AutoCodes – Honda – P0354 2020 Honda CR-V

P0354 2020 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 2020 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 213

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 2020 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 2020 Honda CR-V - No. 4 Cylinder Ignition Coil Circuit Malfunction - AutoCodes.com — P0354 2020 Honda CR-V Code - No. 4 Cylinder Ignition Coil Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P0354 2020 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 2020 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 2020 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 2020 Honda CR-V code?

Need more information on how to fix the P0354 2020 Honda CR-V code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0354 2020 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 2020 Honda CR-V Code

1. What does the OBDII code P0354 mean on a 2020 Honda CR-V?

P0354 indicates a malfunction in the ignition coil circuit for cylinder No. 4. This could involve an issue with the coil itself, wiring, or the Powertrain Control Module (PCM).

2. What are the common symptoms of code P0354 in a 2020 Honda CR-V?

Common symptoms include engine misfires, rough idling, reduced fuel efficiency, poor acceleration, and the Check Engine Light illuminating.

3. What causes the P0354 code to appear on my 2020 Honda CR-V?

The most common causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or a malfunctioning PCM.

4. Can I drive my 2020 Honda CR-V with a P0354 code?

Driving with this code is not recommended, as it can lead to further damage to the engine or catalytic converter due to misfires.

5. How do I diagnose the P0354 code on a 2020 Honda CR-V?

Start by inspecting the ignition coil for cylinder No. 4, checking for damaged wiring or loose connections. If no visible issues are found, test the ignition coil and circuit with a multimeter or consult with a professional mechanic.

6. How much does it cost to fix the P0354 code on a 2020 Honda CR-V?

The repair cost can vary. Replacing the ignition coil typically costs $100â€“$300, including parts and labor. Wiring repairs or PCM replacement may cost more.

7. Can a bad spark plug cause the P0354 code on a 2020 Honda CR-V?

While a bad spark plug is not the direct cause, it can contribute to misfires, which may lead to related ignition issues. It's best to inspect and replace spark plugs if necessary.

8. How do I reset the P0354 code on a 2020 Honda CR-V after repairs?

After completing repairs, you can clear the code using an OBDII scanner. Drive the vehicle to ensure the issue is resolved and the code does not return.

9. Is the P0354 code specific to Honda CR-Vs, or does it apply to other vehicles?

The P0354 code is a generic OBDII code applicable to all vehicles, but the specific diagnosis and repair steps may vary based on the make and model.

10. Does a P0354 code always mean the ignition coil needs replacement?

Not necessarily. The issue could also stem from damaged wiring, loose connections, or a faulty PCM. Proper diagnosis is essential before replacing parts.