AutoCodes – GMC – C0800 2014 GMC Sierra

C0800 2014 GMC Sierra 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 2014 GMC Sierra 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 589

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 2014 GMC Sierra 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 2014 GMC Sierra - Control Module Power Circuit - AutoCodes.com — C0800 2014 GMC Sierra Code - Control Module Power Circuit

What does this mean?

What are the Possible Causes of the DTC C0800 2014 GMC Sierra?

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 2014 GMC Sierra?

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 2014 GMC Sierra 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 2014 GMC Sierra code?

Need more information on how to fix the C0800 2014 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 2014 GMC Sierra Code

1. What are the common symptoms of OBDII code C0800 in a 2014 GMC Sierra?

- Common symptoms include the check engine light illuminating, power steering issues, and potential difficulty in starting the vehicle.

2. What does OBDII code C0800 indicate in a 2014 GMC Sierra?

- OBDII code C0800 typically indicates a problem with the Control Module Power Circuit in the vehicle.

3. What are the possible causes of OBDII code C0800 in a 2014 GMC Sierra?

- Possible causes include a faulty control module, damaged wiring or connectors, a weak battery, or issues with the vehicle's electrical system.

4. How can I diagnose the Control Module Power Circuit issue triggering OBDII code C0800 in my 2014 GMC Sierra?

- Diagnosis involves using a diagnostic scanner to retrieve the trouble codes, inspecting the control module and related components, and testing the power supply to the module.

5. Is it safe to continue driving my 2014 GMC Sierra with OBDII code C0800 present?

- It is not recommended to continue driving the vehicle with OBDII code C0800 present, as it can lead to further damage and potential safety hazards.

6. Can I reset OBDII code C0800 in my 2014 GMC Sierra by disconnecting the battery?

- While disconnecting the battery may clear the code temporarily, it is crucial to diagnose and repair the underlying issue causing OBDII code C0800 to prevent it from reoccurring.

7. What are some repair tips for addressing OBDII code C0800 in a 2014 GMC Sierra?

- Repair tips include checking and repairing any damaged wiring, ensuring proper connections, replacing the control module if necessary, and testing the battery and charging system.

8. How much can I expect to pay for repairing OBDII code C0800 in a 2014 GMC Sierra?

- Repair costs for OBDII code C0800 can vary depending on the root cause of the issue, but it is advisable to consult a professional mechanic for an accurate diagnosis and cost estimate.

9. Can a DIY enthusiast with basic automotive knowledge fix OBDII code C0800 in a 2014 GMC Sierra?

- While some aspects of diagnosing and repairing OBDII code C0800 may be within reach of a DIY enthusiast, complex electrical issues are best handled by a qualified mechanic or technician.

10. How can I prevent OBDII code C0800 from occurring in the future in my 2014 GMC Sierra?

- To prevent OBDII code C0800, it is essential to perform regular maintenance, address any electrical issues promptly, and keep the vehicle's control modules and wiring in good condition.