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Engine-Codes – Toyota – P0339 2002 Toyota Highlander

P0339 2002 Toyota Highlander Code - Crankshaft Position Sensor 'A' Circuit Intermittent

Quick Answer

The P0339 diagnostic trouble code (DTC) for a 2002 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 connections in the sensor circuit. 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 2002 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 connections in the sensor circuit.
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 14, 2024
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Code P0339 2002 Toyota Highlander Description

The P0339 diagnostic trouble code (DTC) for a 2002 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 and fuel injection timing.

OBDII Code P0339 2002 Toyota Highlander - Crankshaft Position Sensor 'A' Circuit Intermittent
P0339 2002 Toyota Highlander Code - Crankshaft Position Sensor 'A' Circuit Intermittent

Common Causes of P0339 2002 Toyota Highlander

  1. Faulty crankshaft position sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or poor connections in the sensor circuit
  4. Issues with the ECU
  5. Engine vibrations causing intermittent signal loss

Symptoms of P0339 2002 Toyota Highlander

  1. Engine misfires
  2. Rough idling
  3. Stalling
  4. Difficulty starting
  5. Engine hesitation or lack of power

How to Fix P0339 2002 Toyota Highlander

  1. Diagnose the issue by using a scan tool to confirm the P0339 code and perform a visual inspection of the sensor and wiring.
  2. Replace the crankshaft position sensor if it is found to be faulty. Ensure the new sensor is properly installed and secured.
  3. Check the wiring and connectors for any damage or corrosion. Repair or replace as necessary.
  4. Clear the DTC from the ECU memory and perform a test drive to verify that the issue has been resolved.
  5. If the problem persists, further diagnostics may be required to pinpoint the exact cause, such as testing the ECU or checking for engine vibrations affecting the sensor signal.

Cost to Fix P0339 2002 Toyota Highlander

The cost of repairing a P0339 code on a 2002 Toyota Highlander can vary depending on the specific cause of the issue. On average, the cost of replacing a crankshaft position sensor ranges from $50 to $200, depending on the brand and quality of the sensor. Labor costs can add an additional $100 to $200, assuming a standard labor rate of $80 to $150 per hour. If wiring repairs or ECU diagnostics are needed, the total repair cost could increase accordingly. It is recommended to consult with a trusted mechanic or auto repair shop for a more accurate estimate based on the specific circumstances of the vehicle.

What does this mean?

Tech Notes for P0339 2002 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

Need more information about the P0339 2002 Toyota Highlander code?

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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 2002 Toyota Highlander Code

1. What are the common symptoms of OBDII code P0339 in a 2002 Toyota Highlander?

The common symptoms include intermittent stalling, rough idling, difficulty starting the vehicle, and poor engine performance.

2. What does the OBDII code P0339 on a 2002 Toyota Highlander indicate?

The code P0339 indicates a fault in the Crankshaft Position Sensor 'A' Circuit, specifically an intermittent issue with the sensor's signal.

3. What are the possible causes of OBDII code P0339 in a 2002 Toyota Highlander?

Possible causes include a faulty crankshaft position sensor, wiring issues in the sensor circuit, poor electrical connections, or a damaged sensor.

4. How can I diagnose the cause of OBDII code P0339 in my 2002 Toyota Highlander?

Diagnosing the issue involves checking the sensor's wiring and connections for any damage, testing the sensor's output signal, and ensuring proper alignment and installation of the sensor.

5. Can a faulty crankshaft position sensor cause OBDII code P0339 in a 2002 Toyota Highlander?

Yes, a faulty crankshaft position sensor is a common cause of code P0339, as it can lead to intermittent signal disruptions that trigger the code.

6. Is it safe to continue driving with OBDII code P0339 in a 2002 Toyota Highlander?

It is not recommended to drive the vehicle with code P0339, as it can lead to further engine performance issues and potential stalling, which can be dangerous.

7. How can I repair OBDII code P0339 in my 2002 Toyota Highlander?

Repairing the issue involves replacing the faulty crankshaft position sensor, repairing any damaged wiring or connections, and clearing the trouble code from the vehicle's computer.

8. Can a DIY enthusiast fix OBDII code P0339 in a 2002 Toyota Highlander?

Depending on your skill level and access to tools, DIY enthusiasts can attempt to fix code P0339 by following detailed repair guides and using proper diagnostic equipment.

9. Will resetting the trouble codes make OBDII code P0339 disappear permanently in a 2002 Toyota Highlander?

Resetting the trouble codes may temporarily clear the code, but if the underlying issue with the crankshaft position sensor or circuit is not addressed, the code is likely to reappear.

10. How much does it typically cost to repair OBDII code P0339 in a 2002 Toyota Highlander?

The cost of repairing code P0339 can vary depending on the root cause, but it may range from $100 to $300 for parts and labor, excluding diagnostic fees.

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