continue driving my 2007 Toyota Highlander with OBDII code P0339 active?

It is not recommended to drive the vehicle with this code active, as it can lead to further engine issues and potential safety hazards. It's best to address the problem promptly.

5. Can I repair OBDII code P0339 on my 2007 Toyota Highlander myself?

If you have experience with automotive repairs and diagnostics, you may be able to address the issue yourself by replacing the crankshaft position sensor or repairing any damaged wiring. Otherwise, it is advisable to seek professional help.

6. How much does it typically cost to repair OBDII code P0339 on a 2007 Toyota Highlander?

The cost of repairing this code can vary depending on the extent of the damage and the labor rates in your area. On average, replacing the crankshaft position sensor can range from $100 to $300, including parts and labor.

7. Can a faulty crankshaft position sensor cause other issues in a 2007 Toyota Highlander?

Yes, a faulty crankshaft position sensor can cause a variety of issues beyond triggering OBDII code P0339, including poor fuel efficiency, misfires, and potential damage to the engine over time.

8. How long does it typically take to repair OBDII code P0339 on a 2007 Toyota Highlander?

The repair time can vary depending on the exact cause of the issue and the expertise of the mechanic. In general, it can take anywhere from 1 to 3 hours to diagnose and repair the problem.

9. What are some preventive measures to avoid OBDII code P0339 on a 2007 Toyota Highlander?

Regularly scheduled maintenance, such as checking the condition of the crankshaft position sensor and its wiring, can help prevent issues that may trigger this code. Additionally, addressing any engine performance issues promptly can help avoid more significant problems.

10. Will resetting the OBDII code P0339 on a 2007 Toyota Highlander make it go away permanently?

Simply resetting the code without addressing the underlying issue will not make it go away permanently. It is essential to diagnose and repair the root cause of the problem to prevent the code from reappearing.

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