P0339 2004 Toyota Highlander 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 2004 Toyota Highlander 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 2004 Toyota Highlander 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 2004 Toyota Highlander?
- Faulty crankshaft position sensor
- Crankshaft position sensor harness is open or shorted
- Crankshaft position sensor circuit poor electrical connection
- Signal plate may be damage
- Starter motor may be faulty
- Starting system circuit
- Dead or weak battery
How to Fix the DTC P0339 2004 Toyota Highlander?
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 P0339 2004 Toyota Highlander 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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Frequently Asked Questions about P0339 2004 Toyota Highlander Code
1. What does the OBDII code P0339 mean on a 2004 Toyota Highlander?
The code P0339 indicates that there is an intermittent issue with the 'A' circuit of the crankshaft position sensor. This sensor provides essential data regarding the position or speed of the crankshaft to the engine control module (ECM).
2. What are common symptoms of code P0339 in a 2004 Toyota Highlander?
Symptoms can include engine stalling or jerking, poor engine performance, the engine failing to start, the check engine light turning on, and occasional misfires.
3. What can cause the P0339 code to appear in a 2004 Toyota Highlander?
Causes may include a faulty crankshaft position sensor, damaged or loose wiring and connectors in the sensor circuit, or a problem with the ECM.
4. How can I fix the P0339 code in a 2004 Toyota Highlander?
To fix the issue, inspect and if necessary replace the crankshaft position sensor, repair or replace any damaged wires or connectors, and ensure the sensor and associated circuits are securely connected. If the issue persists, further diagnosis of the ECM may be required.
5. Is it safe to drive a 2004 Toyota Highlander with the P0339 code?
While you may be able to drive for a short distance, it is generally unsafe as the engine may stall unexpectedly or perform poorly, which can lead to dangerous driving conditions. It is advisable to address the issue promptly.
6. How do I diagnose the P0339 code on a 2004 Toyota Highlander?
Start by visually inspecting the wiring and connectors of the crankshaft position sensor for any obvious damage or loose connections. Then, use an OBDII scanner to check for additional codes and a multimeter to ensure the sensor is receiving the correct voltages. If these check out, testing the sensor itself and possibly the ECM is recommended.
7. Can a bad battery or alternator cause the P0339 code in a 2004 Toyota Highlander?
While a bad battery or failing alternator can cause various electrical issues, they are not typically direct causes of a P0339 code. However, it's always a good practice to check the battery and charging system to rule out any related problems.
8. What is the cost to resolve a P0339 code in a 2004 Toyota Highlander?
The cost can vary based on the specific cause. Replacing a crankshaft position sensor can range from $150 to $250 including parts and labor. If the issue involves wiring repairs or ECM issues, the costs can be significantly higher depending on the extent of the damage.
9. How urgent is it to address the P0339 code on a 2004 Toyota Highlander?
Addressing the P0339 code should be considered urgent, as the intermittent nature of the issue can lead to unexpected engine behavior, making the vehicle unsafe to drive.
10. Does the P0339 code affect the fuel economy of a 2004 Toyota Highlander?
Yes, when the crankshaft position sensor is malfunctioning, it can lead to poor engine performance, including inefficient fuel use, which may result in reduced fuel economy.
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