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Engine-Codes – Honda – P1658 2010 Honda Accord

P1658 2010 Honda Accord Code - Electronic Throttle Control System Control Relay ON Malfunction

Quick Answer

The P1658 code on a 2010 Honda Accord indicates a malfunction in the Electronic Throttle Control System Control Relay. Common causes include Faulty electronic throttle control system control relay, Wiring or connector issues in the electronic throttle control system, Defective electronic throttle control module. 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
P1658 2010 Honda Accord indicates Electronic Throttle Control System Control Relay ON Malfunction.
Common causes
Common causes include Faulty electronic throttle control system control relay, Wiring or connector issues in the electronic throttle control system, Defective electronic throttle control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 08, 2024
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Code P1658 2010 Honda Accord Description

The P1658 code on a 2010 Honda Accord indicates a malfunction in the Electronic Throttle Control System Control Relay. This system is responsible for regulating the throttle opening to control the engine speed and power output. The control relay plays a crucial role in this process by sending signals to the electronic throttle control module to adjust the throttle position accordingly.

OBDII Code P1658 2010 Honda Accord - Electronic Throttle Control System Control Relay ON Malfunction
P1658 2010 Honda Accord Code - Electronic Throttle Control System Control Relay ON Malfunction

Common Causes of P1658 2010 Honda Accord

  1. Faulty electronic throttle control system control relay
  2. Wiring or connector issues in the electronic throttle control system
  3. Defective electronic throttle control module
  4. Corrosion or damage to the electronic throttle body
  5. Software malfunction in the engine control module (ECM)

Symptoms of P1658 2010 Honda Accord

  1. Erratic engine performance
  2. Poor acceleration
  3. Stalling or difficulty starting the engine
  4. Higher than normal idle speed
  5. Decreased fuel efficiency

How to Fix P1658 2010 Honda Accord

  1. Begin by conducting a thorough inspection of the electronic throttle control system to identify any visible damage or loose connections.
  2. Test the electronic throttle control system control relay using a multimeter to determine if it is functioning correctly.
  3. If the relay is found to be faulty, replace it with a new one following the manufacturer's specifications.
  4. Check the wiring harness and connectors for any signs of damage or corrosion and repair or replace them as needed.
  5. Clear the diagnostic trouble codes from the vehicle's ECM and perform a test drive to ensure that the issue has been resolved.

Cost to Fix P1658 2010 Honda Accord

The typical repair costs for addressing a P1658 code on a 2010 Honda Accord can range from $150 to $400, depending on the specific cause of the issue and the parts required for the repair. This estimate includes the cost of the electronic throttle control system control relay, any necessary wiring repairs, and labor charges. It is important to note that the exact cost can vary based on the location of the repair shop, the make and model of the vehicle, and the extent of the repairs needed. It is recommended to consult with a trusted mechanic or dealership for a more accurate cost estimate based on your individual circumstances.

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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 P1658 2010 Honda Accord Code

1. What are common symptoms of OBDII code P1658 on a 2010 Honda Accord?

The common symptoms of code P1658 include the Check Engine light illuminating on the dashboard, engine stalling or rough idling, and reduced engine performance.

2. What does the OBDII code P1658 "Electronic Throttle Control System Control Relay ON Malfunction" mean?

Code P1658 indicates a malfunction in the electronic throttle control system's control relay, which can affect the engine's performance and throttle response.

3. What are possible causes of OBDII code P1658 on a 2010 Honda Accord?

Possible causes of code P1658 include a faulty electronic throttle control relay, damaged wiring or connectors in the relay circuit, or issues with the electronic throttle control system itself.

4. How can I diagnose the cause of OBDII code P1658 on my 2010 Honda Accord?

Diagnosing code P1658 may involve checking the electronic throttle control relay, inspecting the wiring and connectors for damage, and conducting a thorough scan of the electronic throttle control system for any other issues.

5. Can I continue driving my 2010 Honda Accord with OBDII code P1658?

It is not recommended to continue driving your vehicle with code P1658 present, as it can lead to further damage to the electronic throttle control system and potentially affect the safety and performance of the vehicle.

6. How can I repair OBDII code P1658 on my 2010 Honda Accord?

Repairing code P1658 may involve replacing the electronic throttle control relay, repairing any damaged wiring or connectors, and clearing the code from the vehicle's ECU using an OBDII scanner.

7. Is it necessary to reset the ECU after repairing OBDII code P1658?

Yes, it is recommended to reset the ECU after repairing code P1658 to clear the fault code and allow the vehicle's system to relearn the electronic throttle control parameters.

8. Can a DIY enthusiast fix OBDII code P1658 on a 2010 Honda Accord?

Depending on your level of automotive knowledge and experience, you may be able to diagnose and repair code P1658 yourself by following the appropriate repair procedures and using the necessary tools.

9. How much does it cost to repair OBDII code P1658 at a professional mechanic?

The cost of repairing code P1658 at a professional mechanic can vary based on the specific issue causing the code, the labor rates in your area, and any replacement parts that may be needed. It's recommended to obtain a quote from a trusted mechanic.

10. How long does it take to repair OBDII code P1658 on a 2010 Honda Accord?

The time required to repair code P1658 can vary depending on the cause of the malfunction, the availability of replacement parts, and the expertise of the person performing the repair. In general, it may take a few hours to a full day to diagnose and fix the issue.

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