AutoCodes – Hyundai – P0351 Hyundai

P0351 Hyundai Code - Ignition Coil 'A' Primary/Secondary Circuit

Quick Answer

The ignition system on the vehicle uses individual ignition coils for each cylinder. Common causes include Faulty Ignition Coil 1, Ignition Coil 1 harness is open or shorted, Ignition Coil 1 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: P0351 Hyundai indicates Ignition Coil 'A' Primary/Secondary Circuit.
Common causes: Common causes include Faulty Ignition Coil 1, Ignition Coil 1 harness is open or shorted, Ignition Coil 1 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 9,039

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
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0351 Hyundai 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 P0351 Hyundai - Ignition Coil 'A' Primary/Secondary Circuit - AutoCodes.com — P0351 Hyundai Code - Ignition Coil 'A' Primary/Secondary Circuit

What does this mean?

What are the Possible Causes of the DTC P0351 Hyundai?

Faulty Ignition Coil 1
Ignition Coil 1 harness is open or shorted
Ignition Coil 1 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0351 Hyundai?

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 Hyundai 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 Hyundai 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 Hyundai Code

1. What are the common symptoms of OBDII code P0351 on a Hyundai related to the Ignition Coil 'A' Primary/Secondary Circuit?

- Common symptoms include engine misfires, rough idling, loss of power, and in some cases, the Check Engine light illuminating.

2. What are the possible causes of OBDII code P0351 on a Hyundai?

- The code P0351 typically indicates a faulty ignition coil 'A', issues with the ignition coil circuit, wiring problems, or a failed Engine Control Module (ECM).

3. How can I diagnose the source of OBDII code P0351 on my Hyundai?

- To diagnose the issue, you can use a scan tool to check for additional trouble codes, inspect the ignition coil and related wiring for damage, and perform tests to determine the health of the ignition coil.

4. Can I continue driving my Hyundai with OBDII code P0351 present?

- It is not recommended to drive your vehicle with OBDII code P0351 as it can lead to further engine damage and potential safety hazards. It is best to address the issue promptly.

5. How can I repair OBDII code P0351 related to the Ignition Coil 'A' Primary/Secondary Circuit on a Hyundai?

- Repair options may include replacing the faulty ignition coil 'A', repairing damaged wiring or connections, and resetting the ECM after the issue has been resolved.

6. Is it possible to prevent OBDII code P0351 from occurring in the future on my Hyundai?

- Regular maintenance, such as inspecting and replacing ignition components as needed, can help prevent OBDII code P0351 from occurring. Keeping up with scheduled tune-ups is also beneficial.

7. Can a DIY enthusiast fix OBDII code P0351 on a Hyundai themselves?

- Depending on the individual's skill level and access to tools, some DIY enthusiasts may be able to diagnose and repair OBDII code P0351. However, professional assistance is recommended for accurate diagnosis and repair.

8. Will clearing the OBDII code P0351 on my Hyundai make it go away permanently?

- Clearing the code may temporarily turn off the Check Engine light, but if the underlying issue causing OBDII code P0351 is not resolved, the code is likely to return.

9. How long does it typically take to repair OBDII code P0351 on a Hyundai at a repair shop?

- The time needed to repair OBDII code P0351 can vary depending on the exact cause of the issue, but it generally takes a few hours to a full day for diagnosis and repair at a professional repair shop.

10. Are there any recalls or technical service bulletins related to OBDII code P0351 for Hyundai vehicles?

- It is recommended to check with Hyundai authorized service centers or online databases for any recalls or technical service bulletins related to OBDII code P0351 specific to your vehicle model and year.