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P06CC 2018 Chevrolet Silverado Code - Cylinder 8 Glow Plug Incorrect

Quick Answer

The P06CC diagnostic trouble code (DTC) indicates that there is an issue with the glow plug associated with cylinder 8 in a 2018 Chevrolet Silverado. Common causes include Faulty glow plug for cylinder 8, which may be burned out or damaged, Electrical issues, such as a short circuit or open circuit in the glow plug wiring, Malfunctioning glow plug relay or 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
P06CC 2018 Chevrolet Silverado indicates Cylinder 8 Glow Plug Incorrect.
Common causes
Common causes include Faulty glow plug for cylinder 8, which may be burned out or damaged, Electrical issues, such as a short circuit or open circuit in the glow plug wiring, Malfunctioning glow plug relay or 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.
What is this?
Table of contents Created and updated by William Orellana on Oct 09, 2024
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Code P06CC 2018 Chevrolet Silverado Description

The P06CC diagnostic trouble code (DTC) indicates that there is an issue with the glow plug associated with cylinder 8 in a 2018 Chevrolet Silverado. Glow plugs are crucial components in diesel engines, as they help preheat the combustion chamber to facilitate cold starts and improve overall engine performance. When the engine control module (ECM) detects that the glow plug for cylinder 8 is either malfunctioning or not operating within the expected parameters, it triggers this code.

OBDII Code P06CC 2018 Chevrolet Silverado - Cylinder 8 Glow Plug Incorrect
P06CC 2018 Chevrolet Silverado Code - Cylinder 8 Glow Plug Incorrect

Common Causes of P06CC 2018 Chevrolet Silverado

  1. Faulty glow plug for cylinder 8, which may be burned out or damaged.
  2. Electrical issues, such as a short circuit or open circuit in the glow plug wiring.
  3. Malfunctioning glow plug relay or control module.
  4. Accumulation of carbon deposits or contamination affecting the glow plug's performance.
  5. ECM software issues or incorrect programming that misinterprets the glow plug's status.

Symptoms of P06CC 2018 Chevrolet Silverado

  1. Difficulty starting the engine, especially in cold weather.
  2. Rough idling or misfiring of the engine.
  3. Increased exhaust smoke, particularly white smoke during startup.
  4. Reduced engine power and acceleration.
  5. Activation of the check engine light on the dashboard.

How to Fix P06CC 2018 Chevrolet Silverado

  1. Diagnostic Testing: Begin with a thorough diagnostic scan to confirm the P06CC code and check for any related codes that may provide additional context.
  2. Visual Inspection: Inspect the glow plug wiring and connectors for signs of damage, corrosion, or loose connections.
  3. Glow Plug Replacement: If the glow plug for cylinder 8 is found to be faulty, replace it with a new one. Ensure that the correct specifications are followed for the replacement part.
  4. Check Relay and Circuit: Test the glow plug relay and associated circuits to ensure they are functioning correctly. Replace any faulty components as needed.
  5. ECM Reprogramming: If necessary, update or reprogram the ECM to ensure it correctly recognizes the new glow plug and its operation.

Cost to Fix P06CC 2018 Chevrolet Silverado

The typical repair costs for addressing a P06CC code can range from $200 to $600, depending on the specific repairs needed. This estimate includes the cost of parts, such as a new glow plug (which can range from $20 to $100), and labor costs, which can vary widely. Labor rates at auto repair shops typically range from $80 to $150 per hour. Factors such as location, vehicle make and model, and engine type can influence these rates. In metropolitan areas or at dealerships, labor rates may be higher, while independent shops may offer more competitive pricing. It is advisable to check local rates for a more precise estimate before proceeding with repairs.

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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.

Frequently Asked Questions about P06CC 2018 Chevrolet Silverado Code

1. What does the OBDII code P06CC mean on a 2018 Chevrolet Silverado?

The P06CC code indicates that there is an issue with the glow plug in cylinder 8, specifically that it is functioning incorrectly or is outside of the expected parameters.

2. What are the symptoms of a P06CC code on a Chevrolet Silverado?

Common symptoms include difficulty starting the engine in cold weather, rough idling, reduced engine performance, and the illumination of the check engine light.

3. What causes the P06CC code to appear?

The code can be triggered by a faulty glow plug, damaged wiring or connectors in the glow plug circuit, or a failure in the glow plug control module.

4. Can I drive my 2018 Chevrolet Silverado with a P06CC code?

While the truck may still be drivable, driving with this code can lead to starting issues, especially in cold weather, and may cause further damage if not addressed promptly.

5. How is the P06CC code diagnosed?

A mechanic will typically use an OBDII scanner to confirm the code, inspect the glow plug and its wiring, test the glow plug control module, and check for additional related codes.

6. How do you fix the P06CC code on a Chevrolet Silverado?

The fix may involve replacing the faulty glow plug in cylinder 8, repairing damaged wiring, or replacing the glow plug control module if it has failed.

7. How much does it cost to repair a P06CC code?

The repair cost can vary, but replacing a glow plug typically costs between $100 and $300, depending on labor rates and parts pricing.

8. What happens if I ignore the P06CC code?

Ignoring the code can result in poor engine performance, increased emissions, and difficulty starting the vehicle, especially in cold weather.

9. Can a P06CC code reset itself?

The code may temporarily clear if the issue is intermittent, but it will likely return if the underlying problem is not resolved.

10. Is the P06CC code related to cold weather?

Yes, the glow plug system is critical for starting a diesel engine in cold weather, so a fault like the P06CC code can cause significant starting problems in colder temperatures.

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