Engine-Codes.com
Engine-Codes – Honda – P0135 2008 Honda Accord

P0135 2008 Honda Accord Code - O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1

Quick Answer

The P0135 code for a 2008 Honda Accord indicates a problem with the O2 sensor heater circuit in Bank 1 Sensor 1. Common causes include Blown fuse in the O2 sensor heater circuit, Damaged or corroded wiring in the sensor circuit, Faulty O2 sensor heater element. 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 2008 Honda Accord indicates O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1.
Common causes
Common causes include Blown fuse in the O2 sensor heater circuit, Damaged or corroded wiring in the sensor circuit, Faulty O2 sensor heater element.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 06, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code P0135 2008 Honda Accord Description

The P0135 code for a 2008 Honda Accord indicates a problem with the O2 sensor heater circuit in Bank 1 Sensor 1. The O2 sensor, also known as the oxygen sensor, plays a crucial role in monitoring the oxygen levels in the exhaust gases. The sensor sends this data to the engine control module (ECM) to adjust the air-fuel mixture for optimal combustion. The heater circuit in the sensor is responsible for reaching operating temperature quickly to provide accurate readings.

OBDII Code P0135 2008 Honda Accord - O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1
P0135 2008 Honda Accord Code - O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1

Common Causes of P0135 2008 Honda Accord

  1. Blown fuse in the O2 sensor heater circuit
  2. Damaged or corroded wiring in the sensor circuit
  3. Faulty O2 sensor heater element
  4. ECM software or hardware issues
  5. Poor electrical connections in the circuit

Symptoms of P0135 2008 Honda Accord

  1. Decreased fuel efficiency
  2. Rough idling or engine misfires
  3. Hesitation during acceleration
  4. Illuminated check engine light
  5. Potential stalling or difficulty starting the engine

How to Fix P0135 2008 Honda Accord

  1. Use an OBD-II scanner to confirm the P0135 code and identify the specific O2 sensor causing the issue.
  2. Inspect the O2 sensor heater circuit for blown fuses, damaged wiring, or poor connections.
  3. Test the O2 sensor heater element for continuity and resistance to determine if it is faulty.
  4. Replace the O2 sensor if the heater circuit is not functioning properly.
  5. Clear the fault code from the ECM and test drive the vehicle to ensure the issue is resolved.

Cost to Fix P0135 2008 Honda Accord

The typical repair costs for addressing a P0135 code in a 2008 Honda Accord can range from $150 to $400, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops. It is advisable to obtain local quotes for a more accurate estimate of the repair costs.

What does this mean?

Tech Notes for P0135 2008 Honda Accord

The code means that there is a problem with the heater element circuit of the heated oxygen sensor. The control module monitors how long it take the sensor to warm up and start sending an adequate signal. The code is triggered when the sensor is taking too long to warm up. Water getting inside the heated oxygen sensor connector can caused the heated oxygen sensor fuse to blow. Before replacing the sensor, check for the condition of the heated oxygen sensor fuse and connectors. If the sensor and connector are OK, replacing the O2 Sensor 1 usually takes care of the problem

When is the Code Detected?

Current amperage in the front heated oxygen sensor heater circuit is out of the normal range. (An improper voltage drop signal is sent to ECM through the front heated oxygen sensor heat

Need more information about the P0135 2008 Honda Accord code?

Need more information on how to fix the P0135 2008 Honda Accord code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0135 2008 Honda Accord 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 P0135 2008 Honda Accord Code

1. What does the OBDII code P0135 on a 2008 Honda Accord mean?

- It indicates a malfunction in the O2 sensor heater circuit of Bank 1 Sensor 1, responsible for monitoring the oxygen levels in the exhaust system.

2. What are the common symptoms of O2 Sensor Heater Circuit Malfunction Bank 1 Sensor 1 (P0135) in a 2008 Honda Accord?

- Common symptoms include poor fuel economy, rough idling, engine misfires, and an illuminated check engine light.

3. What are the possible causes of the P0135 OBDII code on a 2008 Honda Accord?

- The code could be triggered by a faulty O2 sensor, damaged wiring or connectors, a blown fuse, or issues with the engine control module (ECM).

4. How can I diagnose the O2 Sensor Heater Circuit Malfunction in my 2008 Honda Accord?

- A diagnostic scan tool can help pinpoint the exact cause by reading the error codes and monitoring sensor data to identify any anomalies.

5. Can I continue driving my 2008 Honda Accord with the P0135 code?

- It is not recommended to drive with the P0135 code as it can lead to decreased fuel efficiency and potential engine damage if left unresolved.

6. What is the typical repair process for fixing the O2 Sensor Heater Circuit Malfunction on a 2008 Honda Accord?

- The repair process involves inspecting the O2 sensor, checking and repairing any damaged wiring or connectors, replacing the sensor if necessary, and resetting the fault codes.

7. How much does it cost to repair the O2 Sensor Heater Circuit issue in a 2008 Honda Accord?

- Repair costs can vary depending on the exact cause of the issue, but typically range from $150 to $400 for parts and labor.

8. Can I replace the O2 sensor in my 2008 Honda Accord myself to fix the P0135 code?

- If you have the necessary tools and expertise, you can replace the O2 sensor yourself. However, it is recommended to consult a professional if you are unsure.

9. Will resetting the check engine light resolve the P0135 code temporarily?

- Resetting the check engine light may temporarily turn it off, but the underlying issue causing the code will still need to be diagnosed and repaired to prevent it from reoccurring.

10. How often should the O2 sensor be replaced in a 2008 Honda Accord to prevent future issues?

- O2 sensors typically last around 100,000 miles, but it's advisable to follow the manufacturer's recommended maintenance schedule for optimal performance and efficiency.

Discuss the causes and fixes for P0135 2008 Honda Accord OBDII Code

Submit a New Comment

Code P0135 2008 Honda Accord comments

No comments found for this page.