P0339 2003 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 2003 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 2003 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 2003 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 2003 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 2003 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 2003 Toyota Highlander Code
1. What does the OBDII code P0339 mean for a 2003 Toyota Highlander?
P0339 indicates an intermittent issue with the Crankshaft Position Sensor 'A' circuit, which monitors the crankshaft’s position and rotational speed.
2. What are the common symptoms of P0339 on a 2003 Toyota Highlander?
Symptoms can include difficulty starting, engine stalling, rough idling, reduced performance, and the check engine light turning on.
3. What causes the P0339 code to appear in a 2003 Toyota Highlander?
Common causes include a faulty crankshaft position sensor, damaged wiring or connectors in the sensor circuit, a failing reluctor ring, or issues with the engine control module (ECM).
4. Can I drive my 2003 Toyota Highlander with a P0339 code?
Driving with a P0339 code is not recommended, as it can lead to engine stalling and unsafe driving conditions.
5. How do I diagnose a P0339 code on a 2003 Toyota Highlander?
Diagnosis involves checking the crankshaft position sensor and its wiring for damage, testing the sensor with a multimeter, and inspecting the reluctor ring for wear or misalignment.
6. How much does it cost to fix a P0339 code on a 2003 Toyota Highlander?
Repair costs vary but typically range from $100 to $300, depending on whether the crankshaft position sensor or wiring needs replacement.
7. Can a dead battery cause the P0339 code to appear?
A weak or dead battery might cause voltage fluctuations that could trigger a P0339 code, but it is not a common cause.
8. How do I reset the P0339 code on my 2003 Toyota Highlander after repairs?
After fixing the issue, you can clear the code using an OBDII scan tool or by disconnecting the battery for several minutes. However, ensure the problem is resolved before resetting.
9. What tools are needed to fix the P0339 code on a 2003 Toyota Highlander?
You may need a multimeter, an OBDII scanner, and basic hand tools to inspect and replace the crankshaft position sensor or repair wiring.
10. Could a faulty timing belt cause the P0339 code on my 2003 Toyota Highlander?
Yes, a worn or improperly installed timing belt can disrupt the crankshaft sensor's readings and trigger the P0339 code.
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