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C0805 2014 Chevrolet Silverado Code - Control Module Power 2 Circuit

Quick Answer

The C0805 code for the 2014 Chevrolet Silverado indicates an issue with the Control Module Power 2 Circuit. Common causes include Damaged or corroded wiring in the Control Module Power 2 Circuit, Poor electrical connections or loose terminals at the control module or battery, A failing or defective control module that cannot maintain proper power levels. 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
C0805 2014 Chevrolet Silverado indicates Control Module Power 2 Circuit.
Common causes
Common causes include Damaged or corroded wiring in the Control Module Power 2 Circuit, Poor electrical connections or loose terminals at the control module or battery, A failing or defective control module that cannot maintain proper power levels.
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 24, 2024
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Code C0805 2014 Chevrolet Silverado Description

The C0805 code for the 2014 Chevrolet Silverado indicates an issue with the Control Module Power 2 Circuit. This diagnostic trouble code (DTC) is triggered when the vehicle's onboard diagnostics system detects a malfunction in the power supply circuit that feeds one or more control modules. Control modules are integral to the vehicle's operation, managing various systems such as the engine, transmission, and safety features. When the power circuit is compromised, it can lead to erratic behavior or complete failure of the affected modules.

OBDII Code C0805 2014 Chevrolet Silverado - Control Module Power 2 Circuit
C0805 2014 Chevrolet Silverado Code - Control Module Power 2 Circuit

Common Causes of C0805 2014 Chevrolet Silverado

  1. Damaged or corroded wiring in the Control Module Power 2 Circuit.
  2. Poor electrical connections or loose terminals at the control module or battery.
  3. A failing or defective control module that cannot maintain proper power levels.
  4. Short circuits caused by exposed wires or components that have come into contact with each other.
  5. Issues with the vehicle's battery or charging system, leading to insufficient voltage supply.

Symptoms of C0805 2014 Chevrolet Silverado

  1. Dashboard warning lights illuminated, particularly related to the engine or electrical systems.
  2. Intermittent or complete failure of electronic systems, such as power windows or locks.
  3. Difficulty starting the vehicle or a no-start condition.
  4. Erratic engine performance, including stalling or misfiring.
  5. Malfunctioning safety features, such as ABS or traction control.

How to Fix C0805 2014 Chevrolet Silverado

  1. Visual Inspection: Start with a thorough visual inspection of the wiring harness and connectors associated with the Control Module Power 2 Circuit. Look for signs of damage, corrosion, or loose connections.
  2. Test Voltage and Ground: Use a multimeter to check for proper voltage and ground at the control module. Ensure that the power supply is within the manufacturer's specifications.
  3. Repair or Replace Wiring: If damaged wiring or connectors are found, repair or replace them as necessary to restore proper electrical flow.
  4. Control Module Testing: If the wiring is intact, test the control module itself for functionality. This may involve using specialized diagnostic tools to check for internal faults.
  5. Clear Codes and Test Drive: After repairs, clear the diagnostic trouble codes and perform a test drive to ensure that the issue has been resolved and that no new codes appear.

Cost to Fix C0805 2014 Chevrolet Silverado

The typical repair costs for addressing the C0805 code can vary widely based on the underlying cause of the issue. Basic repairs, such as fixing wiring or connections, may range from $100 to $300. However, if a control module replacement is necessary, costs could escalate to between $300 and $1,000, including parts and labor. Labor rates at auto repair shops can vary based on location, vehicle make and model, and engine type. Most shops charge between $80 and $150 per hour; metropolitan areas or dealerships may charge more, while independent shops often charge less. It is advisable to check local rates for a more precise estimate and to obtain multiple quotes to ensure competitive pricing.

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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 C0805 2014 Chevrolet Silverado Code

1. What does the OBDII code C0805 for a 2014 Chevrolet Silverado indicate?

The code C0805 specifically refers to an issue with the Control Module Power 2 Circuit in the vehicle.

2. What are the common symptoms of a Control Module Power 2 Circuit problem in a 2014 Chevrolet Silverado?

Common symptoms include issues with the vehicle's electrical systems, such as power windows not working, dashboard lights flickering, or the radio cutting out.

3. What are the possible causes of the C0805 OBDII code in a 2014 Chevrolet Silverado?

Potential causes include a faulty control module, wiring issues, a blown fuse, or a malfunctioning power supply.

4. How can I diagnose the Control Module Power 2 Circuit problem in my 2014 Chevrolet Silverado?

Diagnosis typically involves using a diagnostic scanner to read the trouble code, checking the related fuses, inspecting the wiring for damage, and testing the control module for proper functioning.

5. Can I continue driving my 2014 Chevrolet Silverado with the C0805 trouble code?

It's not recommended to drive the vehicle with this code present, as it can lead to further electrical problems and potentially cause safety issues on the road.

6. How can I repair the Control Module Power 2 Circuit issue in my 2014 Chevrolet Silverado?

Repair options may include replacing a faulty control module, repairing damaged wiring, replacing blown fuses, or addressing any power supply issues.

7. Can I reset the C0805 trouble code in my 2014 Chevrolet Silverado myself?

While you can clear the trouble code with a diagnostic scanner, it's important to address the underlying issue causing the code to prevent it from reoccurring.

8. How much does it cost to fix the Control Module Power 2 Circuit problem in a 2014 Chevrolet Silverado?

The cost of repairs can vary depending on the specific cause of the issue, but it's recommended to consult with a mechanic for an accurate estimate.

9. Are there any preventive measures I can take to avoid the C0805 trouble code in my 2014 Chevrolet Silverado?

Regular maintenance, such as checking the vehicle's electrical components and addressing any issues promptly, can help prevent the occurrence of this trouble code.

10. Is the C0805 OBDII code specific only to the 2014 Chevrolet Silverado?

While the code may be specific to certain models and years, similar issues with the Control Module Power 2 Circuit can occur in other vehicles as well.

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