P0139 2019 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 2019 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 2019 Honda CR-V Description
What are the Possible Causes of the DTC P0139 2019 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 2019 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 2019 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 2019 Honda CR-V code?
Need more information on how to fix the P0139 2019 Honda CR-V code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0139 2019 Honda CR-V code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0139 2019 Honda CR-V Code
1. What are the common symptoms of OBDII code P0139 in a 2019 Honda CR-V?
- Common symptoms include decreased fuel efficiency, rough idling, and potential stalling of the vehicle.
2. What does the OBDII code P0139 "Secondary Heated Oxygen Sensor 2 Slow Response" indicate in a 2019 Honda CR-V?
- This code indicates that the secondary heated oxygen sensor 2 is not responding as quickly as expected, affecting the vehicle's emissions control system.
3. What are the possible causes of the P0139 code in a 2019 Honda CR-V?
- Possible causes include a faulty oxygen sensor, issues with the wiring or connectors, exhaust leaks, or problems with the engine's air-fuel mixture.
4. How can I diagnose the cause of the P0139 code in my 2019 Honda CR-V?
- To diagnose the issue, you can use an OBDII scanner to read the code and monitor the sensor's performance, visually inspect the sensor and its connections, and check for any leaks in the exhaust system.
5. Can I continue driving my 2019 Honda CR-V with the P0139 code?
- While the vehicle may still be drivable with this code, it is not recommended as it can lead to decreased fuel efficiency and potential damage to the catalytic converter over time.
6. How do I repair the P0139 code in a 2019 Honda CR-V?
- Repairing the P0139 code may involve replacing the secondary heated oxygen sensor 2, repairing any damaged wiring or connectors, fixing exhaust leaks, or addressing issues with the air-fuel mixture.
7. Is it possible to reset the P0139 code in a 2019 Honda CR-V without fixing the underlying issue?
- While you can clear the code using an OBDII scanner, it will likely reappear if the root cause of the problem is not addressed.
8. How much does it typically cost to repair the P0139 code in a 2019 Honda CR-V?
- The cost of repairing the P0139 code can vary depending on the specific cause of the issue, but it may range from $100 to $300 for parts and labor.
9. Can a DIY enthusiast fix the P0139 code in a 2019 Honda CR-V?
- Depending on your mechanical skills and access to tools, you may be able to replace the oxygen sensor or address simple wiring issues yourself. However, more complex repairs may require professional assistance.
10. How often does the P0139 code occur in a 2019 Honda CR-V, and is it a common issue?
- The P0139 code can occur occasionally in vehicles, including the 2019 Honda CR-V, but it is not considered a very common issue compared to some other OBDII codes.
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