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Engine-Codes – Scion – P0339 2007 Scion xB

P0339 2007 Scion xB Code - Crankshaft Position Sensor 'A' Circuit Intermittent

Quick Answer

The P0339 diagnostic trouble code (DTC) for a 2007 Scion xB indicates a problem with the Crankshaft Position Sensor 'A' Circuit Intermittent. Common causes include Faulty crankshaft position sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or contamination in the sensor 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 Scion xB 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 contamination in the sensor 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 17, 2024
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Code P0339 2007 Scion xB Description

The P0339 diagnostic trouble code (DTC) for a 2007 Scion xB indicates a problem with the Crankshaft Position Sensor 'A' Circuit 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 2007 Scion xB - Crankshaft Position Sensor 'A' Circuit Intermittent
P0339 2007 Scion xB Code - Crankshaft Position Sensor 'A' Circuit Intermittent

Common Causes of P0339 2007 Scion xB

  1. Faulty crankshaft position sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or contamination in the sensor connections
  4. Issues with the ECU or related components
  5. Mechanical damage to the crankshaft position sensor

Symptoms of P0339 2007 Scion xB

  1. Rough idling or engine stalling
  2. Misfiring or hesitation during acceleration
  3. Difficulty starting the engine
  4. Reduced fuel efficiency
  5. Check Engine Light illuminated on the dashboard

How to Fix P0339 2007 Scion xB

  1. Begin by diagnosing the issue using a scan tool to confirm the P0339 code and pinpoint the exact cause of the problem.
  2. Inspect the wiring and connectors in the crankshaft position sensor circuit for any signs of damage, corrosion, or loose connections. Repair or replace as necessary.
  3. Test the crankshaft position sensor itself using a multimeter to ensure it is functioning correctly. Replace the sensor if it is faulty.
  4. Clear the DTC and reset the ECU to see if the issue has been resolved. Test drive the vehicle to confirm that the symptoms have been eliminated.
  5. If the problem persists, further diagnostics may be required to identify any underlying issues with the ECU or other related components.

Cost to Fix P0339 2007 Scion xB

The typical repair costs for addressing a P0339 code on a 2007 Scion xB can range from $150 to $400, including parts and labor. However, it is important to note that specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates can range from $80 to $150 per hour, with higher rates in metropolitan areas or at dealerships and lower rates at independent shops. It is recommended to obtain quotes from local repair shops for a more accurate estimate.

What does this mean?

Tech Notes for P0339 2007 Scion xB

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 Scion xB Code

1. What does the OBDII code P0339 mean for a 2007 Scion xB?

P0339 indicates an intermittent issue in the Crankshaft Position Sensor 'A' circuit, meaning the sensor is not consistently sending signals to the engine control module (ECM).

2. What are the common symptoms of a P0339 code in a 2007 Scion xB?

Symptoms can include difficulty starting the engine, engine stalling, poor acceleration, misfires, or the Check Engine Light turning on.

3. What causes the P0339 code to appear on a 2007 Scion xB?

Common causes include a faulty crankshaft position sensor, damaged wiring or connectors, a failing ECM, or a weak battery or charging system.

4. Can a bad battery cause a P0339 code in a 2007 Scion xB?

Yes, a weak or failing battery can cause voltage drops that may lead to intermittent signal issues with the crankshaft position sensor.

5. How do you diagnose a P0339 code on a 2007 Scion xB?

Diagnosis involves using a multimeter to check the crankshaft sensor's resistance, inspecting the wiring and connectors for damage, and testing the battery and alternator for proper voltage.

6. Is it safe to drive a 2007 Scion xB with a P0339 code?

Driving with a P0339 code is not recommended, as it can lead to engine stalling or starting issues, potentially leaving you stranded.

7. How can you fix a P0339 code on a 2007 Scion xB?

Common fixes include replacing the crankshaft position sensor, repairing damaged wiring or connectors, ensuring the battery and alternator are functioning properly, or reprogramming the ECM if necessary.

8. How much does it cost to fix a P0339 code on a 2007 Scion xB?

Repair costs can vary, but replacing the crankshaft position sensor typically costs between $100 and $300, including parts and labor.

9. Can a dirty crankshaft position sensor trigger a P0339 code on a 2007 Scion xB?

Yes, dirt or debris on the sensor can interfere with signal transmission and cause intermittent circuit issues.

10. Will clearing the P0339 code fix the issue on a 2007 Scion xB?

Clearing the code without addressing the underlying issue will only temporarily turn off the Check Engine Light. The code will likely reappear if the problem is not fixed.

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