AutoCodes – Honda – P0354 Honda

P0354 Honda Code - No. 4 Cylinder Ignition Coil Circuit Malfunction

Quick Answer

The ignition coil is a part of the engine ignition system. Common causes include Faulty No, 4 Ignition Coil, No. 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 Honda indicates No. 4 Cylinder Ignition Coil Circuit Malfunction.
Common causes: Common causes include Faulty No, 4 Ignition Coil, No.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 17,598

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 Aug 17, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P0354 Honda Description

The ignition coil is a part of the engine ignition system. It converts low voltage from the battery into high voltage needed to create a spark in the spark plugs. The ignition coil is triggered at the optimum time by the Powertrain Control Module (PCM) ON/OFF command. The PCM detects a malfunction when the engine is running and the return signal does not change for a specified time, the PCM detects a malfunction and stores a Diagnostic Trouble Code (DTC).

OBDII Code P0354 Honda - No. 4 Cylinder Ignition Coil Circuit Malfunction - AutoCodes.com — P0354 Honda Code - No. 4 Cylinder Ignition Coil Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P0354 Honda?

Faulty No. 4 Ignition Coil
No. 4 Ignition Coil harness is open or shorted
No. 4 Ignition Coil circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0354 Honda?

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 Honda 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 Honda code?

Need more information on how to fix the P0354 Honda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0354 Honda code diagnosed by a professional: Find a repair shop in your area

Information for Specific Honda Models

P0354 2008 Honda Accord — Ignition Coil 4 Circuit Malfunction
P0354 2009 Honda Accord — Ignition Coil 4 Circuit Malfunction
P0354 2010 Honda Accord — Ignition Coil 4 Circuit Malfunction
P0354 2016 Honda CR-V — No. 4 Cylinder Ignition Coil Circuit Malfunction
P0354 2017 Honda CR-V — No. 4 Cylinder Ignition Coil Circuit Malfunction
P0354 2018 Honda CR-V — No. 4 Cylinder Ignition Coil Circuit Malfunction
P0354 2019 Honda CR-V — No. 4 Cylinder Ignition Coil Circuit Malfunction
P0354 2020 Honda CR-V — No. 4 Cylinder Ignition Coil Circuit Malfunction
P0354 2021 Honda CR-V — No. 4 Cylinder Ignition Coil Circuit Malfunction

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 Honda Code

1. What are the common symptoms of OBDII code P0354 in a Honda?

The common symptoms of OBDII code P0354 in a Honda include engine misfires, rough idling, loss of power, and illuminated Check Engine Light.

2. What does the OBDII code P0354 indicate in a Honda?

OBDII code P0354 in a Honda indicates a No. 4 Cylinder Ignition Coil Circuit Malfunction.

3. What are the possible causes of OBDII code P0354 in a Honda?

Possible causes of OBDII code P0354 in a Honda 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 the No. 4 Cylinder Ignition Coil Circuit Malfunction in my Honda?

Diagnosing OBDII code P0354 involves inspecting the No. 4 ignition coil, checking the wiring and connectors for damage, and using a scan tool to analyze the ECM data for any irregularities.

5. Can driving with OBDII code P0354 in a Honda cause further damage?

Continuing to drive with OBDII code P0354 in a Honda can potentially cause damage to the catalytic converter, spark plugs, and other engine components due to increased stress and inefficiency.

6. How can I repair OBDII code P0354 in my Honda?

To repair OBDII code P0354 in a Honda, you may need to replace the No. 4 ignition coil, repair or replace damaged wiring or connectors, and clear the trouble codes with a scan tool.

7. Is it safe to continue driving my Honda with OBDII code P0354?

It is not recommended to continue driving your Honda with OBDII code P0354, as it can lead to poor engine performance, reduced fuel efficiency, and potential damage to other engine components.

8. How much does it cost to fix OBDII code P0354 in a Honda?

The cost to fix OBDII code P0354 in a Honda can vary depending on the specific issue, labor rates, and whether you choose to do the repairs yourself or take it to a professional mechanic.

9. Can I prevent OBDII code P0354 from occurring in my Honda?

Regular maintenance, such as inspecting and replacing ignition coils as needed, checking wiring connections, and addressing any engine performance issues promptly, can help prevent OBDII code P0354 from occurring in your Honda.

10. Will resetting the Check Engine Light resolve OBDII code P0354 in my Honda?

Simply resetting the Check Engine Light without addressing the underlying issue causing OBDII code P0354 will not resolve the problem. It is essential to diagnose and repair the root cause of the malfunction to prevent the code from reoccurring.