AutoCodes – Toyota – P0352 2006 Toyota Highlander

P0352 2006 Toyota Highlander Code - Ignition Coil 2 Primary/Secondary Circuit

Quick Answer

The ignition system on the vehicle uses individual ignition coils for each cylinder. Common causes include Faulty Ignition Coil 2, Ignition Coil 2 harness is open or shorted, Ignition Coil 2 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: P0352 2006 Toyota Highlander indicates Ignition Coil 2 Primary/Secondary Circuit.
Common causes: Common causes include Faulty Ignition Coil 2, Ignition Coil 2 harness is open or shorted, Ignition Coil 2 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 4,748

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 Mar 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0352 2006 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 P0352 2006 Toyota Highlander - Ignition Coil 2 Primary/Secondary Circuit - AutoCodes.com — P0352 2006 Toyota Highlander Code - Ignition Coil 2 Primary/Secondary Circuit

What does this mean?

What are the Possible Causes of the DTC P0352 2006 Toyota Highlander?

Faulty Ignition Coil 2
Ignition Coil 2 harness is open or shorted
Ignition Coil 2 circuit poor electrical connection
Faulty Engine Control Module (ECM)

How to Fix the DTC P0352 2006 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 P0352 2006 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 P0352 2006 Toyota Highlander code?

Need more information on how to fix the P0352 2006 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 P0352 2006 Toyota Highlander Code

1. What does OBDII code P0352 mean on a 2006 Toyota Highlander?

P0352 indicates an issue with the ignition coil circuit for cylinder 2, specifically in the primary or secondary circuit.

2. What are the common symptoms of code P0352 in a 2006 Toyota Highlander?

Symptoms may include engine misfires, rough idling, reduced power, poor fuel economy, and the Check Engine Light turning on.

3. What causes the P0352 code to appear?

Common causes include a faulty ignition coil, damaged wiring or connectors in the circuit, a bad spark plug, or a malfunctioning powertrain control module (PCM).

4. Can I drive my 2006 Toyota Highlander with a P0352 code?

Driving with this code can damage the catalytic converter and reduce vehicle performance. Itâ€™s best to address the issue promptly.

5. How do I diagnose the P0352 code on a 2006 Toyota Highlander?

Start by inspecting the ignition coil, wiring, and connectors for damage. Use a multimeter to test the coilâ€™s resistance and verify continuity in the circuit. A scan tool can help monitor live data.

6. How can I fix the P0352 code on my 2006 Toyota Highlander?

Repairs may involve replacing the ignition coil, repairing or replacing damaged wiring, cleaning or replacing the spark plug, or reprogramming the PCM if necessary.

7. How much does it cost to fix a P0352 code on a 2006 Toyota Highlander?

Costs vary but typically range from $100 to $300 for parts and labor, depending on whether the ignition coil or wiring needs replacement.

8. Can a bad spark plug cause the P0352 code?

Yes, a faulty or worn spark plug in cylinder 2 can cause the ignition coil to malfunction, triggering the P0352 code.

9. Will clearing the P0352 code fix the problem?

Clearing the code will reset the Check Engine Light, but the underlying issue must be fixed to prevent the code from returning.

10. How can I prevent the P0352 code from recurring in my 2006 Toyota Highlander?

Regular maintenance, such as replacing spark plugs and ignition coils at recommended intervals, and inspecting wiring for wear, can help prevent this code.