P0138 2021 Honda CR-V Code - Secondary Heated Oxygen Sensor 2 Circuit High Voltage
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
- P0138 2021 Honda CR-V indicates Secondary Heated Oxygen Sensor 2 Circuit High Voltage.
- 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 P0138 2021 Honda CR-V Description
What are the Possible Causes of the DTC P0138 2021 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
How to Fix the DTC P0138 2021 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 P0138 2021 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 P0138 2021 Honda CR-V code?
Need more information on how to fix the P0138 2021 Honda CR-V code? Get Access to Factory Service Manuals
Need Help with the Code?
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Frequently Asked Questions about P0138 2021 Honda CR-V Code
1. What are the common symptoms of OBDII code P0138 on a 2021 Honda CR-V?
The common symptoms of code P0138 on a 2021 Honda CR-V include poor fuel efficiency, rough idling, and the illumination of the check engine light.
2. What does the OBDII code P0138 on a 2021 Honda CR-V indicate?
Code P0138 in a 2021 Honda CR-V indicates an issue with the Secondary Heated Oxygen Sensor 2 Circuit High Voltage.
3. What are the possible causes of OBDII code P0138 on a 2021 Honda CR-V?
Possible causes of code P0138 on a 2021 Honda CR-V include a faulty oxygen sensor, wiring issues, exhaust leaks, or a malfunctioning catalytic converter.
4. How can I diagnose the cause of OBDII code P0138 on my 2021 Honda CR-V?
To diagnose the cause of code P0138, you can start by inspecting the oxygen sensor and its wiring for any visible damage. You may also use a multimeter to test the sensor's voltage and resistance.
5. Can I continue to drive my 2021 Honda CR-V with OBDII code P0138?
It is not recommended to drive your 2021 Honda CR-V with an unresolved P0138 code, as it can lead to poor engine performance and potential damage to the catalytic converter.
6. How can I repair OBDII code P0138 on my 2021 Honda CR-V?
Repairing code P0138 may involve replacing the Secondary Heated Oxygen Sensor 2, repairing any damaged wiring, fixing exhaust leaks, or addressing issues with the catalytic converter.
7. Will resetting the check engine light resolve OBDII code P0138 on my 2021 Honda CR-V?
Resetting the check engine light may temporarily turn it off, but if the underlying issue causing code P0138 is not addressed, the light is likely to come back on.
8. Are there any DIY tips for fixing OBDII code P0138 on a 2021 Honda CR-V?
While some basic checks like inspecting the sensor and wiring can be done DIY, it is recommended to consult a professional mechanic for a proper diagnosis and repair of code P0138.
9. How much does it typically cost to repair OBDII code P0138 on a 2021 Honda CR-V?
The cost of repairing code P0138 on a 2021 Honda CR-V can vary depending on the exact cause and the labor rates in your area. It's advisable to get multiple quotes from reputable mechanics.
10. How often should I have the oxygen sensors inspected on my 2021 Honda CR-V to prevent OBDII code P0138?
Regular maintenance schedules recommend having the oxygen sensors inspected during routine service intervals to help prevent issues like code P0138 on your 2021 Honda CR-V.
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