AutoCodesChevrolet – C0800 2017 Chevrolet Silverado

C0800 2017 Chevrolet Silverado Code - Control Module Power Circuit

Quick Answer

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Common causes include Faulty Control Module Power, Control Module Power harness is open or shorted, Control Module Power circuit poor electrical connection. 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
C0800 2017 Chevrolet Silverado indicates Control Module Power Circuit.
Common causes
Common causes include Faulty Control Module Power, Control Module Power harness is open or shorted, Control Module Power circuit poor electrical connection.
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 Popularity 2,144
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 23, 2022
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Code C0800 2017 Chevrolet Silverado Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. The Powertrain Control Module (PCM) sets the OBDII code when the system voltage is not to factory specifications. The following control modules will set this Diagnostic Trouble Code (DTC): Body Control Module (BCM), Instrument Panel Cluster (IPC), Radio and Sensing and Diagnostic Module (SDM).
OBDII Code C0800 2017 Chevrolet Silverado - Control Module Power Circuit - AutoCodes.com
C0800 2017 Chevrolet Silverado Code - Control Module Power Circuit

What are the Possible Causes of the DTC C0800 2017 Chevrolet Silverado?

  • Faulty Control Module Power
  • Control Module Power harness is open or shorted
  • Control Module Power circuit poor electrical connection

How to Fix the DTC C0800 2017 Chevrolet Silverado?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0800 2017 Chevrolet Silverado code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C0800 2017 Chevrolet Silverado code?

Need more information on how to fix the C0800 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

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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 C0800 2017 Chevrolet Silverado Code

1. What does the OBDII code C0800 mean for a 2017 Chevrolet Silverado?

C0800 indicates an issue with the Control Module Power Circuit, typically related to insufficient or unstable voltage supplied to the control module.

2. What are common symptoms of the C0800 code in a 2017 Chevrolet Silverado?

Symptoms may include warning lights on the dashboard, erratic vehicle behavior, or intermittent electrical system failures.

3. What causes the C0800 code in a 2017 Chevrolet Silverado?

The code can be caused by a faulty battery, damaged wiring or connectors, a failing alternator, or issues with the control module itself.

4. Can a weak battery trigger the C0800 code?

Yes, a weak or failing battery can lead to unstable power delivery, which may result in the C0800 code.

5. How do you diagnose the C0800 code on a 2017 Chevrolet Silverado?

Diagnosing involves inspecting the battery, alternator, wiring, and connectors for damage or corrosion and testing the voltage supply to the control module.

6. Can a loose connection cause the C0800 code?

Yes, loose or corroded electrical connections can disrupt power flow and trigger the C0800 code.

7. How do you fix the C0800 code in a 2017 Chevrolet Silverado?

Fixes may include replacing the battery, repairing damaged wiring, cleaning corroded connectors, or replacing the faulty control module.

8. Is it safe to drive with the C0800 code active?

It is not recommended, as electrical system issues could lead to unpredictable vehicle behavior or further damage.

9. Does the C0800 code always require control module replacement?

No, the issue is often related to power supply problems, and replacing the control module is only necessary if it’s proven to be faulty after thorough diagnosis.

10. Can the alternator cause the C0800 code on a 2017 Chevrolet Silverado?

Yes, a failing alternator can result in insufficient voltage, triggering the C0800 code.

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