P0351 2016 GMC Sierra Code - Ignition Coil 1 Control Circuit
Quick Answer
The diagnostic trouble code P0351 for a 2016 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, 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 2016 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, 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 2016 GMC Sierra Description
The diagnostic trouble code P0351 for a 2016 GMC Sierra 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 fuel-air mixture in the engine cylinders. Ignition coil 1 refers to the specific coil associated with the first cylinder in the firing order.
Common Causes of P0351 2016 GMC Sierra
- Faulty ignition coil
- Damaged wiring or connectors in the ignition coil circuit
- Issues with the Engine Control Module (ECM)
- Failed spark plug
- Corrosion or moisture in the ignition system components
Symptoms of P0351 2016 GMC Sierra
- Engine misfires
- Rough idling
- Decreased fuel efficiency
- Difficulty starting the engine
- Illumination of the Check Engine Light
How to Fix P0351 2016 GMC Sierra
- 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 associated with the ignition coil for any damage or corrosion. Repair or replace as necessary.
- Test the ignition coil for proper functioning using a multimeter. Replace the ignition coil if it is found to be faulty.
- Check the spark plug for signs of wear or damage. Replace if needed.
- Clear the diagnostic trouble codes from the ECM and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P0351 2016 GMC Sierra
The typical repair costs for addressing a P0351 code on a 2016 GMC Sierra can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It is important to note that diagnosis time and labor rates at auto repair shops can vary, so it is advisable to check with local shops for a more accurate estimate. Additionally, factors such as location, vehicle make and model, and engine type can also impact the overall cost of the repair.
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