P0351 2017 Chevrolet Silverado Code - Ignition Coil 1 Control Circuit
Quick Answer
The P0351 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates a problem with the Ignition Coil 1 Control Circuit. Common causes include Faulty ignition coil in cylinder 1, Damaged or corroded wiring/connectors in the ignition coil circuit, Issues with the Engine Control Module (ECM). 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
- P0351 2017 Chevrolet Silverado indicates Ignition Coil 1 Control Circuit.
- Common causes
- Common causes include Faulty ignition coil in cylinder 1, Damaged or corroded wiring/connectors in the ignition coil circuit, Issues with the Engine Control Module (ECM).
- 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 P0351 2017 Chevrolet Silverado Description
The P0351 diagnostic trouble code (DTC) for a 2017 Chevrolet Silverado indicates a problem with the Ignition Coil 1 Control Circuit. The ignition coil is a crucial component in the vehicle's ignition system, responsible for converting the low voltage from the battery into the high voltage needed to ignite the air-fuel mixture in the engine cylinders. In this case, the control circuit for the ignition coil in cylinder 1 is experiencing an issue, which can lead to misfires, rough idling, and overall poor engine performance.
Common Causes of P0351 2017 Chevrolet Silverado
- Faulty ignition coil in cylinder 1
- Damaged or corroded wiring/connectors in the ignition coil circuit
- Issues with the Engine Control Module (ECM)
- Poor electrical connection to the ignition coil
- Environmental factors such as moisture or heat affecting the ignition coil
Symptoms of P0351 2017 Chevrolet Silverado
- Engine misfires or rough idling
- Decreased fuel efficiency
- Loss of power during acceleration
- Illumination of the check engine light
- Engine stalling or difficulty starting
How to Fix P0351 2017 Chevrolet Silverado
- Begin by diagnosing the specific cause of the issue using a scan tool to pinpoint the exact problem within the Ignition Coil 1 Control Circuit.
- Inspect the wiring and connectors for any damage, corrosion, or loose connections. Repair or replace as necessary.
- Test the ignition coil in cylinder 1 to determine if it is functioning properly. Replace the ignition coil if it is found to be faulty.
- Clear the DTC and reset the ECM to see if the issue is resolved. Test drive the vehicle to ensure that the symptoms have been eliminated.
- If the problem persists, further diagnostic testing may be required to identify any underlying issues with the ECM or other related components.
Cost to Fix P0351 2017 Chevrolet Silverado
The typical repair costs for addressing the P0351 code on a 2017 Chevrolet Silverado can vary depending on the specific cause of the issue. In general, replacing an ignition coil can cost between $100 and $300, including parts and labor. However, if additional components need to be replaced or if extensive diagnostic testing is required, the total repair cost could be higher.
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Frequently Asked Questions about P0351 2017 Chevrolet Silverado Code
1. What does the OBDII code P0351 mean on a 2017 Chevrolet Silverado?
P0351 indicates an issue with the ignition coil "A" primary or secondary control circuit, usually related to cylinder 1.
2. What are the symptoms of code P0351 on a 2017 Chevrolet Silverado?
Common symptoms include engine misfires, rough idling, reduced power, poor fuel economy, and the check engine light being illuminated.
3. What causes the P0351 code to appear in a Chevrolet Silverado?
Possible causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, a defective spark plug, or an issue with the Powertrain Control Module (PCM).
4. Can I drive my 2017 Chevrolet Silverado with a P0351 code?
Driving with a P0351 code is not recommended as it can lead to further engine damage, reduced performance, and increased emissions.
5. How do I diagnose code P0351 on my Chevrolet Silverado?
Start by checking the ignition coil, wiring, and connectors for damage or corrosion. Use a multimeter to test the coil's resistance and verify proper voltage supply.
6. How do I fix the P0351 code on a 2017 Chevrolet Silverado?
Repairs may include replacing the faulty ignition coil, repairing damaged wiring or connectors, replacing the spark plug, or reprogramming or replacing the PCM if necessary.
7. How much does it cost to fix a P0351 code on a Chevrolet Silverado?
Repair costs can range from $50 to $150 for a new ignition coil, plus labor. Additional costs may apply if wiring repairs or PCM replacement are needed.
8. Can a bad spark plug cause the P0351 code in my Silverado?
Yes, a worn or faulty spark plug can cause excessive resistance, leading to ignition coil circuit issues and triggering the P0351 code.
9. Do I need to replace all ignition coils if I have a P0351 code?
Not necessarily. If only the coil on cylinder 1 is faulty, you can replace just that coil. However, if others show signs of wear, it might be wise to replace them as well.
10. Will clearing the P0351 code fix the problem on my 2017 Silverado?
Clearing the code without addressing the root cause will not fix the problem, and the code will likely return. Proper diagnosis and repair are necessary.
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