AutoCodes – Generic – P0352

P0352 Code - Ignition Coil 2 Control Circuit

Quick Answer

The ignition system on this engine uses ignition coils with integrated power transistors. 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 indicates Ignition Coil 2 Control 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 54,926
How popular is this code, among other codes? Medium
Table of contents Created and updated by William Orellana on Jun 16, 2022
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Code P0352 Description

The ignition system on this engine uses ignition coils with integrated power transistors. The Engine Control Module (ECM) controls the spark event for each cylinder through individual ignition coil control circuits. When the ECM commands the ignition control circuit On, electrical current flows through the primary winding of the ignition coil, creating a magnetic field. When a spark event is requested, the ECM commands the ignition control circuit Off, interrupting current flow through the primary winding. The collapsing magnetic field created by the primary winding induces a high voltage in the secondary winding, which is connected to the spark plugs. The Diagnostic Trouble Code (DTC) will be set when the control circuit commanded by the ECM state does not match the actual state.
OBDII Code P0352 - Ignition Coil 2 Control Circuit - AutoCodes.com
P0352 Code - Ignition Coil 2 Control Circuit

What are the Possible Causes of the DTC P0352?

  • 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?

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 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 code?

Need more information on how to fix the P0352 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0352 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

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 Code

1. What are the common symptoms of OBDII code P0352 (Ignition Coil 2 Control Circuit)?

- Common symptoms include engine misfires, rough idle, lack of power, and illuminated check engine light.

2. What can cause OBDII code P0352 to trigger?

- The code P0352 is typically triggered by a faulty ignition coil, damaged wiring or connectors, or a problem with the engine control module (ECM).

3. How can I diagnose the cause of OBDII code P0352?

- You can diagnose the issue by checking the ignition coil, inspecting the wiring and connectors for damage, and using a scan tool to assess the ECM's functionality.

4. Can a faulty spark plug lead to OBDII code P0352?

- Yes, a faulty spark plug can cause the ignition coil to malfunction, triggering the code P0352. It's recommended to inspect and replace spark plugs if needed.

5. Is it safe to drive with OBDII code P0352 present?

- It is not ideal to drive with OBDII code P0352 active, as it can lead to performance issues and potential damage to the catalytic converter. It's best to address the issue promptly.

6. How can I repair OBDII code P0352?

- To repair P0352, you may need to replace the faulty ignition coil, repair any damaged wiring or connectors, and reset the ECM to clear the code.

7. Are there any preventive measures to avoid OBDII code P0352 in the future?

- Regular maintenance, such as inspecting and replacing ignition components as needed, can help prevent the recurrence of OBDII code P0352.

8. Can a DIY enthusiast fix OBDII code P0352 at home?

- Depending on your skill level and access to tools, you may be able to address OBDII code P0352 at home by following repair guides or seeking assistance from online forums.

9. Will resetting the check engine light resolve OBDII code P0352?

- Simply resetting the check engine light will not fix the underlying issue causing OBDII code P0352. It's important to diagnose and repair the root cause to prevent the code from returning.

10. How long does it typically take to repair OBDII code P0352?

- The repair time for OBDII code P0352 can vary depending on the exact cause of the issue and the availability of parts. It may take anywhere from 30 minutes to a few hours to complete the repair.

Discuss the causes and fixes for P0352 OBDII Code

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