P067C Code - Cylinder 5 Glow Plug Control Circuit Low Voltage
Quick Answer
The diagnostic trouble code P067C indicates an issue with the glow plug control circuit in cylinder 5 of the vehicle's engine. Common causes include Faulty glow plug in cylinder 5, Wiring issues or damaged wiring harness 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 indicates Cylinder 5 Glow Plug Control Circuit Low Voltage.
- Common causes
- Common causes include Faulty glow plug in cylinder 5, Wiring issues or damaged wiring harness 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 Description
The diagnostic trouble code P067C indicates an issue with the glow plug control circuit in cylinder 5 of the vehicle's engine. Glow plugs are essential components in diesel engines that help warm up the combustion chamber for easier starting, especially in cold weather conditions. The control circuit is responsible for regulating the power supply to the glow plug, ensuring it heats up properly before starting the engine.
Common Causes of P067C
- Faulty glow plug in cylinder 5.
- Wiring issues or damaged wiring harness in the glow plug control circuit.
- Malfunctioning glow plug control module.
- Corrosion or poor connections in the electrical system.
- Issues with the vehicle's battery or charging system affecting voltage supply.
Symptoms of P067C
- Difficulty starting the engine, especially in cold weather.
- Rough idling or engine misfires.
- Decreased fuel efficiency.
- Increased emissions.
- Illumination of the check engine light on the dashboard.
How to Fix P067C
- Begin by conducting a visual inspection of the glow plug in cylinder 5 and the surrounding wiring harness for any visible damage or corrosion.
- Test the glow plug using a multimeter to check for continuity and proper resistance. Replace the glow plug if it is faulty.
- Inspect the wiring harness for any breaks, fraying, or loose connections. Repair or replace any damaged wiring as needed.
- Test the glow plug control module for proper functionality and replace it if necessary.
- Clear the diagnostic trouble code from the vehicle's computer using an OBD-II scanner and verify that the issue has been resolved by starting the engine and checking for proper glow plug operation.
Cost to Fix P067C
The typical repair costs for addressing a cylinder 5 glow plug control circuit low voltage issue can vary depending on the specific cause of the problem and the vehicle's make and model. In general, replacing a glow plug can cost between $50 and $150, while replacing a glow plug control module can range from $100 to $300. Labor costs at auto repair shops typically range between $80 and $150 per hour. It's advisable to consult with a professional mechanic to get an accurate estimate based on your vehicle's specific needs and location.
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Code P067C Information for Specific Makes
- P067C Chevrolet — Cylinder 5 Glow Plug Control Circuit Low Voltage
- P067C Ford — Cylinder 5 Glow Plug Control Circuit Low
- P067C GMC — Cylinder 5 Glow Plug Control Circuit Low Voltage
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