AutoCodes – Pontiac – P0352 Pontiac

P0352 Pontiac 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 Pontiac 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 4,060

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 16, 2022

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

What does this mean?

What are the Possible Causes of the DTC P0352 Pontiac?

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 Pontiac?

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 Pontiac 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.

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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 Pontiac Code

1. What does the OBDII code P0352 mean on a Pontiac?

P0352 indicates a malfunction in the ignition coil 2 control circuit, meaning the engine control module (ECM) has detected a fault with the second ignition coil or its related wiring.

2. What are the common symptoms of code P0352?

Common symptoms include engine misfires, poor acceleration, rough idling, reduced fuel efficiency, and the Check Engine Light being illuminated.

3. What causes the P0352 code to be triggered?

The code can be caused by a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, a malfunctioning ECM, or issues with the spark plugs.

4. How do I diagnose the P0352 code on my Pontiac?

Start by inspecting the ignition coil 2, checking for damaged wiring or corroded connectors. Use a multimeter to test the coilâ€™s resistance and verify the circuit's integrity. Scan for additional codes that may indicate related issues.

5. Can I drive my Pontiac with a P0352 code?

While driving with a P0352 code is possible, itâ€™s not recommended as it can cause further damage to the engine, reduce performance, and potentially damage the catalytic converter.

6. How do you fix the P0352 code on a Pontiac?

Repairs may include replacing the ignition coil 2, repairing or replacing damaged wiring or connectors, replacing spark plugs, or reprogramming or replacing the ECM if necessary.

7. What tools are needed to fix the P0352 code?

Common tools include an OBDII scanner, a multimeter for testing electrical circuits, and basic hand tools like screwdrivers and sockets for replacing components.

8. How much does it cost to fix the P0352 code?

Repair costs vary but typically range from $50-$150 for an ignition coil replacement, plus labor. Wiring repairs or ECM replacement may increase the cost.

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

Yes, a faulty or worn spark plug can cause the ignition coil to malfunction, leading to the P0352 code being triggered.

10. How can I prevent the P0352 code from recurring?

Regular maintenance, including timely replacement of spark plugs and ignition coils, keeping wiring and connectors in good condition, and addressing engine issues promptly, can help prevent this code.