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P067D Chevrolet Code - Cylinder 5 Glow Plug Control Circuit High Voltage

Quick Answer

The diagnostic trouble code P067D for Chevrolet vehicles specifically points to an issue with the Glow Plug Control Circuit for cylinder 5. Common causes include Faulty glow plug in cylinder 5, Short circuit in the glow plug control circuit, Corrosion or poor connection in the wiring or connectors. 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
P067D Chevrolet indicates Cylinder 5 Glow Plug Control Circuit High Voltage.
Common causes
Common causes include Faulty glow plug in cylinder 5, Short circuit in the glow plug control circuit, Corrosion or poor connection in the wiring or connectors.
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 P067D Chevrolet Description

The diagnostic trouble code P067D for Chevrolet vehicles specifically points to an issue with the Glow Plug Control Circuit for cylinder 5. Glow plugs are essential components in diesel engines to aid in cold starting by preheating the combustion chamber. When this code is triggered, it means that the voltage in the control circuit for the glow plug in cylinder 5 is higher than normal, indicating a potential malfunction in the system.

OBDII Code P067D Chevrolet - Cylinder 5 Glow Plug Control Circuit High Voltage
P067D Chevrolet Code - Cylinder 5 Glow Plug Control Circuit High Voltage

Common Causes of P067D Chevrolet

  1. Faulty glow plug in cylinder 5.
  2. Short circuit in the glow plug control circuit.
  3. Corrosion or poor connection in the wiring or connectors.
  4. Malfunctioning glow plug control module.
  5. Issues with the vehicle's battery or charging system affecting the voltage supply.

Symptoms of P067D Chevrolet

  1. Difficulty starting the engine, especially in cold weather.
  2. Rough idling or misfiring of the engine.
  3. Decreased fuel efficiency.
  4. Illumination of the check engine light.
  5. Increased emissions output.

How to Fix P067D Chevrolet

  1. Begin by diagnosing the specific cause of the high voltage in the glow plug control circuit for cylinder 5 using a diagnostic scanner.
  2. Inspect the wiring, connectors, and glow plug in cylinder 5 for any visible damage or corrosion.
  3. Test the glow plug using a multimeter to determine if it is functioning correctly.
  4. Replace the faulty glow plug, wiring, connectors, or control module as needed.
  5. Clear the trouble codes from the vehicle's computer and test the system to ensure the issue has been resolved.

Cost to Fix P067D Chevrolet

The typical repair costs for addressing a Cylinder 5 Glow Plug Control Circuit High Voltage issue in a Chevrolet vehicle can range from $200 to $500, including parts and labor. However, the actual cost can vary depending on the specific components that need to be replaced and the labor rates at the auto repair shop. It is recommended to obtain quotes from different shops to get a more accurate estimate based on your location and vehicle 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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