P06C9 2017 GMC Sierra Code - Cylinder 5 Glow Plug Incorrect
Quick Answer
The P06C9 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the glow plug in cylinder 5. Common causes include Faulty glow plug in cylinder 5, Wiring or connection issues related to the glow plug, Faulty 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
- P06C9 2017 GMC Sierra indicates Cylinder 5 Glow Plug Incorrect.
- Common causes
- Common causes include Faulty glow plug in cylinder 5, Wiring or connection issues related to the glow plug, Faulty 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 P06C9 2017 GMC Sierra Description
The P06C9 diagnostic trouble code (DTC) for a 2017 GMC Sierra indicates a problem with the glow plug in cylinder 5. Glow plugs are used in diesel engines to assist with cold starting by heating the combustion chamber before ignition. When the glow plug in cylinder 5 is malfunctioning or not functioning correctly, it can lead to issues with starting the engine, reduced fuel efficiency, and potential damage to the engine over time.
Common Causes of P06C9 2017 GMC Sierra
- Faulty glow plug in cylinder 5
- Wiring or connection issues related to the glow plug
- Faulty glow plug control module
- Engine control module (ECM) issues
- Diesel fuel quality issues
Symptoms of P06C9 2017 GMC Sierra
- Difficulty starting the engine, especially in cold weather
- Rough idling or misfiring
- Decreased fuel efficiency
- Illumination of the check engine light
- Engine hesitation or lack of power
How to Fix P06C9 2017 GMC Sierra
- Perform a diagnostic scan to confirm the specific cylinder 5 glow plug issue.
- Inspect and test the glow plug in cylinder 5 for proper operation.
- Check the wiring and connections to the glow plug for any damage or corrosion.
- Replace the faulty glow plug in cylinder 5 if necessary.
- Clear the DTC and test the vehicle to ensure the issue has been resolved.
Cost to Fix P06C9 2017 GMC Sierra
The cost of repairing a cylinder 5 glow plug issue in a 2017 GMC Sierra can vary depending on the exact cause of the problem and the cost of parts and labor in your area. Generally, replacing a glow plug can cost between $50 and $150 per plug, plus the cost of labor which can range from $100 to $200. The total repair cost could be anywhere from $200 to $600, including diagnostic fees and any additional parts or labor required. It's recommended to get quotes from local auto repair shops to get a more accurate estimate for your specific situation.
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