Engine-CodesNissan – P0139 2010 Nissan Rogue

P0139 2010 Nissan Rogue Code - HO2S12 Slow Response

Quick Answer

The diagnostic trouble code P0139 for a 2010 Nissan Rogue refers to a potential issue with the HO2S12 sensor, specifically indicating a slow response from the sensor. Common causes include Faulty Sensor: The HO2S12 sensor itself may be faulty and in need of replacement, Wiring Issues: Damaged or corroded wiring connecting the sensor to the ECM can cause communication problems, Exhaust Leaks: Leaks in the exhaust system can affect the sensor's readings and lead to a slow response. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means
P0139 2010 Nissan Rogue indicates HO2S12 Slow Response.
Common causes
Common causes include Faulty Sensor: The HO2S12 sensor itself may be faulty and in need of replacement, Wiring Issues: Damaged or corroded wiring connecting the sensor to the ECM can cause communication problems, Exhaust Leaks: Leaks in the exhaust system can affect the sensor's readings and lead to a slow response.
Severity
Moderate - service should be scheduled soon.
Can I drive?
The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code P0139 2010 Nissan Rogue Description

The diagnostic trouble code P0139 for a 2010 Nissan Rogue refers to a potential issue with the HO2S12 sensor, specifically indicating a slow response from the sensor. The HO2S12 sensor, also known as the downstream oxygen sensor, is responsible for monitoring the oxygen levels in the exhaust gases after they have passed through the catalytic converter. This information is crucial for the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion efficiency.

OBDII Code P0139 2010 Nissan Rogue - HO2S12 Slow Response
P0139 2010 Nissan Rogue Code - HO2S12 Slow Response

Common Causes of P0139 2010 Nissan Rogue

  1. Faulty Sensor: The HO2S12 sensor itself may be faulty and in need of replacement.
  2. Wiring Issues: Damaged or corroded wiring connecting the sensor to the ECM can cause communication problems.
  3. Exhaust Leaks: Leaks in the exhaust system can affect the sensor's readings and lead to a slow response.
  4. Vacuum Leaks: Vacuum leaks in the engine can disrupt the air-fuel mixture and impact the sensor's performance.
  5. Engine Misfires: Engine misfires can affect the exhaust gases and cause the sensor to respond slowly.

Symptoms of P0139 2010 Nissan Rogue

  1. Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the dashboard.
  2. Poor Fuel Efficiency: A slow response from the HO2S12 sensor can lead to incorrect fuel mixture adjustments, resulting in decreased fuel efficiency.
  3. Rough Idling: The engine may experience rough idling or hesitation when the sensor is not providing accurate data.
  4. Increased Emissions: A malfunctioning HO2S12 sensor can lead to increased emissions, potentially causing the vehicle to fail emissions tests.

How to Fix P0139 2010 Nissan Rogue

  1. Diagnose the Issue: Use a scan tool to retrieve the trouble code and perform further diagnostics to identify the root cause of the slow response from the HO2S12 sensor.
  2. Inspect Sensor and Wiring: Check the sensor for any visible damage and inspect the wiring for any issues such as breaks or corrosion.
  3. Replace Sensor: If the sensor is determined to be faulty, replace it with a new, OEM-quality sensor.
  4. Repair Wiring: If wiring issues are found, repair or replace the damaged wiring to ensure proper communication between the sensor and the ECM.
  5. Clear Codes and Test: After completing the repair, clear the trouble codes from the ECM and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix P0139 2010 Nissan Rogue

The cost of repairing a slow response from the HO2S12 sensor in a 2010 Nissan Rogue can vary depending on the specific cause of the issue and the cost of parts and labor in your area. On average, the cost of replacing an oxygen sensor can range from $100 to $300, with additional costs for diagnostic time and labor. Overall, you can expect to pay anywhere from $200 to $500 for this repair, but it's recommended to obtain quotes from local auto repair shops for a more accurate estimate based on your location and vehicle specifics. Keep in mind that rates for diagnosis and labor can vary, so it's advisable to inquire about these costs upfront.

Tech Notes for P0139 2010 Nissan Rogue

Replacing the Rear Heated Oxygen Sensor Bank 1 usually takes care of the problem.

When is the Code Detected?

The P0139 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor takes more time to respond between rich and lean than the specified time.

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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 P0139 2010 Nissan Rogue Code

1. What does OBDII code P0139 for a 2010 Nissan Rogue mean?

- This code indicates a slow response from the HO2S12 (Heated Oxygen Sensor 1 Bank 1 Sensor 2) in the exhaust system.

2. What are the common symptoms of OBDII code P0139 in a 2010 Nissan Rogue?

- Common symptoms include poor fuel economy, rough idling, engine hesitation, and the illumination of the check engine light.

3. What are the possible causes of OBDII code P0139 in a 2010 Nissan Rogue?

- The causes can include a faulty HO2S12 sensor, wiring issues, exhaust leaks, or problems with the engine's fuel system.

4. How can I diagnose OBDII code P0139 in my 2010 Nissan Rogue?

- Diagnosis typically involves using a scan tool to read the code, checking the sensor's wiring and connections, and performing tests to determine the sensor's responsiveness.

5. How do I repair OBDII code P0139 in a 2010 Nissan Rogue?

- Repair may involve replacing the HO2S12 sensor, repairing damaged wiring, fixing any exhaust leaks, or addressing issues with the fuel system.

6. Can I drive my 2010 Nissan Rogue with OBDII code P0139?

- It is not recommended to drive the vehicle for an extended period with this code present, as it can lead to decreased fuel efficiency and potential engine performance issues.

7. How much does it typically cost to fix OBDII code P0139 in a 2010 Nissan Rogue?

- The cost of repairs can vary depending on the specific issue causing the code, but it may range from $100 to $300 for sensor replacement or more for complex repairs.

8. Is it possible to reset OBDII code P0139 in a 2010 Nissan Rogue without fixing the underlying issue?

- While you can clear the code using a scan tool, the check engine light is likely to reappear if the underlying problem is not addressed.

9. Will OBDII code P0139 cause my 2010 Nissan Rogue to fail an emissions test?

- Yes, this code can result in a failed emissions test due to the impact on the vehicle's emissions control system.

10. How often should the HO2S12 sensor be replaced in a 2010 Nissan Rogue to prevent OBDII code P0139 from recurring?

- The sensor generally has a lifespan of around 100,000 miles, but regular maintenance and monitoring can help prevent issues and the recurrence of this code.

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