AutoCodes – Hyundai – P1351 Hyundai

P1351 Hyundai Code - #1 MF Signal Line Open

Quick Answer

P1351 Hyundai indicates #1 MF Signal Line Open. Common causes for P1351 Hyundai include wiring or connector problems, a faulty related sensor or actuator, and control module or calibration issues. 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: P1351 Hyundai indicates #1 MF Signal Line Open.
Common causes: Common causes for P1351 Hyundai include wiring or connector problems, a faulty related sensor or actuator, and control module or calibration issues.
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 3,727

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 17, 2019

Description
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

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

Code P1351 Hyundai Description

OBDII Code P1351 Hyundai - #1 MF Signal Line Open - AutoCodes.com — P1351 Hyundai Code - #1 MF Signal Line Open

How to Fix the DTC P1351 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 P1351 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 P1351 Hyundai code?

Need more information on how to fix the P1351 Hyundai code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1351 Hyundai 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 P1351 Hyundai Code

1. What are the common symptoms of OBDII code P1351 Hyundai (MF Signal Line Open)?

The common symptoms of OBDII code P1351 Hyundai (MF Signal Line Open) include engine misfires, rough idling, and a noticeable decrease in engine performance.

2. What can cause the OBDII code P1351 Hyundai to trigger?

The OBDII code P1351 Hyundai (MF Signal Line Open) is typically triggered by a fault in the ignition control module, faulty ignition coils, or issues with the wiring harness connected to the ignition system.

3. How can I diagnose the OBDII code P1351 Hyundai issue?

To diagnose the OBDII code P1351 Hyundai, you can start by inspecting the ignition system components, checking for loose connections or damaged wiring, and using a scan tool to monitor the ignition system signals.

4. What are the possible repair options for resolving the OBDII code P1351 Hyundai?

Possible repair options for resolving the OBDII code P1351 Hyundai (MF Signal Line Open) include replacing the faulty ignition control module, repairing or replacing damaged wiring harnesses, and ensuring proper connection of the ignition system components.

5. Is it safe to continue driving with the OBDII code P1351 Hyundai active?

It is not recommended to continue driving with the OBDII code P1351 Hyundai active, as it can lead to further engine damage and potential safety hazards. It is best to address the issue promptly to prevent any complications.

6. Can a DIY enthusiast fix the OBDII code P1351 Hyundai issue?

While some DIY enthusiasts may have the skills to diagnose and repair the OBDII code P1351 Hyundai, it is recommended to seek professional help, especially if dealing with complex ignition system components or wiring.

7. How much does it typically cost to repair the OBDII code P1351 Hyundai issue?

The cost to repair the OBDII code P1351 Hyundai can vary depending on the extent of the issue, the replacement parts needed, and the labor rates of the repair shop. It is advisable to get a few quotes from different mechanics to compare prices.

8. Can weather conditions affect the OBDII code P1351 Hyundai?

Extreme weather conditions such as excessive heat or moisture can potentially affect the ignition system components and wiring, which may contribute to triggering the OBDII code P1351 Hyundai. It is essential to keep the vehicle well-maintained to prevent weather-related issues.

9. Are there any preventive measures to avoid the OBDII code P1351 Hyundai in the future?

Regular maintenance of the ignition system, including checking and replacing spark plugs, ignition coils, and wiring harnesses at recommended intervals, can help prevent the OBDII code P1351 Hyundai from occurring in the future.

10. Can resetting the OBDII system clear the P1351 Hyundai code?

Resetting the OBDII system may temporarily clear the P1351 Hyundai code, but if the underlying issue is not addressed and repaired, the code is likely to reappear. It is crucial to diagnose and fix the root cause of the problem for a lasting solution.