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Engine-Codes – Toyota – P0355 2011 Toyota Camry

P0355 2011 Toyota Camry Code - Ignition Coil 5 Primary/Secondary Circuit

Quick Answer

The P0355 diagnostic trouble code (DTC) for a 2011 Toyota Camry specifically refers to the Ignition Coil 5 Primary/Secondary Circuit. Common causes include Faulty Ignition Coil: The most common cause of the P0355 code is a faulty ignition coil for cylinder 5, Damaged Wiring: Wiring connecting the ignition coil to the ECM or other components can become damaged or corroded over time, leading to connectivity issues, ECM Malfunction: A malfunction in the Engine Control Module (ECM) can also trigger the P0355 code, as it may not be able to properly regulate the ignition coil's operation. 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
P0355 2011 Toyota Camry indicates Ignition Coil 5 Primary/Secondary Circuit.
Common causes
Common causes include Faulty Ignition Coil: The most common cause of the P0355 code is a faulty ignition coil for cylinder 5, Damaged Wiring: Wiring connecting the ignition coil to the ECM or other components can become damaged or corroded over time, leading to connectivity issues, ECM Malfunction: A malfunction in the Engine Control Module (ECM) can also trigger the P0355 code, as it may not be able to properly regulate the ignition coil's operation.
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 Sep 10, 2024
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Code P0355 2011 Toyota Camry Description

The P0355 diagnostic trouble code (DTC) for a 2011 Toyota Camry specifically refers to the Ignition Coil 5 Primary/Secondary Circuit. This code indicates a problem with the ignition coil for cylinder 5 in the engine. The ignition coil is a crucial component of the ignition system, responsible for converting the low voltage from the battery into the high voltage needed to ignite the air-fuel mixture in the combustion chamber. If there is an issue with the ignition coil, it can lead to misfiring, which can result in poor engine performance, decreased fuel efficiency, and potentially even engine damage if left unresolved.

OBDII Code P0355 2011 Toyota Camry - Ignition Coil 5 Primary/Secondary Circuit
P0355 2011 Toyota Camry Code - Ignition Coil 5 Primary/Secondary Circuit

Common Causes of P0355 2011 Toyota Camry

  1. Faulty Ignition Coil: The most common cause of the P0355 code is a faulty ignition coil for cylinder 5.
  2. Damaged Wiring: Wiring connecting the ignition coil to the ECM or other components can become damaged or corroded over time, leading to connectivity issues.
  3. ECM Malfunction: A malfunction in the Engine Control Module (ECM) can also trigger the P0355 code, as it may not be able to properly regulate the ignition coil's operation.
  4. Spark Plug Issues: Worn-out or fouled spark plugs can put additional strain on the ignition coil, potentially leading to failure.
  5. Environmental Factors: Exposure to extreme temperatures, moisture, or other environmental factors can also contribute to ignition coil failure.

Symptoms of P0355 2011 Toyota Camry

  1. Check Engine Light: The most common symptom associated with the P0355 code is the illumination of the Check Engine Light on the vehicle's dashboard.
  2. Engine Misfiring: A faulty ignition coil can cause cylinder misfires, resulting in rough idling, hesitation, and a noticeable decrease in engine performance.
  3. Poor Fuel Efficiency: Misfires can also lead to poor fuel efficiency as the engine may not be running efficiently or effectively.
  4. Engine Stalling: In severe cases, a malfunctioning ignition coil can cause the engine to stall unexpectedly while driving.
  5. Increased Emissions: An ignition coil issue can also lead to increased emissions, which can cause the vehicle to fail emissions tests.

How to Fix P0355 2011 Toyota Camry

  1. Diagnostic Testing: The first step in addressing the P0355 code is to perform diagnostic testing to confirm the issue and pinpoint the exact cause.
  2. Replace Ignition Coil: If the ignition coil for cylinder 5 is found to be faulty, it will need to be replaced with a new, high-quality unit.
  3. Check Wiring: Inspect the wiring connecting the ignition coil to the ECM for any damage or corrosion, and repair or replace as necessary.
  4. Clear Codes: Once the issue has been resolved, clear the diagnostic trouble codes from the ECM to reset the Check Engine Light.
  5. Test Drive: After completing the repairs, take the vehicle for a test drive to ensure that the issue has been successfully resolved and that the engine is running smoothly.

Cost to Fix P0355 2011 Toyota Camry

The cost of repairing the P0355 code on a 2011 Toyota Camry can vary depending on the specific cause of the issue and the cost of parts and labor in your area. Generally, the cost of replacing an ignition coil can range from $100 to $300, with additional costs for diagnostic testing, wiring repairs, and labor. Overall, you can expect to pay anywhere from $200 to $500 for this repair, including parts and labor. Keep in mind that labor rates can vary between auto repair shops, so it's a good idea to get quotes from multiple shops to find the best price.

When is the Code Detected?

Each ignition circuit is continuously monitored by the Engine Control Module (ECM). The test fails when the ECM does not receive a valid pulse signal from the ignition coil.

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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 P0355 2011 Toyota Camry Code

1. What does code P0355 on a 2011 Toyota Camry mean?

Code P0355 indicates a problem with the ignition coil 5 primary/secondary circuit in the ignition system of the vehicle.

2. What are the common symptoms of a P0355 error in a Toyota Camry?

Common symptoms of a P0355 error include engine misfires, rough idling, poor acceleration, and potential stalling of the vehicle.

3. What are the possible causes of the ignition coil 5 primary/secondary circuit issue in a 2011 Toyota Camry?

Possible causes of a P0355 error include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or issues with the Engine Control Module (ECM).

4. How can I diagnose a P0355 error in my Toyota Camry?

Diagnosing a P0355 error typically involves using an OBDII scanner to retrieve the fault code, visually inspecting the ignition coil and related components, and testing the circuit for continuity and proper voltage.

5. Can I still drive my Toyota Camry with a P0355 error code?

It's not recommended to drive your Toyota Camry with a P0355 error as it can lead to further damage to the engine and other components. It's best to address the issue promptly.

6. How can I repair a P0355 error in my 2011 Toyota Camry?

Repairing a P0355 error may involve replacing the faulty ignition coil, repairing damaged wiring or connectors, or resetting the ECM after fixing the underlying issue.

7. Is it necessary to replace all ignition coils if one is found to be faulty?

While it's not mandatory to replace all ignition coils when one is faulty, it's generally recommended to inspect and potentially replace all coils if they are of similar age and mileage to prevent future issues.

8. Can a DIY enthusiast fix a P0355 error in a Toyota Camry?

Depending on your skill level and access to tools, a DIY enthusiast may be able to diagnose and fix a P0355 error by following repair guides and using the appropriate replacement parts.

9. How much does it typically cost to repair a P0355 error in a 2011 Toyota Camry?

The cost of repairing a P0355 error can vary depending on the cause of the issue, labor rates in your area, and whether you choose to do the repair yourself or take it to a professional mechanic. Costs may range from $100 to $300 or more.

10. Can a P0355 error in a Toyota Camry cause permanent damage if left unfixed?

Continued driving with a P0355 error can potentially cause damage to other engine components over time, leading to more costly repairs. It's advisable to address the issue promptly to prevent further damage.

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