AutoCodes – Honda – P0137 2021 Honda CR-V

P0137 2021 Honda CR-V Code - Secondary Heated Oxygen Sensor 2 Circuit Low Voltage

Quick Answer

The Secondary Heated Oxygen Sensor (Secondary HO2S or Sensor 2) is a component in your vehicle's exhaust system that detects oxygen levels in the exhaust gas. 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: P0137 2021 Honda CR-V indicates Secondary Heated Oxygen Sensor 2 Circuit Low 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.

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Code Popularity 1,165

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 14, 2023

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0137 2021 Honda CR-V Description

The Secondary Heated Oxygen Sensor (Secondary HO2S or Sensor 2) is a component in your vehicle's exhaust system that detects oxygen levels in the exhaust gas. It then converts this information into electrical signals. If the sensor's output voltage remains steady at a specified value for a certain duration, the vehicle's onboard computer, known as the Powertrain Control Module (PCM), identifies this as a potential problem. In response, the PCM stores a Diagnostic Trouble Code (DTC) to indicate the issue for diagnostic purposes. This system helps ensure the vehicle's emissions control system is functioning correctly, contributing to optimal engine performance and emissions reduction.

OBDII Code P0137 2021 Honda CR-V - Secondary Heated Oxygen Sensor 2 Circuit Low Voltage - AutoCodes.com — P0137 2021 Honda CR-V Code - Secondary Heated Oxygen Sensor 2 Circuit Low Voltage

What does this mean?

What are the Possible Causes of the DTC P0137 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
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0137 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0137 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 P0137 2021 Honda CR-V code?

Need more information on how to fix the P0137 2021 Honda CR-V code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0137 2021 Honda CR-V code diagnosed by a professional: Find a repair shop in your area

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 2021 Honda CR-V Code

1. What does OBDII code P0137 mean on a 2021 Honda CR-V?

This code indicates an issue with the Secondary Heated Oxygen Sensor 2 Circuit, specifically low voltage.

2. What are the common symptoms of OBDII code P0137 in a 2021 Honda CR-V?

Common symptoms include poor fuel efficiency, rough idling, and the illumination of the check engine light.

3. What are the potential causes of OBDII code P0137 in a 2021 Honda CR-V?

Possible causes include a faulty oxygen sensor, damaged wiring or connectors, exhaust leaks, or issues with the engine control module.

4. How can I diagnose the OBDII code P0137 in my 2021 Honda CR-V?

Diagnosing this code typically involves using a scan tool to check for the specific fault code, inspecting the oxygen sensor and related components, and testing the sensor's voltage output.

5. Can I continue driving my 2021 Honda CR-V with OBDII code P0137?

It is not recommended to drive with this code as it can lead to reduced fuel efficiency and potential engine damage over time. It is best to address the issue promptly.

6. How can I repair OBDII code P0137 in my 2021 Honda CR-V?

Repairing this code may involve replacing the Secondary Heated Oxygen Sensor 2, repairing damaged wiring or connectors, fixing exhaust leaks, or addressing any issues with the engine control module.

7. Are there any DIY tips for fixing OBDII code P0137 in a 2021 Honda CR-V?

DIY tips may include checking and cleaning the oxygen sensor connections, inspecting the sensor for physical damage, and ensuring proper installation of any replacement parts.

8. How much does it cost to repair OBDII code P0137 in a 2021 Honda CR-V?

The cost of repairing this code can vary depending on the specific issue and whether you choose to do the repair yourself or take the vehicle to a mechanic. Costs may include parts and labor.

9. Will resetting the check engine light resolve OBDII code P0137 in my 2021 Honda CR-V?

Resetting the check engine light may temporarily turn it off, but it will not fix the underlying issue causing the code. It is important to diagnose and repair the problem to prevent it from recurring.

10. How often should I replace the oxygen sensors in my 2021 Honda CR-V to prevent OBDII code P0137?

Oxygen sensors typically have a lifespan of around 60,000 to 100,000 miles. It is recommended to follow the manufacturer's maintenance schedule and replace them as needed to prevent issues like code P0137.