AutoCodes – Mazda – P0356 Mazda

P0356 Mazda Code - Ignition Coil Primary Circuit Fault Cylinder 6

Quick Answer

The ignition system on the vehicle uses individual ignition coils for each cylinder. Common causes include Faulty Ignition Coil 6, Ignition Coil 6 harness is open or shorted, Ignition Coil 6 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: P0356 Mazda indicates Ignition Coil Primary Circuit Fault Cylinder 6.
Common causes: Common causes include Faulty Ignition Coil 6, Ignition Coil 6 harness is open or shorted, Ignition Coil 6 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 5,891

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
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0356 Mazda 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 P0356 Mazda - Ignition Coil Primary Circuit Fault Cylinder 6 - AutoCodes.com — P0356 Mazda Code - Ignition Coil Primary Circuit Fault Cylinder 6

What does this mean?

What are the Possible Causes of the DTC P0356 Mazda?

Faulty Ignition Coil 6
Ignition Coil 6 harness is open or shorted
Ignition Coil 6 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0356 Mazda?

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 P0356 Mazda 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 P0356 Mazda code?

Need more information on how to fix the P0356 Mazda code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0356 Mazda 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 P0356 Mazda Code

1. What are common symptoms of an ignition coil primary circuit fault in cylinder 6 (P0356) on a Mazda?

Symptoms may include engine misfires, rough idling, loss of power, and illuminated Check Engine Light.

2. What are the possible causes of OBDII code P0356 on a Mazda related to cylinder 6?

Common causes include a faulty ignition coil, damaged wiring or connectors, a defective spark plug, or issues with the Engine Control Module (ECM).

3. How can I diagnose the ignition coil primary circuit fault in cylinder 6 on my Mazda?

Diagnosis involves using an OBDII scanner to read the code, visually inspecting the ignition coil, spark plug, and wiring, and conducting tests to determine the root cause.

4. Can driving with a P0356 fault code harm my Mazda's engine?

Continued driving with this fault can potentially lead to further engine damage, reduced fuel efficiency, and increased emissions. It's recommended to address the issue promptly.

5. Is it possible to repair the ignition coil primary circuit fault in cylinder 6 on a Mazda without professional help?

While some basic troubleshooting like inspecting connections can be done by DIY enthusiasts, diagnosing and repairing complex issues may require professional assistance to ensure proper resolution.

6. Are there any preventive maintenance tips to avoid encountering P0356 on a Mazda?

Regularly servicing your vehicle, checking and replacing spark plugs as per the manufacturer's recommendations, and addressing any ignition system issues promptly can help prevent this fault code.

7. Should I replace all ignition coils if I encounter a primary circuit fault in just one cylinder?

It's not necessary to replace all ignition coils unless they are showing signs of wear or failure. Focus on diagnosing and addressing the specific issue related to the fault code.

8. Can a faulty ECM cause the ignition coil primary circuit fault in cylinder 6 on a Mazda?

Yes, a malfunctioning Engine Control Module (ECM) can potentially cause issues with the ignition system, leading to the P0356 fault code.

9. How much does it typically cost to repair an ignition coil primary circuit fault in cylinder 6 on a Mazda?

The cost can vary depending on the root cause of the issue, labor rates in your area, and whether you choose to DIY or seek professional help. It's advisable to obtain estimates from reputable mechanics.

10. Will resetting the fault code make it go away permanently?

Resetting the fault code without addressing the underlying issue will not resolve the problem permanently. It's important to diagnose and fix the root cause to prevent the code from reappearing.