AutoCodes – Honda – P0351 2020 Honda CR-V

P0351 2020 Honda CR-V Code - No. 1 Cylinder Ignition Coil Circuit Malfunction

Quick Answer

The ignition coil is a part of the engine ignition system. Common causes include Faulty No, 1 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: P0351 2020 Honda CR-V indicates No. 1 Cylinder Ignition Coil Circuit Malfunction.
Common causes: Common causes include Faulty No, 1 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 172

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
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0351 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 P0351 2020 Honda CR-V - No. 1 Cylinder Ignition Coil Circuit Malfunction - AutoCodes.com — P0351 2020 Honda CR-V Code - No. 1 Cylinder Ignition Coil Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC P0351 2020 Honda CR-V?

Faulty No. 1 Ignition Coil
No. 1 Ignition Coil harness is open or shorted
No. 1 Ignition Coil circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0351 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 P0351 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 P0351 2020 Honda CR-V code?

Need more information on how to fix the P0351 2020 Honda CR-V 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 2020 Honda CR-V Code

1. What are the common symptoms of an OBDII code P0351 in a 2020 Honda CR-V?

- Common symptoms include engine misfires, rough idling, reduced power, and potential stalling of the vehicle.

2. What does the OBDII code P0351 in a 2020 Honda CR-V indicate?

- The code P0351 indicates a malfunction in the ignition coil circuit of the No. 1 cylinder in the engine.

3. What are the possible causes of a P0351 code in a 2020 Honda CR-V?

- Possible causes include a faulty ignition coil, wiring issues in the ignition coil circuit, poor electrical connections, or a damaged spark plug.

4. How can I diagnose the cause of a P0351 code in my 2020 Honda CR-V?

- To diagnose the issue, you can use a scan tool to check for other related codes, visually inspect the ignition coil and wiring for damage, test the ignition coil's resistance, and verify proper power supply to the coil.

5. Can driving with a P0351 code in a 2020 Honda CR-V cause further damage?

- Continuing to drive with a P0351 code can potentially lead to more severe engine problems, such as catalytic converter damage or permanent engine misfires.

6. Is it safe to continue driving my 2020 Honda CR-V with a P0351 code?

- It is not recommended to drive the vehicle with a P0351 code, as it can cause performance issues and potentially lead to further damage to the engine components.

7. How can I repair a P0351 code in my 2020 Honda CR-V?

- Repair involves replacing the faulty ignition coil, repairing any damaged wiring or connections, and ensuring proper installation of the new components.

8. Are there any preventive measures to avoid a P0351 code in a 2020 Honda CR-V?

- Regular maintenance, such as timely spark plug replacements and inspection of ignition components, can help prevent issues that may trigger a P0351 code.

9. Can I reset the OBDII code P0351 in my 2020 Honda CR-V without fixing the underlying issue?

- While you can clear the code with an OBDII scan tool, it is important to address the root cause of the problem to prevent the code from reappearing.

10. How much does it typically cost to repair a P0351 code in a 2020 Honda CR-V?

- The cost of repairing a P0351 code can vary depending on the extent of the issue, but it may involve parts and labor expenses ranging from $100 to $300 or more.