P067F 2017 GMC Sierra Code - Cylinder 6 Glow Plug Control Circuit High Voltage
Quick Answer
The diagnostic trouble code P067F for a 2017 GMC Sierra indicates an issue with the Cylinder 6 Glow Plug Control Circuit High Voltage. Common causes include Faulty glow plug in cylinder 6, Damaged wiring or connectors 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
- P067F 2017 GMC Sierra indicates Cylinder 6 Glow Plug Control Circuit High Voltage.
- Common causes
- Common causes include Faulty glow plug in cylinder 6, Damaged wiring or connectors 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 P067F 2017 GMC Sierra Description
The diagnostic trouble code P067F for a 2017 GMC Sierra indicates an issue with the Cylinder 6 Glow Plug Control Circuit High Voltage. Glow plugs are essential components in diesel engines, as they help heat the combustion chamber for easier starting in cold conditions. When the engine control module (ECM) detects high voltage in the control circuit of the glow plug for cylinder 6, it triggers this code.
Common Causes of P067F 2017 GMC Sierra
- Faulty glow plug in cylinder 6.
- Damaged wiring or connectors in the glow plug control circuit.
- Malfunctioning glow plug control module.
- Issues with the engine control module (ECM).
- Corrosion or poor connections in the circuit.
Symptoms of P067F 2017 GMC Sierra
- Difficulty starting the engine, especially in cold weather.
- Rough idling or misfiring.
- Decreased fuel efficiency.
- Illumination of the check engine light.
- Increased exhaust emissions.
How to Fix P067F 2017 GMC Sierra
- Begin by diagnosing the specific cause of the high voltage in the Cylinder 6 Glow Plug Control Circuit. This may involve testing the glow plug, checking wiring for damage, and inspecting the control module and ECM.
- If a faulty glow plug is identified, replace the glow plug in cylinder 6 with a new, compatible part.
- Repair or replace any damaged wiring or connectors in the glow plug control circuit.
- If the glow plug control module or ECM is found to be faulty, replace the defective component with a new one.
- Clear the diagnostic trouble codes from the ECM and test the vehicle to ensure the issue has been resolved.
Cost to Fix P067F 2017 GMC Sierra
The typical repair costs for addressing the Cylinder 6 Glow Plug Control Circuit High Voltage code can vary depending on the specific cause of the issue and the cost of parts and labor. Generally, replacing a single glow plug can cost between $50 and $150, while replacing a control module or ECM can range from $200 to $500 or more. Labor costs can add an additional $100 to $300, depending on the shop's hourly rates and the complexity of the repair. It's advisable to consult with a trusted mechanic or repair shop for a more accurate estimate based on the specific circumstances of your vehicle.
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