AutoCodes – Honda – P0354 2018 Honda CR-V

P0354 2018 Honda CR-V 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 2018 Honda CR-V 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.

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Code Popularity 223

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
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Code P0354 2018 Honda CR-V 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 2018 Honda CR-V - No. 4 Cylinder Ignition Coil Circuit Malfunction - AutoCodes.com — P0354 2018 Honda CR-V Code - No. 4 Cylinder Ignition Coil Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P0354 2018 Honda CR-V?

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 2018 Honda CR-V?

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 2018 Honda CR-V 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 2018 Honda CR-V code?

Need more information on how to fix the P0354 2018 Honda CR-V code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0354 2018 Honda CR-V code diagnosed by a professional: Find a repair shop in your area

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 2018 Honda CR-V Code

1. What are common symptoms of OBDII code P0354 on a 2018 Honda CR-V?

The common symptoms of code P0354 on a 2018 Honda CR-V include engine misfires, rough idling, loss of power, and illuminated Check Engine Light.

2. What does the OBDII code P0354 mean for a 2018 Honda CR-V?

Code P0354 indicates a malfunction in the ignition coil circuit of the No. 4 cylinder in the engine of a 2018 Honda CR-V.

3. What are possible causes of OBDII code P0354 on a 2018 Honda CR-V?

Potential causes of code P0354 on a 2018 Honda CR-V include a faulty ignition coil, damaged wiring or connectors, ECM issues, or a bad spark plug in the No. 4 cylinder.

4. How serious is an OBDII code P0354 on a 2018 Honda CR-V?

Code P0354 should be addressed promptly as it can lead to poor engine performance, decreased fuel efficiency, and potential damage to the catalytic converter if left unresolved.

5. How can I diagnose OBDII code P0354 on a 2018 Honda CR-V?

Diagnosing code P0354 involves inspecting the No. 4 ignition coil, checking the wiring and connectors for damage, testing the spark plug, and using a diagnostic scan tool to monitor the ignition system.

6. Can I still drive my 2018 Honda CR-V with OBDII code P0354?

It is not recommended to drive your 2018 Honda CR-V with code P0354, as it can cause further damage to the engine and other components. It is best to address the issue promptly.

7. How can I repair OBDII code P0354 on a 2018 Honda CR-V?

Repairing code P0354 may involve replacing the ignition coil for the No. 4 cylinder, repairing any damaged wiring or connectors, checking and potentially replacing the spark plug, and clearing the code with a scan tool.

8. Is it possible to prevent OBDII code P0354 from occurring on a 2018 Honda CR-V?

While some cases of code P0354 are unavoidable due to normal wear and tear, regular maintenance, including timely spark plug replacements and ignition system checks, can help prevent this issue.

9. Will OBDII code P0354 reset itself on a 2018 Honda CR-V?

If the underlying issue causing code P0354 is not addressed, the code may reset itself after a certain number of drive cycles. However, it is crucial to fix the problem to prevent further issues.

10. How much does it cost to repair OBDII code P0354 on a 2018 Honda CR-V?

The cost of repairing code P0354 on a 2018 Honda CR-V can vary depending on the exact cause of the issue, but it typically ranges from $100 to $300 for parts and labor.