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Engine-Codes – Honda – P0351 2010 Honda Accord

P0351 2010 Honda Accord Code - Ignition Coil 1 Circuit Malfunction

Quick Answer

The diagnostic trouble code P0351 for a 2010 Honda Accord indicates an ignition coil 1 circuit malfunction. Common causes include Damaged or corroded wiring, Faulty connectors, Internal ignition coil failure. 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
P0351 2010 Honda Accord indicates Ignition Coil 1 Circuit Malfunction.
Common causes
Common causes include Damaged or corroded wiring, Faulty connectors, Internal ignition coil failure.
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 12, 2024
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Code P0351 2010 Honda Accord Description

The diagnostic trouble code P0351 for a 2010 Honda Accord indicates an ignition coil 1 circuit malfunction. The ignition coil is a crucial component in the vehicle's ignition system, responsible for generating the high voltage needed to ignite the air-fuel mixture in the engine cylinders. In this case, the code specifically points to an issue with the circuit associated with the ignition coil for cylinder 1.

OBDII Code P0351 2010 Honda Accord - Ignition Coil 1 Circuit Malfunction
P0351 2010 Honda Accord Code - Ignition Coil 1 Circuit Malfunction

Common Causes of P0351 2010 Honda Accord

  1. Damaged or corroded wiring
  2. Faulty connectors
  3. Internal ignition coil failure
  4. Poor electrical connections
  5. Excessive heat or vibration

Symptoms of P0351 2010 Honda Accord

  1. Engine misfiring
  2. Rough idling
  3. Difficulty starting
  4. Decreased engine performance
  5. Reduced fuel efficiency

How to Fix P0351 2010 Honda Accord

  1. Diagnose the issue by performing a visual inspection of the ignition coil circuit, checking for any visible damage or corrosion.
  2. Test the ignition coil using a multimeter to determine if it is functioning properly or needs to be replaced.
  3. Inspect the wiring and connectors for any signs of damage, replacing any faulty components as needed.
  4. Clear the diagnostic trouble code using an OBD-II scanner and test drive the vehicle to ensure the issue has been resolved.
  5. If the problem persists, consider seeking professional help to further diagnose and repair the ignition coil circuit.

Cost to Fix P0351 2010 Honda Accord

The typical repair costs for addressing an ignition coil 1 circuit malfunction can vary based on the extent of the issue and the specific components that need to be replaced. On average, the cost of replacing an ignition coil can range from $100 to $300, while labor costs may add an additional $50 to $100. Overall, the total repair cost for this issue could amount to approximately $150 to $400. However, it's important to note that these estimates are general and may vary depending on the location, vehicle make and model, and the rates of the auto repair shop. It's recommended to obtain a detailed quote from a qualified mechanic or service center for a more accurate cost estimate.

When is the Code Detected?

Each ignition circuit is continuously monitored by the Engine Control Module (ECM). The test fails when the ECM does not receive a valid pulse signal from the ignition coil.

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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 P0351 2010 Honda Accord Code

1. What are the common symptoms of OBDII code P0351 on a 2010 Honda Accord?

The common symptoms of OBDII code P0351, indicating an Ignition Coil 1 Circuit Malfunction, include rough idling, engine misfires, lack of power, and illuminated check engine light.

2. What are the possible causes of OBDII code P0351 on a 2010 Honda Accord?

The potential causes of OBDII code P0351 on a 2010 Honda Accord include a faulty ignition coil, wiring or connection issues in the ignition coil circuit, or a problem with the Engine Control Module (ECM).

3. How can I diagnose the OBDII code P0351 on my 2010 Honda Accord?

To diagnose OBDII code P0351, you can start by checking the ignition coil for proper functioning, inspecting the wiring and connections related to the ignition coil, and using a scan tool to gather more specific diagnostic trouble codes.

4. Can driving with OBDII code P0351 on a 2010 Honda Accord cause further damage?

Continuing to drive with OBDII code P0351, indicating an Ignition Coil 1 Circuit Malfunction, can potentially lead to further damage to the engine, decreased fuel efficiency, and increased emissions. It is recommended to address the issue promptly.

5. How do I repair OBDII code P0351 on my 2010 Honda Accord?

To repair OBDII code P0351, you may need to replace the faulty ignition coil, repair any damaged wiring or connections, or reset the Engine Control Module (ECM) after fixing the issue. It is advisable to follow the manufacturer's repair procedures.

6. Can a DIY enthusiast fix OBDII code P0351 on a 2010 Honda Accord?

A DIY enthusiast with the necessary tools and knowledge can potentially fix OBDII code P0351 by replacing the faulty ignition coil, checking and repairing any wiring issues, and clearing the trouble code using a scan tool.

7. Is it safe to continue driving my 2010 Honda Accord with OBDII code P0351 if the symptoms are not severe?

While it may be tempting to continue driving if the symptoms are not severe, it is not recommended to ignore OBDII code P0351. Addressing the issue promptly can prevent further complications and ensure the proper functioning of your vehicle.

8. How much does it typically cost to repair OBDII code P0351 on a 2010 Honda Accord?

The cost of repairing OBDII code P0351 on a 2010 Honda Accord can vary depending on the root cause of the issue, the cost of parts, and labor charges. It is advisable to obtain quotes from different repair shops for an accurate estimate.

9. Can bad spark plugs cause OBDII code P0351 on a 2010 Honda Accord?

While bad spark plugs can contribute to ignition issues, OBDII code P0351 specifically relates to the Ignition Coil 1 Circuit Malfunction. It is recommended to diagnose the problem accurately to determine the root cause and ensure proper repair.

10. How long does it take to repair OBDII code P0351 on a 2010 Honda Accord?

The time taken to repair OBDII code P0351 on a 2010 Honda Accord can vary based on the complexity of the issue, availability of parts, and the expertise of the technician. Typically, it may take a few hours to a day for diagnosis and repair.

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