AutoCodes – Honda – P2135 2009 Honda Accord

P2135 2009 Honda Accord Code - Throttle Position Sensor 1/2 Incorrect Voltage Correlation

Quick Answer

P2135 2009 Honda Accord indicates Throttle Position Sensor 1/2 Incorrect Voltage Correlation. Common causes include Faulty Throttle Actuator, Throttle Actuator harness is open or shorted, Throttle Actuator circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P2135 2009 Honda Accord indicates Throttle Position Sensor 1/2 Incorrect Voltage Correlation.
Common causes
Common causes include Faulty Throttle Actuator, Throttle Actuator harness is open or shorted, Throttle Actuator circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 6,291
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 20, 2020
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Code P2135 2009 Honda Accord Description

OBDII Code P2135 2009 Honda Accord - Throttle Position Sensor 1/2 Incorrect Voltage Correlation - AutoCodes.com
P2135 2009 Honda Accord Code - Throttle Position Sensor 1/2 Incorrect Voltage Correlation

What are the Possible Causes of the DTC P2135 2009 Honda Accord?

  • Faulty Throttle Actuator
  • Throttle Actuator harness is open or shorted
  • Throttle Actuator circuit poor electrical connection

How to Fix the DTC P2135 2009 Honda Accord?

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 P2135 2009 Honda Accord 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 P2135 2009 Honda Accord code?

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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 P2135 2009 Honda Accord Code

1. What does the OBDII code P2135 on a 2009 Honda Accord indicate?

The OBDII code P2135 on a 2009 Honda Accord indicates a Throttle Position Sensor 1/2 Incorrect Voltage Correlation error.

2. What are common symptoms of a P2135 code on a 2009 Honda Accord?

Common symptoms of a P2135 code on a 2009 Honda Accord include reduced engine power, hesitation or jerking during acceleration, and the vehicle going into limp mode.

3. What are the possible causes of the P2135 code on a 2009 Honda Accord?

Possible causes of the P2135 code on a 2009 Honda Accord include a faulty throttle position sensor, damaged wiring or connectors, a dirty throttle body, or issues with the electronic throttle control system.

4. How can I diagnose the P2135 code on a 2009 Honda Accord?

To diagnose the P2135 code on a 2009 Honda Accord, you can use an OBDII scanner to retrieve the trouble code, inspect the throttle position sensor and related wiring, and check the throttle body for any buildup or obstructions.

5. Can I continue driving my 2009 Honda Accord with a P2135 code?

It is not recommended to continue driving your 2009 Honda Accord with a P2135 code, as it can lead to further damage to the engine or transmission. It's best to address the issue promptly.

6. How do I repair a P2135 code on a 2009 Honda Accord?

To repair a P2135 code on a 2009 Honda Accord, you may need to replace the throttle position sensor, repair any damaged wiring or connectors, clean the throttle body, or reset the electronic throttle control system.

7. Will resetting the OBDII code P2135 on a 2009 Honda Accord fix the issue?

Resetting the OBDII code P2135 on a 2009 Honda Accord may temporarily turn off the check engine light, but it will not fix the underlying issue causing the code. It's important to diagnose and address the root cause of the problem.

8. How much does it cost to fix a P2135 code on a 2009 Honda Accord?

The cost to fix a P2135 code on a 2009 Honda Accord can vary depending on the root cause of the issue. It may range from a simple sensor replacement to more extensive repairs involving wiring or throttle body cleaning.

9. Can a DIY enthusiast fix a P2135 code on a 2009 Honda Accord?

A DIY enthusiast with the right tools and knowledge may be able to fix a P2135 code on a 2009 Honda Accord, especially if it involves tasks like replacing the throttle position sensor or cleaning the throttle body. However, more complex issues may require professional help.

10. How can I prevent the P2135 code from reoccurring on my 2009 Honda Accord?

To prevent the P2135 code from reoccurring on your 2009 Honda Accord, it's important to perform regular maintenance, keep the throttle body clean, and address any issues promptly to avoid further damage to the throttle position sensor or related components.

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