AutoCodes – Toyota – P0355 2007 Toyota Highlander

P0355 2007 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 2007 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 3,958

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 2007 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 2007 Toyota Highlander - Ignition Coil 5 Primary/Secondary Circuit - AutoCodes.com — P0355 2007 Toyota Highlander Code - Ignition Coil 5 Primary/Secondary Circuit

What does this mean?

What are the Possible Causes of the DTC P0355 2007 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 2007 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 2007 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 2007 Toyota Highlander code?

Need more information on how to fix the P0355 2007 Toyota Highlander code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0355 2007 Toyota Highlander 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 P0355 2007 Toyota Highlander Code

1. What does OBDII code P0355 mean for a 2007 Toyota Highlander?

- OBDII code P0355 on a 2007 Toyota Highlander indicates an issue with the ignition coil 5 primary/secondary circuit.

2. What are the common symptoms of a P0355 code in a 2007 Toyota Highlander?

- Common symptoms of a P0355 code may include engine misfires, rough idling, loss of power, and in some cases, the Check Engine light may illuminate.

3. What are the possible causes of the P0355 code in a 2007 Toyota Highlander?

- The P0355 code in a 2007 Toyota Highlander can be triggered by 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 the cause of a P0355 code in my 2007 Toyota Highlander?

- Diagnosing a P0355 code typically involves checking the ignition coil for damage, inspecting the wiring and connectors for any signs of wear or corrosion, and using a scan tool to analyze the ECM data.

5. Can I still drive my 2007 Toyota Highlander with a P0355 code?

- It is not recommended to drive your 2007 Toyota Highlander with a P0355 code, as it can lead to further damage to the engine and other components. It is best to address the issue promptly.

6. How can I repair a P0355 code in my 2007 Toyota Highlander?

- To repair a P0355 code, you may need to replace the faulty ignition coil, repair or replace damaged wiring or connectors, and reset the ECM to clear the code.

7. Are there any maintenance tips to prevent the recurrence of a P0355 code in my 2007 Toyota Highlander?

- Regularly inspecting and maintaining your ignition system, including the ignition coils, wiring, and connectors, can help prevent the recurrence of a P0355 code in your 2007 Toyota Highlander.

8. Can a DIY enthusiast fix a P0355 code in a 2007 Toyota Highlander?

- Depending on your skill level and experience, you may be able to address a P0355 code in your 2007 Toyota Highlander as a DIY project. However, it is recommended to consult a professional if you are unsure.

9. How much does it typically cost to repair a P0355 code in a 2007 Toyota Highlander?

- The cost of repairing a P0355 code in a 2007 Toyota Highlander can vary depending on the underlying cause, the cost of parts, and labor rates. It is advisable to obtain quotes from reputable mechanics or repair shops.

10. Will a P0355 code in a 2007 Toyota Highlander affect fuel efficiency?

- Yes, a P0355 code in a 2007 Toyota Highlander can impact fuel efficiency due to engine misfires and performance issues. Addressing the code promptly can help improve fuel efficiency.