P0139 2017 Honda CR-V Code - Secondary Heated Oxygen Sensor 2 Slow Response
Quick Answer
The Secondary Heated Oxygen Sensor (Secondary HO2S (Sensor 2)) detects the oxygen content in the exhaust gas downstream of the three-way catalytic converter (TWC) during stoichiometric air/fuel ratio feedback control. Common causes include Faulty Secondary Heated Oxygen Sensor 2, Secondary Heated Oxygen Sensor 2 harness is open or shorted, Secondary Heated Oxygen Sensor 2 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
- P0139 2017 Honda CR-V indicates Secondary Heated Oxygen Sensor 2 Slow Response.
- Common causes
- Common causes include Faulty Secondary Heated Oxygen Sensor 2, Secondary Heated Oxygen Sensor 2 harness is open or shorted, Secondary Heated Oxygen Sensor 2 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 P0139 2017 Honda CR-V Description
What are the Possible Causes of the DTC P0139 2017 Honda CR-V?
- Faulty Secondary Heated Oxygen Sensor 2
- Secondary Heated Oxygen Sensor 2 harness is open or shorted
- Secondary Heated Oxygen Sensor 2 circuit poor electrical connection
- Exhaust system failure (exhaust gas leak)
How to Fix the DTC P0139 2017 Honda CR-V?
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 P0139 2017 Honda CR-V 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.
Need more information about the P0139 2017 Honda CR-V code?
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Frequently Asked Questions about P0139 2017 Honda CR-V Code
1. What does the OBDII code P0139 mean on a 2017 Honda CR-V?
P0139 indicates that the secondary heated oxygen sensor (Bank 1, Sensor 2) is detecting a slow response time in oxygen level changes, suggesting a potential issue with the sensor or exhaust system.
2. What are the common symptoms of code P0139 in a 2017 Honda CR-V?
Common symptoms include a check engine light, decreased fuel efficiency, potential hesitation during acceleration, and a possible increase in exhaust emissions.
3. What causes the P0139 code to appear on a 2017 Honda CR-V?
Causes can include a failing oxygen sensor, exhaust leaks, wiring or connector issues, a dirty or failing catalytic converter, or engine performance problems affecting exhaust gases.
4. Can I drive my 2017 Honda CR-V with a P0139 code?
While the car may still be drivable, prolonged driving with this code can lead to reduced fuel efficiency and potential damage to the catalytic converter, so it’s best to address it promptly.
5. How do I diagnose the P0139 code on a 2017 Honda CR-V?
Start by checking the wiring and connectors for damage or corrosion, inspect for exhaust leaks, and test the oxygen sensor with a multimeter or diagnostic tool to confirm its functionality.
6. How do I fix the P0139 code on a 2017 Honda CR-V?
Repairs may include replacing the oxygen sensor, repairing damaged wiring or connectors, sealing exhaust leaks, or cleaning/replacing the catalytic converter if necessary.
7. How much does it cost to fix a P0139 code on a 2017 Honda CR-V?
The cost varies depending on the issue, but replacing the oxygen sensor typically costs between $150 and $300, including parts and labor.
8. Can a dirty air filter cause the P0139 code on a 2017 Honda CR-V?
A dirty air filter typically does not cause this code directly, but it can affect overall engine performance and contribute to exhaust-related problems that might trigger the code.
9. What tools are needed to fix the P0139 code on a 2017 Honda CR-V?
You’ll need an OBDII scanner to read and clear the code, a multimeter to test the sensor, basic hand tools for removal and installation, and potentially a jack and jack stands for exhaust inspection.
10. How can I prevent the P0139 code from occurring on my 2017 Honda CR-V?
Regular maintenance, including timely oxygen sensor replacement, checking for exhaust leaks, and addressing engine performance issues, can help prevent this code from appearing.
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