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P067C Chevrolet Code - Cylinder 5 Glow Plug Control Circuit Low Voltage

Quick Answer

The P067C diagnostic trouble code (DTC) for Chevrolet vehicles specifically indicates an issue with the glow plug control circuit in cylinder 5. Common causes include Faulty glow plug in cylinder 5, Malfunctioning glow plug control module, Wiring or connection issues in the glow plug control circuit. 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 Chevrolet indicates Cylinder 5 Glow Plug Control Circuit Low Voltage.
Common causes
Common causes include Faulty glow plug in cylinder 5, Malfunctioning glow plug control module, Wiring or connection issues in the glow plug control circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code P067C Chevrolet Description

The P067C diagnostic trouble code (DTC) for Chevrolet vehicles specifically indicates an issue with the glow plug control circuit in cylinder 5. Glow plugs are essential components in diesel engines, as they heat up the combustion chamber to facilitate cold starts. When the engine is cold, the glow plug control module sends a signal to the glow plugs to heat up, ensuring proper ignition of the fuel-air mixture. In this case, the low voltage in the cylinder 5 glow plug control circuit suggests that there is insufficient power reaching the glow plug in that cylinder.

OBDII Code P067C Chevrolet - Cylinder 5 Glow Plug Control Circuit Low Voltage
P067C Chevrolet Code - Cylinder 5 Glow Plug Control Circuit Low Voltage

Common Causes of P067C Chevrolet

  1. Faulty glow plug in cylinder 5.
  2. Malfunctioning glow plug control module.
  3. Wiring or connection issues in the glow plug control circuit.
  4. Poor power supply to the glow plug.

Symptoms of P067C Chevrolet

  1. Difficulty starting the engine, especially in cold weather.
  2. Rough idling or misfiring upon startup.
  3. Decreased fuel efficiency.
  4. Increased emissions.
  5. Engine hesitation or lack of power during acceleration.

How to Fix P067C Chevrolet

  1. Begin by diagnosing the specific cause of the low voltage in the cylinder 5 glow plug control circuit using a diagnostic scanner.
  2. Inspect the glow plug in cylinder 5 for damage or wear and replace if necessary.
  3. Check the glow plug control module for any faults and replace if needed.
  4. Inspect the wiring and connections in the glow plug control circuit for any breaks, corrosion, or loose connections, and repair as required.
  5. Test the power supply to the glow plug and ensure it is delivering the correct voltage.

Cost to Fix P067C Chevrolet

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 labor rates in your area. Generally, replacing a glow plug can cost between $50 and $150 per plug, while a glow plug control module replacement can range from $150 to $300. Wiring repairs or replacements may add additional costs. Labor rates at auto repair shops typically range from $80 to $150 per hour, but rates can vary based on location and shop type. It's advisable to consult with a trusted mechanic for a more accurate cost estimate based on your vehicle's make and model.

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Information for Specific Chevrolet Models

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

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