AutoCodes – Toyota – P0355 2005 Toyota Highlander

P0355 2005 Toyota Highlander Code - Ignition Coil 5 Primary/Secondary Circuit

Quick Answer

The ignition system on the vehicle uses individual ignition coils for each cylinder. Common causes include Faulty Ignition Coil 5, Ignition Coil 5 harness is open or shorted, Ignition Coil 5 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: P0355 2005 Toyota Highlander indicates Ignition Coil 5 Primary/Secondary Circuit.
Common causes: Common causes include Faulty Ignition Coil 5, Ignition Coil 5 harness is open or shorted, Ignition Coil 5 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 2,902

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 P0355 2005 Toyota Highlander 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 P0355 2005 Toyota Highlander - Ignition Coil 5 Primary/Secondary Circuit - AutoCodes.com — P0355 2005 Toyota Highlander Code - Ignition Coil 5 Primary/Secondary Circuit

What does this mean?

What are the Possible Causes of the DTC P0355 2005 Toyota Highlander?

Faulty Ignition Coil 5
Ignition Coil 5 harness is open or shorted
Ignition Coil 5 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0355 2005 Toyota Highlander?

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 P0355 2005 Toyota Highlander 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 P0355 2005 Toyota Highlander code?

Need more information on how to fix the P0355 2005 Toyota Highlander code? Get Access to Factory Service Manuals

Need Help with the 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 P0355 2005 Toyota Highlander Code

1. What does the OBDII code P0355 for a 2005 Toyota Highlander mean?

The P0355 code indicates a problem with the ignition coil 5 primary/secondary circuit in the vehicle's engine.

2. What are the common symptoms of a P0355 code in a Toyota Highlander?

Common symptoms include engine misfires, rough idling, loss of power, and difficulty starting the vehicle.

3. What are the possible causes of a P0355 code in a 2005 Toyota Highlander?

Potential causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or a problem with the engine control module (ECM).

4. How can I diagnose the issue causing the P0355 code in my Toyota Highlander?

Diagnosing the problem may involve visually inspecting the ignition coil and its connections, testing the coil for proper resistance, and using a scan tool to check for other related codes.

5. Can I continue driving my Toyota Highlander with a P0355 code?

It is not recommended to drive the vehicle with a P0355 code, as it can lead to further damage to the engine and potentially unsafe driving conditions.

6. How can I repair a P0355 code on my 2005 Toyota Highlander?

Repairing a P0355 code may involve replacing the faulty ignition coil, repairing or replacing damaged wiring or connectors, and clearing the code with a scan tool.

7. Are there any preventive measures to avoid a P0355 code in my Toyota Highlander?

Routine maintenance, such as regular inspection of ignition system components and prompt replacement of worn-out parts, can help prevent issues that may trigger a P0355 code.

8. Can a DIY enthusiast fix a P0355 code in a Toyota Highlander?

While some experienced DIY enthusiasts may be able to diagnose and repair a P0355 code, it is recommended to seek professional help for accurate diagnosis and proper repair.

9. How much does it typically cost to repair a P0355 code in a 2005 Toyota Highlander?

The cost of repairing a P0355 code can vary depending on the exact cause of the issue, but it may range from around $100 to $300 for parts and labor.

10. How long does it take to fix a P0355 code in a Toyota Highlander?

The repair time for a P0355 code can vary based on the extent of the issue and the availability of parts, but it may take anywhere from 1 to 3 hours to complete the repair.