P0351 2015 GMC Sierra Code - Ignition Coil 1 Control Circuit
Quick Answer
The diagnostic trouble code P0351 for a 2015 GMC Sierra indicates a problem with the ignition coil 1 control circuit. Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, Malfunctioning 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 2015 GMC Sierra indicates Ignition Coil 1 Control Circuit.
- Common causes
- Common causes include Faulty ignition coil, Damaged wiring or connectors in the ignition coil circuit, Malfunctioning 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 2015 GMC Sierra Description
The diagnostic trouble code P0351 for a 2015 GMC Sierra indicates a problem with the ignition coil 1 control circuit. The ignition coil is a crucial component of the ignition system, responsible for converting the low voltage from the battery into the high voltage needed to create a spark in the spark plugs. Ignition coil 1 refers to the specific coil assigned to the first cylinder in the firing order of the engine.
Common Causes of P0351 2015 GMC Sierra
- Faulty ignition coil
- Damaged wiring or connectors in the ignition coil circuit
- Malfunctioning ECM
- Issues with the power supply to the ignition coil
- Environmental factors such as moisture or corrosion
Symptoms of P0351 2015 GMC Sierra
- Engine misfires
- Rough idling or stalling
- Decreased fuel efficiency
- Illuminated check engine light
- Lack of power or acceleration
How to Fix P0351 2015 GMC Sierra
- Begin by diagnosing the specific cause of the issue using a diagnostic scanner to confirm the P0351 code.
- Inspect the ignition coil, wiring, and connectors for any visible damage or wear.
- Test the power supply to the ignition coil to ensure it is functioning correctly.
- Replace the faulty ignition coil if necessary, ensuring proper installation and connection.
- Clear the trouble code from the ECM and test the vehicle to confirm that the issue has been resolved.
Cost to Fix P0351 2015 GMC Sierra
The typical repair costs for addressing the P0351 code on a 2015 GMC Sierra can vary depending on the specific cause of the issue and the cost of parts and labor. In general, replacing an ignition coil can range from $100 to $300, with additional costs for diagnostic testing, labor, and any other necessary repairs. The total cost could range from $150 to $500 or more, depending on the extent of the issue and the rates charged by the auto repair shop. It's recommended to consult with a professional mechanic for a more accurate estimate based on your vehicle's specific needs. Keep in mind that labor rates can vary between different locations and types of repair facilities.
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