AutoCodes – Honda – P0351 2010 Honda Accord

P0351 2010 Honda Accord Code - Ignition Coil 1 Circuit Malfunction

Quick Answer

The ignition system on the vehicle uses individual ignition coils for each cylinder. Common causes include Faulty Ignition Coil 1, Ignition Coil 1 harness is open or shorted, Ignition Coil 1 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
P0351 2010 Honda Accord indicates Ignition Coil 1 Circuit Malfunction.
Common causes
Common causes include Faulty Ignition Coil 1, Ignition Coil 1 harness is open or shorted, Ignition Coil 1 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 4,843
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jun 14, 2020
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Code P0351 2010 Honda Accord Description

The ignition system on the vehicle uses individual ignition coils for each cylinder. The Engine Control Module (ECM) controls each ignition coil operation. The ECM sends a ON/OFF signal to energize the ignition coil to create a spark at the spark plug when a spark is required at the cylinder.
OBDII Code P0351 2010 Honda Accord - Ignition Coil 1 Circuit Malfunction - AutoCodes.com
P0351 2010 Honda Accord Code - Ignition Coil 1 Circuit Malfunction

What are the Possible Causes of the DTC P0351 2010 Honda Accord?

  • Faulty Ignition Coil 1
  • Ignition Coil 1 harness is open or shorted
  • Ignition Coil 1 circuit poor electrical connection
  • Faulty Engine Control Module (ECM)

How to Fix the DTC P0351 2010 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0351 2010 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 P0351 2010 Honda Accord code?

Need more information on how to fix the P0351 2010 Honda Accord code? Get Access to Factory Service Manuals

Need Help with the 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 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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