AutoCodes – Chevrolet – C0800 2015 Chevrolet Silverado

C0800 2015 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 2015 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 1,567

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 23, 2022

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C0800 2015 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 2015 Chevrolet Silverado - Control Module Power Circuit - AutoCodes.com — C0800 2015 Chevrolet Silverado Code - Control Module Power Circuit

What does this mean?

What are the Possible Causes of the DTC C0800 2015 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 2015 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.

What does this mean?

Code Tech Notes

- C0800:03 Control Module Power Circuit Low Voltage
- C0800:07 Control Module Power Circuit High Voltage
- C0800:0D Control Module Power Circuit High Resistance
- C0800:11 Control Module Power Circuit High Input

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0800 2015 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 2015 Chevrolet Silverado code?

Need more information on how to fix the C0800 2015 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 2015 Chevrolet Silverado Code

1. What does the OBDII code C0800 mean on a 2015 Chevrolet Silverado?

C0800 indicates an issue with the Control Module Power Circuit, typically signaling a voltage problem in one of the vehicle's control modules.

2. What are common symptoms of the C0800 code in a 2015 Chevrolet Silverado?

Symptoms may include the check engine light or other warning lights, erratic electrical behavior, or failure of certain systems like traction control or stability control.

3. What causes the C0800 code to appear?

Common causes include a weak or failing battery, poor electrical connections, corroded wiring, or a faulty control module.

4. Can a dead battery trigger the C0800 code?

Yes, a dead or low-voltage battery is a frequent cause of the C0800 code, as it can lead to insufficient power for the control modules.

5. How can I diagnose the C0800 code on my Silverado?

Start by checking the battery voltage and connections, inspecting wiring for corrosion or damage, and scanning for related codes that may indicate a specific module issue.

6. Can a bad ground connection cause the C0800 code?

Yes, a poor ground connection can disrupt the power supply to control modules and trigger the C0800 code.

7. How do I fix the C0800 code on a 2015 Chevrolet Silverado?

Repairs could include charging or replacing the battery, cleaning or tightening connections, repairing damaged wiring, or replacing a faulty control module.

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

It depends on the severity of the issue. While some electrical systems may still function, it's best to address the problem promptly to avoid potential failures.

9. Can a faulty alternator cause the C0800 code?

Yes, a failing alternator may not properly charge the battery, leading to low voltage and triggering the C0800 code.

10. Do I need professional help to fix the C0800 code?

While minor issues like battery replacement can be done by a DIYer, diagnosing and repairing complex wiring or module issues may require professional assistance.