AutoCodes – Honda – P0354 2008 Honda Accord

P0354 2008 Honda Accord Code - Ignition Coil 4 Circuit Malfunction

Quick Answer

The ignition system on the vehicle uses individual ignition coils for each cylinder. Common causes include Faulty Ignition Coil 4, Ignition Coil 4 harness is open or shorted, Ignition Coil 4 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: P0354 2008 Honda Accord indicates Ignition Coil 4 Circuit Malfunction.
Common causes: Common causes include Faulty Ignition Coil 4, Ignition Coil 4 harness is open or shorted, Ignition Coil 4 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.

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Code Popularity 6,766

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0354 2008 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 P0354 2008 Honda Accord - Ignition Coil 4 Circuit Malfunction - AutoCodes.com — P0354 2008 Honda Accord Code - Ignition Coil 4 Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P0354 2008 Honda Accord?

Faulty Ignition Coil 4
Ignition Coil 4 harness is open or shorted
Ignition Coil 4 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0354 2008 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 P0354 2008 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 P0354 2008 Honda Accord code?

Need more information on how to fix the P0354 2008 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 P0354 2008 Honda Accord Code

1. What does OBDII code P0354 mean for a 2008 Honda Accord?

The code P0354 indicates a malfunction in the ignition coil 4 circuit of the vehicle.

2. What are common symptoms of a P0354 error in a 2008 Honda Accord?

Common symptoms include engine misfires, rough idling, loss of power, and illuminated check engine light.

3. What are possible causes of a P0354 error in a 2008 Honda Accord?

Possible causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or issues with the Engine Control Module (ECM).

4. How can I diagnose a P0354 error in my 2008 Honda Accord?

Diagnosing a P0354 error typically involves checking the ignition coil 4, inspecting the wiring and connectors for damage, and using an OBDII scanner to read the code and clear it for further testing.

5. Can a P0354 error in a 2008 Honda Accord be fixed at home?

Depending on the cause, some DIY enthusiasts may be able to fix a P0354 error at home by replacing the faulty ignition coil, checking and repairing damaged wiring, or resetting the ECM.

6. Is driving with a P0354 error in a 2008 Honda Accord safe?

Continuing to drive with a P0354 error can potentially lead to further damage to the engine or catalytic converter. It is recommended to address the issue promptly.

7. How much does it cost to repair a P0354 error in a 2008 Honda Accord?

The cost of repairing a P0354 error can vary depending on the cause and the extent of the repairs needed. It's advisable to consult a mechanic for a proper diagnosis and cost estimate.

8. Can a P0354 error cause other problems in a 2008 Honda Accord?

If left unresolved, a P0354 error can lead to decreased fuel efficiency, engine performance issues, and potential damage to other ignition components.

9. How long does it take to repair a P0354 error in a 2008 Honda Accord?

The repair time for a P0354 error can vary depending on the cause and the complexity of the repair needed. It's best to consult a mechanic for a more accurate estimate.

10. How often does a P0354 error occur in a 2008 Honda Accord?

While the frequency of a P0354 error can vary, it is not an uncommon issue in vehicles with ignition coil circuit malfunctions. Regular maintenance can help prevent such errors from occurring.