AutoCodes – GMC – P0352 2016 GMC Sierra

P0352 2016 GMC Sierra 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 2016 GMC Sierra 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 217

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 25, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0352 2016 GMC Sierra 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 2016 GMC Sierra - Ignition Coil 2 Control Circuit - AutoCodes.com — P0352 2016 GMC Sierra Code - Ignition Coil 2 Control Circuit

What does this mean?

What are the Possible Causes of the DTC P0352 2016 GMC Sierra?

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 2016 GMC Sierra?

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 2016 GMC Sierra 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 2016 GMC Sierra code?

Need more information on how to fix the P0352 2016 GMC Sierra code? Get Access to Factory Service Manuals

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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 2016 GMC Sierra Code

1. What does OBDII code P0352 on a 2016 GMC Sierra indicate?

The P0352 code specifically relates to a problem with the ignition coil 2 control circuit in the vehicle's engine.

2. What are the common symptoms of a P0352 error code in a 2016 GMC Sierra?

Common symptoms include engine misfires, rough idling, poor acceleration, and in some cases, the Check Engine light may illuminate.

3. What are the possible causes of the P0352 code in a 2016 GMC Sierra?

The code can be triggered by issues such as a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, or problems with the Engine Control Module (ECM).

4. How can I diagnose the cause of the P0352 code in my 2016 GMC Sierra?

Using a diagnostic scanner, you can check for specific details like freeze frame data to pinpoint the issue. Additionally, performing a visual inspection of the ignition coil and its surrounding components can help identify potential problems.

5. Can I still drive my 2016 GMC Sierra with an active P0352 code?

It is not recommended to drive the vehicle with an active P0352 code, as it can lead to more severe engine issues if left unresolved. It is advisable to address the problem promptly.

6. How much does it cost to repair a P0352 code in a 2016 GMC Sierra?

The cost of repair can vary depending on the root cause of the issue. It may range from a simple fix like replacing a faulty ignition coil to more extensive repairs involving wiring or ECM replacement.

7. Can I fix the P0352 code in my 2016 GMC Sierra myself?

If you have the necessary tools and automotive knowledge, you may be able to address the issue yourself. However, it's recommended to consult a professional mechanic for an accurate diagnosis and proper repair.

8. Are there any preventive measures to avoid the P0352 code in a 2016 GMC Sierra?

Regular maintenance, such as inspecting and replacing ignition components at recommended intervals, can help prevent issues like the P0352 code from occurring.

9. Will resetting the OBDII system clear the P0352 code in my 2016 GMC Sierra?

While resetting the system may temporarily clear the code, it will reappear if the underlying issue is not addressed. It's crucial to diagnose and fix the root cause of the problem.

10. How long does it typically take to repair a P0352 code in a 2016 GMC Sierra?

The repair time can vary based on the cause of the issue and the complexity of the repair. Simple fixes like replacing an ignition coil may take less time, while more intricate problems could require longer repair times.