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P0137 2010 Honda Accord Code - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2

Quick Answer

The P0137 code on a 2010 Honda Accord indicates a problem with the O2 sensor circuit, specifically low voltage from Bank 1 Sensor 2. Common causes include Faulty O2 sensor, Wiring or electrical issues in the O2 sensor circuit, Exhaust leaks near the sensor. 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
P0137 2010 Honda Accord indicates O2 Sensor Circuit Low Voltage Bank 1 Sensor 2.
Common causes
Common causes include Faulty O2 sensor, Wiring or electrical issues in the O2 sensor circuit, Exhaust leaks near the sensor.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code P0137 2010 Honda Accord Description

The P0137 code on a 2010 Honda Accord indicates a problem with the O2 sensor circuit, specifically low voltage from Bank 1 Sensor 2. The O2 sensor, also known as the oxygen sensor, plays a crucial role in monitoring the oxygen levels in the exhaust gases to ensure the engine is running efficiently. Bank 1 refers to the side of the engine where cylinder 1 is located, while Sensor 2 indicates that it is the downstream sensor located after the catalytic converter.

OBDII Code P0137 2010 Honda Accord - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2
P0137 2010 Honda Accord Code - O2 Sensor Circuit Low Voltage Bank 1 Sensor 2

Common Causes of P0137 2010 Honda Accord

  1. Faulty O2 sensor
  2. Wiring or electrical issues in the O2 sensor circuit
  3. Exhaust leaks near the sensor
  4. Contaminated sensor due to oil or coolant leaks
  5. Issues with the catalytic converter

Symptoms of P0137 2010 Honda Accord

  1. Decreased fuel efficiency
  2. Rough idling or stalling
  3. Engine misfires
  4. Check Engine Light illuminated
  5. Failed emissions test

How to Fix P0137 2010 Honda Accord

  1. Use a scan tool to confirm the P0137 code and pinpoint the exact location of Bank 1 Sensor 2.
  2. Inspect the wiring and connectors for any damage or corrosion. Repair or replace as needed.
  3. Test the O2 sensor using a multimeter to check for proper voltage output. Replace if necessary.
  4. Check for exhaust leaks near the sensor and repair them to prevent contamination.
  5. Clear the code and perform a test drive to ensure the issue has been resolved.

Cost to Fix P0137 2010 Honda Accord

The cost of repairing a P0137 code on a 2010 Honda Accord can vary depending on the specific cause of the issue. On average, the cost of a new O2 sensor ranges from $50 to $200, while labor costs can range from $100 to $200. Overall, the total repair cost can range from $150 to $400. It's important to note that prices may vary based on location, shop rates, and the need for additional repairs. It's recommended to consult a professional mechanic for a more accurate estimate based on your specific situation.

What does this mean?

Tech Notes for P0137 2010 Honda Accord

Replacing the rear O2 Sensor bank 1 sensor 2 usually takes care of the problem.

When is the Code Detected?

The P0137 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor signal voltage remains excessively low for an extended period of 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 P0137 2010 Honda Accord Code

1. What does OBDII code P0137 on a 2010 Honda Accord mean?

It indicates a low voltage condition in the O2 sensor circuit for Bank 1 Sensor 2, also known as the downstream oxygen sensor.

2. What are the common symptoms of O2 sensor circuit low voltage (P0137) in a 2010 Honda Accord?

Common symptoms include poor fuel economy, rough idling, failed emissions test, and the illumination of the check engine light.

3. What are the possible causes of OBDII code P0137 on a 2010 Honda Accord?

Potential causes include a faulty oxygen sensor, damaged wiring or connectors in the sensor circuit, exhaust leaks, or issues with the engine's air-fuel ratio.

4. How can I diagnose O2 sensor circuit low voltage issue (P0137) in my 2010 Honda Accord?

You can diagnose the problem by checking the oxygen sensor's voltage output, inspecting the sensor's wiring and connectors for damage, and performing a visual inspection of the exhaust system.

5. Can I continue driving my 2010 Honda Accord with OBDII code P0137?

It is not recommended to ignore this issue, as it can lead to decreased fuel efficiency and potential damage to the catalytic converter. It's best to address the problem promptly.

6. How do I repair O2 sensor circuit low voltage (P0137) on a 2010 Honda Accord?

The repair may involve replacing the downstream oxygen sensor, repairing or replacing damaged wiring/connectors, fixing any exhaust leaks, or addressing issues with the engine's air-fuel mixture.

7. Is it possible to reset the check engine light after fixing OBDII code P0137 on a 2010 Honda Accord?

Yes, once the issue has been resolved, you can reset the check engine light using an OBDII scanner or by disconnecting the car's battery for a few minutes.

8. Can a dirty air filter cause O2 sensor circuit low voltage (P0137) in a 2010 Honda Accord?

While a dirty air filter may impact engine performance, it is unlikely to directly cause O2 sensor circuit low voltage. Focus on checking the sensor, wiring, and exhaust system first.

9. How much does it typically cost to repair O2 sensor circuit low voltage (P0137) on a 2010 Honda Accord?

The cost can vary depending on the exact cause of the issue and whether you choose to replace the sensor yourself or have a professional technician diagnose and repair the problem.

10. How often should the oxygen sensors be inspected or replaced in a 2010 Honda Accord to prevent O2 sensor circuit low voltage issues?

It is recommended to follow the manufacturer's maintenance schedule, which may suggest inspecting or replacing oxygen sensors every 60,000 to 100,000 miles to ensure optimal engine performance and emissions control.

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