P0135 2017 Honda CR-V Code - Air/Fuel Ratio Sensor 1 Heater Circuit Malfunction
Quick Answer
The P0135 diagnostic trouble code (DTC) for a 2017 Honda CR-V indicates a malfunction in the Air/Fuel Ratio Sensor 1 Heater Circuit. Common causes include Faulty Sensor: The Air/Fuel Ratio Sensor itself may be damaged or malfunctioning, causing the heater circuit to fail, Wiring Issues: Corroded or damaged wiring connections can disrupt the flow of electricity to the sensor's heater circuit, ECM Malfunction: A problem with the engine control module (ECM) can prevent the proper operation of the sensor's heater circuit. 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
- P0135 2017 Honda CR-V indicates Air/Fuel Ratio Sensor 1 Heater Circuit Malfunction.
- Common causes
- Common causes include Faulty Sensor: The Air/Fuel Ratio Sensor itself may be damaged or malfunctioning, causing the heater circuit to fail, Wiring Issues: Corroded or damaged wiring connections can disrupt the flow of electricity to the sensor's heater circuit, ECM Malfunction: A problem with the engine control module (ECM) can prevent the proper operation of the sensor's heater circuit.
- 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 P0135 2017 Honda CR-V Description
The P0135 diagnostic trouble code (DTC) for a 2017 Honda CR-V indicates a malfunction in the Air/Fuel Ratio Sensor 1 Heater Circuit. This sensor is responsible for monitoring the oxygen content in the exhaust gases and providing feedback to the engine control module (ECM) to adjust the air/fuel mixture for optimal combustion. The heater circuit in the sensor is designed to quickly reach operating temperature to improve accuracy and efficiency.
Common Causes of P0135 2017 Honda CR-V
- Faulty Sensor: The Air/Fuel Ratio Sensor itself may be damaged or malfunctioning, causing the heater circuit to fail.
- Wiring Issues: Corroded or damaged wiring connections can disrupt the flow of electricity to the sensor's heater circuit.
- ECM Malfunction: A problem with the engine control module (ECM) can prevent the proper operation of the sensor's heater circuit.
- Sensor Contamination: Exposure to contaminants such as oil or coolant can affect the sensor's performance and lead to a malfunction.
- Exhaust Leaks: Leaks in the exhaust system can introduce outside air into the sensor, affecting its readings and causing the heater circuit to malfunction.
Symptoms of P0135 2017 Honda CR-V
- Check Engine Light: The most common symptom associated with this code is the illumination of the check engine light on the dashboard.
- Poor Fuel Economy: A malfunctioning Air/Fuel Ratio Sensor can lead to incorrect fuel mixture adjustments, resulting in decreased fuel efficiency.
- Rough Idle: The engine may experience rough idling or hesitation during acceleration due to inaccurate air/fuel ratio readings.
- Increased Emissions: A faulty sensor can cause increased emissions due to improper combustion, potentially leading to a failed emissions test.
How to Fix P0135 2017 Honda CR-V
- Diagnose the Issue: Use a scan tool to retrieve the DTC and perform a visual inspection of the sensor and its wiring.
- Test the Sensor: Check the resistance of the sensor's heater circuit to determine if it is functioning properly.
- Replace the Sensor: If the sensor is faulty, replace it with a new one and ensure proper installation.
- Check Wiring: Inspect the wiring connections for damage or corrosion and repair or replace as needed.
- Clear Codes: Clear the DTC from the ECM's memory and test drive the vehicle to verify that the issue has been resolved.
Cost to Fix P0135 2017 Honda CR-V
The cost of repairing a P0135 code on a 2017 Honda CR-V can vary depending on the specific cause of the issue and the labor rates in your area. Typically, the price of a new Air/Fuel Ratio Sensor 1 can range from $100 to $300, with additional costs for labor. Overall, the total repair cost for this issue could range from $200 to $500, including parts and labor. It's recommended to contact local auto repair shops for accurate pricing based on your location and vehicle specifications. Keep in mind that diagnostic time and labor rates can vary, so it's advisable to inquire about these factors before proceeding with the repair.
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Frequently Asked Questions about P0135 2017 Honda CR-V Code
1. What does the OBDII code P0135 mean on a 2017 Honda CR-V?
P0135 indicates a malfunction in the heater circuit of the Air/Fuel Ratio Sensor 1, which helps the sensor reach operating temperature more quickly.
2. What are the symptoms of a P0135 code in a 2017 Honda CR-V?
Common symptoms include an illuminated check engine light, reduced fuel efficiency, rough idling, and potential emissions test failure.
3. What causes the P0135 code to appear in a 2017 Honda CR-V?
Possible causes include a faulty air/fuel ratio sensor, a blown fuse, damaged wiring or connectors, or a malfunctioning engine control module (ECM).
4. Can I drive my 2017 Honda CR-V with a P0135 code?
While the car may still be drivable, it’s not recommended as it can lead to poor fuel economy, higher emissions, and potential damage to other components.
5. How do I diagnose the P0135 code on a 2017 Honda CR-V?
Diagnosis involves checking the sensor’s wiring and connectors, testing the heater circuit for continuity, and verifying the fuse and ECM functionality.
6. How do I fix the P0135 code on a 2017 Honda CR-V?
Common fixes include replacing the air/fuel ratio sensor, repairing or replacing damaged wiring, and checking or replacing any blown fuses.
7. How much does it cost to fix a P0135 code on a 2017 Honda CR-V?
Repair costs can vary, but replacing the air/fuel ratio sensor typically ranges from $150 to $400, including parts and labor.
8. Can a P0135 code cause long-term damage to my 2017 Honda CR-V?
If left unresolved, it can cause increased wear on the catalytic converter and lead to reduced engine performance over time.
9. How do I reset the P0135 code after fixing the issue on my 2017 Honda CR-V?
You can reset the code using an OBDII scanner or by disconnecting the battery for a few minutes, but ensure the issue is fully resolved first.
10. Is the P0135 code the same as an oxygen sensor malfunction?
Not exactly. P0135 specifically refers to the heater circuit of the Air/Fuel Ratio Sensor 1, which is a type of oxygen sensor but focuses on the heater functionality.
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