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P1355 Mazda Code - Ignition Coil 'D' Primary Circuit

Quick Answer

The P1355 diagnostic trouble code (DTC) specifically pertains to the ignition coil 'D' primary circuit in Mazda vehicles. Common causes include Faulty ignition coil 'D.', Damaged or corroded wiring in the ignition coil circuit, Poor electrical connections or loose connectors. 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
P1355 Mazda indicates Ignition Coil 'D' Primary Circuit.
Common causes
Common causes include Faulty ignition coil 'D.', Damaged or corroded wiring in the ignition coil circuit, Poor electrical connections or loose connectors.
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.
What is this?
Table of contents Created and updated by William Orellana on Oct 15, 2024
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Code P1355 Mazda Description

The P1355 diagnostic trouble code (DTC) specifically pertains to the ignition coil 'D' primary circuit in Mazda vehicles. This code indicates that the Engine Control Module (ECM) has detected a malfunction in the primary circuit of the ignition coil designated as 'D.' The ignition coil is a crucial component in the ignition system, responsible for converting the battery's low voltage into the high voltage necessary to create a spark at the spark plugs. When the primary circuit of the ignition coil fails, it can lead to misfires, poor engine performance, and increased emissions.

OBDII Code P1355 Mazda - Ignition Coil 'D' Primary Circuit
P1355 Mazda Code - Ignition Coil 'D' Primary Circuit

Common Causes of P1355 Mazda

  1. Faulty ignition coil 'D.'
  2. Damaged or corroded wiring in the ignition coil circuit.
  3. Poor electrical connections or loose connectors.
  4. Malfunctioning Engine Control Module (ECM).
  5. Issues with the vehicle's powertrain control system.

Symptoms of P1355 Mazda

  1. Rough engine idle or stalling.
  2. Difficulty starting the vehicle.
  3. Reduced engine power or acceleration.
  4. Increased fuel consumption.
  5. Illuminated check engine light.

How to Fix P1355 Mazda

  1. Diagnostic Testing: Begin with a thorough diagnostic scan to confirm the P1355 code and check for any additional codes that may provide more context.
  2. Visual Inspection: Inspect the ignition coil 'D' and its wiring for any visible damage, corrosion, or loose connections. Address any issues found during this inspection.
  3. Ignition Coil Replacement: If the ignition coil is determined to be faulty, replace it with a new, OEM-quality coil to ensure compatibility and reliability.
  4. Wiring Repair: If damaged wiring or connectors are found, repair or replace them as necessary to restore proper electrical flow to the ignition coil.
  5. Clear Codes and Test Drive: After repairs, clear the DTCs from the ECM and perform a test drive to ensure the issue has been resolved and that the vehicle operates normally.

Cost to Fix P1355 Mazda

The typical repair costs for addressing a P1355 code can vary widely based on the specific diagnosis and repair needed. On average, the cost to replace an ignition coil can range from $100 to $300, including parts and labor. If wiring issues are present, costs may increase depending on the extent of the repairs needed. Labor rates at auto repair shops can vary significantly based on location, vehicle make and model, and engine type. Most shops charge between $80 and $150 per hour; however, rates may be higher in metropolitan areas or at dealerships. Independent shops often offer lower rates. It's advisable to check local rates for a more precise estimate and to obtain a detailed quote before proceeding with repairs.

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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 P1355 Mazda Code

1. What does the OBDII code P1355 mean for a Mazda?

P1355 indicates an issue with the Ignition Coil 'D' Primary Circuit, typically signaling a malfunction with the ignition coil or its associated wiring for cylinder 4.

2. What are the common symptoms of the P1355 code in a Mazda?

Symptoms include engine misfires, rough idling, decreased fuel efficiency, reduced power, and the check engine light illuminating.

3. What causes the P1355 code to appear in a Mazda?

Common causes include a faulty ignition coil, damaged wiring or connectors, a defective engine control module (ECM), or issues with the spark plugs.

4. Can I drive my Mazda with the P1355 code?

While the car may still run, driving with this code can cause engine damage over time due to misfires and poor performance. It’s best to address the issue promptly.

5. How do I diagnose the P1355 code on a Mazda?

Use an OBDII scanner to verify the code, inspect the ignition coil and wiring for damage, and test the coil's resistance with a multimeter to ensure it’s functioning properly.

6. How can I fix the P1355 code on my Mazda?

Repair solutions typically include replacing the faulty ignition coil, repairing damaged wiring or connectors, or replacing spark plugs if worn.

7. How much does it cost to fix the P1355 code on a Mazda?

Repair costs vary, but replacing an ignition coil typically ranges from $150 to $300, depending on labor and parts pricing.

8. Can a bad spark plug cause the P1355 code in a Mazda?

Yes, a worn or damaged spark plug can cause additional strain on the ignition coil and trigger the P1355 code.

9. Will clearing the P1355 code fix the problem permanently?

Clearing the code may temporarily remove the check engine light, but the underlying issue must be resolved to prevent the code from returning.

10. How can I prevent the P1355 code on my Mazda?

Regular maintenance, such as replacing spark plugs on schedule and inspecting ignition coils and wiring, can help prevent this issue.

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