P067C 2014 GMC Sierra Code - Cylinder 5 Glow Plug Control Circuit Low Voltage
Quick Answer
The diagnostic trouble code P067C for a 2014 GMC Sierra indicates an issue with the Cylinder 5 Glow Plug Control Circuit experiencing low voltage. Common causes include Faulty glow plug in Cylinder 5, Wiring issues or a short circuit in the glow plug control 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
- P067C 2014 GMC Sierra indicates Cylinder 5 Glow Plug Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty glow plug in Cylinder 5, Wiring issues or a short circuit in the glow plug control 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 P067C 2014 GMC Sierra Description
The diagnostic trouble code P067C for a 2014 GMC Sierra indicates an issue with the Cylinder 5 Glow Plug Control Circuit experiencing low voltage. Glow plugs are essential components in diesel engines, as they heat the combustion chamber to facilitate cold starts. When the glow plug control circuit in Cylinder 5 is not receiving sufficient voltage, it can lead to difficulties starting the engine, reduced fuel efficiency, and potential engine misfires.
Common Causes of P067C 2014 GMC Sierra
- Faulty glow plug in Cylinder 5.
- Wiring issues or a short circuit in the glow plug control circuit.
- Malfunctioning glow plug control module.
- Corrosion or poor connections in the electrical system.
- Issues with the engine's computer or sensors related to the glow plug system.
Symptoms of P067C 2014 GMC Sierra
- Difficulty starting the engine, especially in cold weather.
- Rough idling or misfires when the engine is running.
- Reduced fuel efficiency.
- Illumination of the check engine light on the dashboard.
- Engine performance issues, such as lack of power or acceleration.
How to Fix P067C 2014 GMC Sierra
- Begin by diagnosing the specific cause of the low voltage in the Cylinder 5 glow plug control circuit using a diagnostic scanner.
- Inspect the glow plug in Cylinder 5 to determine if it is faulty and needs replacement.
- Check the wiring and connections in the glow plug control circuit for any signs of damage or corrosion.
- Test the glow plug control module to ensure it is functioning correctly or replace it if necessary.
- Clear the diagnostic trouble code from the vehicle's computer after completing the repairs and test the vehicle to ensure the issue has been resolved.
Cost to Fix P067C 2014 GMC Sierra
The cost of repairing a Cylinder 5 Glow Plug Control Circuit Low Voltage issue in a 2014 GMC Sierra can vary depending on the specific cause of the problem. On average, the cost of replacing a glow plug can range from $50 to $150 per plug, while the cost of a glow plug control module can range from $100 to $300. Labor costs at auto repair shops typically range from $80 to $150 per hour. Overall, the total repair cost for this issue could range from $200 to $600, including parts and labor. It's recommended to consult with a professional mechanic to get an accurate estimate based on the specific diagnosis and repair needed for your vehicle.
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