P0137 2009 Nissan Pathfinder Code - Heated Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 2
Quick Answer
The heated oxygen sensor 2 (HO2S), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Common causes include Faulty Rear Heated Oxygen Sensor Bank 1, Rear Heated Oxygen Sensor Bank 1 harness is open or shorted, Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection. 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 2009 Nissan Pathfinder indicates Heated Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 2.
- Common causes
- Common causes include Faulty Rear Heated Oxygen Sensor Bank 1, Rear Heated Oxygen Sensor Bank 1 harness is open or shorted, Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection.
- 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.
Code P0137 2009 Nissan Pathfinder Description
What are the Possible Causes of the DTC P0137 2009 Nissan Pathfinder?
- Faulty Rear Heated Oxygen Sensor Bank 1
- Rear Heated Oxygen Sensor Bank 1 harness is open or shorted
- Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks
How to Fix the DTC P0137 2009 Nissan Pathfinder?
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 P0137 2009 Nissan Pathfinder 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 P0137 2009 Nissan Pathfinder Code
1. What does OBDII code P0137 mean on a 2009 Nissan Pathfinder?
The code P0137 indicates a low voltage condition in the heated oxygen sensor circuit for Bank 1 Sensor 2 in the exhaust system.
2. What are the common symptoms of a P0137 error code on a 2009 Nissan Pathfinder?
Common symptoms include poor fuel economy, rough idling, hesitation during acceleration, and the illumination of the check engine light.
3. What are the possible causes of a P0137 error code on a 2009 Nissan Pathfinder?
Potential causes include a faulty oxygen sensor, damaged wiring or connectors in the sensor circuit, exhaust leaks near the sensor, or an issue with the engine's air-fuel mixture.
4. How can I diagnose a P0137 error code on a 2009 Nissan Pathfinder?
Diagnosis typically involves using an OBDII scanner to read the code, checking the wiring and connectors for damage, inspecting the sensor for signs of contamination or damage, and testing the sensor's voltage output.
5. Can I continue driving my 2009 Nissan Pathfinder with a P0137 error code?
While you may be able to drive the vehicle in the short term, it is recommended to address the issue promptly to prevent potential damage to the catalytic converter and ensure optimal engine performance.
6. How can I repair a P0137 error code on a 2009 Nissan Pathfinder?
Repair options may include replacing the oxygen sensor, repairing damaged wiring or connectors, fixing any exhaust leaks, and resetting the error code using an OBDII scanner.
7. Is it possible to clear a P0137 error code on a 2009 Nissan Pathfinder without fixing the underlying issue?
Clearing the error code without addressing the root cause may temporarily turn off the check engine light, but the code is likely to return if the issue is not resolved.
8. How much does it typically cost to repair a P0137 error code on a 2009 Nissan Pathfinder?
The cost of repair can vary depending on the specific cause of the issue, but it may involve expenses for parts, labor, and diagnostic fees. It is advisable to consult a mechanic for an accurate estimate.
9. Can a P0137 error code on a 2009 Nissan Pathfinder affect emissions testing?
Yes, a P0137 error code can cause the vehicle to fail emissions testing due to improper oxygen sensor function, which is crucial for monitoring and controlling emissions.
10. How often should the oxygen sensors be replaced on a 2009 Nissan Pathfinder to prevent recurring P0137 error codes?
Oxygen sensors typically have a lifespan of around 60,000 to 100,000 miles, so it is recommended to replace them within this mileage range to avoid issues like the P0137 error code.
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