Engine-CodesGMC – P0352 2017 GMC Sierra

P0352 2017 GMC Sierra Code - Ignition Coil 2 Control Circuit

Quick Answer

The P0352 code for a 2017 GMC Sierra specifically refers to an issue with the ignition coil 2 control circuit. Common causes include Faulty ignition coil 2, Wiring issues in the control circuit, PCM malfunction. 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 2017 GMC Sierra indicates Ignition Coil 2 Control Circuit.
Common causes
Common causes include Faulty ignition coil 2, Wiring issues in the control circuit, PCM malfunction.
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.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P0352 2017 GMC Sierra Description

The P0352 code for a 2017 GMC Sierra specifically refers to an issue with the ignition coil 2 control circuit. The ignition coil is a crucial component in the vehicle's ignition system, responsible for converting low voltage power from the battery into the high voltage needed to ignite the fuel-air mixture in the engine's cylinders. Ignition coil 2 is one of several coils in the system, each corresponding to a specific cylinder.

OBDII Code P0352 2017 GMC Sierra - Ignition Coil 2 Control Circuit
P0352 2017 GMC Sierra Code - Ignition Coil 2 Control Circuit

Common Causes of P0352 2017 GMC Sierra

  1. Faulty ignition coil 2
  2. Wiring issues in the control circuit
  3. PCM malfunction
  4. Corrosion or loose connections in the circuit
  5. Environmental factors such as moisture or heat affecting the components

Symptoms of P0352 2017 GMC Sierra

  1. Engine misfires
  2. Rough idling
  3. Decreased fuel efficiency
  4. Difficulty starting the engine
  5. Stalling while driving

How to Fix P0352 2017 GMC Sierra

  1. Consult the vehicle's service manual to locate the ignition coil 2 and its control circuit.
  2. Inspect the wiring and connections for any signs of damage, corrosion, or loose connections.
  3. Test the ignition coil 2 with a multimeter to check for proper resistance.
  4. If the ignition coil is faulty, replace it with a new one.
  5. Clear the error code and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0352 2017 GMC Sierra

The typical repair cost for addressing a P0352 code in a 2017 GMC Sierra can range from $100 to $300, depending on the specific cause of the issue and the price of parts. This estimate includes the cost of a new ignition coil if needed, as well as labor charges for diagnosis and repair. Keep in mind that labor rates at auto repair shops can vary, so it's advisable to obtain a few quotes from different shops in your area to compare prices.

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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 2017 GMC Sierra Code

1. What does the OBDII code P0352 mean on a 2017 GMC Sierra?

P0352 indicates a malfunction in the ignition coil 2 control circuit, meaning the Engine Control Module (ECM) has detected an issue with the coil's circuit or its operation.

2. What are the symptoms of code P0352 on a 2017 GMC Sierra?

Common symptoms include a check engine light, engine misfires, rough idling, reduced engine performance, and potentially poor fuel economy.

3. What causes code P0352 on a 2017 GMC Sierra?

Causes can include a faulty ignition coil 2, damaged wiring or connectors, a defective ECM, or issues with the spark plug connected to cylinder 2.

4. Can you drive a 2017 GMC Sierra with a P0352 code?

It’s not recommended, as driving with this code can lead to further engine damage, reduced performance, and increased fuel consumption.

5. How do you diagnose a P0352 code on a 2017 GMC Sierra?

Diagnosis involves inspecting ignition coil 2, checking the wiring and connectors for damage or corrosion, and testing the ECM and spark plug for proper operation.

6. How do you fix a P0352 code on a 2017 GMC Sierra?

Fixes may include replacing the faulty ignition coil 2, repairing or replacing damaged wiring, cleaning or replacing corroded connectors, or replacing the spark plug.

7. How much does it cost to repair a P0352 code on a 2017 GMC Sierra?

Repair costs vary but typically range from $100 to $300, depending on whether you need a new ignition coil, spark plug, or wiring repair.

8. Can a bad spark plug cause a P0352 code on a 2017 GMC Sierra?

Yes, a bad spark plug in cylinder 2 can cause the ignition coil to misfire and trigger the P0352 code.

9. What tools are needed to fix a P0352 code on a 2017 GMC Sierra?

Basic tools include an OBDII scanner, multimeter, spark plug socket, and possibly a wiring repair kit.

10. Will clearing the P0352 code fix the issue on a 2017 GMC Sierra?

Clearing the code may turn off the check engine light temporarily, but the underlying issue must be resolved to prevent the code from returning.

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