P0671 2015 Chevrolet Silverado Code - Cylinder 1 Glow Plug Circuit Fault
Quick Answer
The diagnostic trouble code P0671 in a 2015 Chevrolet Silverado indicates a fault in the glow plug circuit of cylinder 1. Common causes include Faulty glow plug in cylinder 1, Damaged wiring or connectors in the glow plug circuit, Malfunctioning glow plug control module. 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
- P0671 2015 Chevrolet Silverado indicates Cylinder 1 Glow Plug Circuit Fault.
- Common causes
- Common causes include Faulty glow plug in cylinder 1, Damaged wiring or connectors in the glow plug circuit, Malfunctioning glow plug control module.
- 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 P0671 2015 Chevrolet Silverado Description
The diagnostic trouble code P0671 in a 2015 Chevrolet Silverado indicates a fault in the glow plug circuit of cylinder 1. Glow plugs are essential components in diesel engines, as they heat up the combustion chamber to facilitate cold starting. Cylinder 1 refers to the first cylinder in the engine firing order. When the engine is cold, the glow plug should heat up to ensure proper combustion and smooth starting.
Common Causes of P0671 2015 Chevrolet Silverado
- Faulty glow plug in cylinder 1.
- Damaged wiring or connectors in the glow plug circuit.
- Malfunctioning glow plug control module.
- Blown fuse related to the glow plug circuit.
- Corrosion or poor electrical connections in the glow plug system.
Symptoms of P0671 2015 Chevrolet Silverado
- Difficulty starting the vehicle, especially in cold weather.
- Rough idling or misfiring of the engine.
- Decreased fuel efficiency.
- Illumination of the check engine light.
- Increased emissions or black smoke from the exhaust.
How to Fix P0671 2015 Chevrolet Silverado
- Begin by diagnosing the specific cause of the glow plug circuit fault using a diagnostic scanner to pinpoint the exact issue.
- Inspect the glow plug in cylinder 1 to determine if it is functioning correctly. Replace the glow plug if it is faulty.
- Check the wiring and connectors in the glow plug circuit for any damage or corrosion. Repair or replace as necessary.
- Test the glow plug control module to ensure it is working properly. Replace if faulty.
- Reset the trouble codes and test the vehicle to verify that the issue has been resolved.
Cost to Fix P0671 2015 Chevrolet Silverado
The typical repair costs for a glow plug circuit fault in a 2015 Chevrolet Silverado can range from $100 to $300, depending on the specific cause of the issue and the cost of parts and labor. It is advisable to consult with a professional mechanic to get an accurate estimate based on the exact diagnosis and repair needed. Keep in mind that labor rates can vary based on location, vehicle make and model, and the complexity of the repair.
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Frequently Asked Questions about P0671 2015 Chevrolet Silverado Code
1. What does the OBDII code P0671 mean on a 2015 Chevrolet Silverado?
P0671 indicates a "Cylinder 1 Glow Plug Circuit Fault," meaning there is an issue with the glow plug or its circuit for cylinder 1.
2. What are common symptoms of code P0671 in a 2015 Chevrolet Silverado?
Symptoms may include difficulty starting the engine in cold weather, rough idling, reduced fuel efficiency, or an illuminated check engine light.
3. What causes code P0671 in a 2015 Chevrolet Silverado?
Common causes include a failed glow plug, damaged glow plug wiring, a faulty glow plug control module, or poor electrical connections.
4. How do you diagnose code P0671 on a 2015 Chevrolet Silverado?
Diagnosis typically involves inspecting the glow plug for cylinder 1, checking the wiring and connectors for damage, and testing the glow plug control module.
5. Can you drive with code P0671 on a 2015 Chevrolet Silverado?
While the vehicle may still be drivable, starting in cold weather will be difficult, and ignoring the issue could lead to further engine problems.
6. How do you fix code P0671 on a 2015 Chevrolet Silverado?
Repairs may include replacing the faulty glow plug, repairing damaged wiring, or replacing the glow plug control module if it's defective.
7. How much does it cost to repair code P0671 on a 2015 Chevrolet Silverado?
The cost can range from $50 to $150 for a glow plug replacement, but wiring or module repairs may increase the cost significantly.
8. What tools are needed to repair code P0671 on a 2015 Chevrolet Silverado?
You may need a multimeter to test electrical connections, basic hand tools for removing and replacing the glow plug, and possibly a diagnostic scan tool.
9. Can a bad glow plug cause other issues in a 2015 Chevrolet Silverado?
Yes, a bad glow plug can lead to hard starting, increased emissions, and potentially strain other components of the engine starting system.
10. How can you prevent code P0671 from occurring in a 2015 Chevrolet Silverado?
Regular maintenance, including inspecting the glow plugs and wiring for wear, can help prevent this code from appearing.
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