AutoCodes – GMC – C0899 2016 GMC Sierra

C0899 2016 GMC Sierra Code - Device Voltage Malfunction

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 Battery voltage, Faulty Control Module, Control Module harness is open or shorted. 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: C0899 2016 GMC Sierra indicates Device Voltage Malfunction.
Common causes: Common causes include Battery voltage, Faulty Control Module, Control Module harness is open or shorted.
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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 338

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 Jul 13, 2022

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code C0899 2016 GMC Sierra Description

The vehicle control modules or sensors monitor the system voltage to verify the system voltage is within the normal operating range. Damage to components, and incorrect data can occur when the voltage is out of range. The vehicle has multiple Control Modules that will set this Diagnostic Trouble Code (DTC).

OBDII Code C0899 2016 GMC Sierra - Device Voltage Malfunction - AutoCodes.com — C0899 2016 GMC Sierra Code - Device Voltage Malfunction

What does this mean?

What are the Possible Causes of the DTC C0899 2016 GMC Sierra?

Battery voltage
Faulty Control Module
Control Module harness is open or shorted
Control Module circuit poor electrical connection

How to Fix the DTC C0899 2016 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

- C0899 00: Control Module Power Circuit Malfunction
- C0899 03: Control Module Power Circuit Low Voltage

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0899 2016 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 C0899 2016 GMC Sierra code?

Need more information on how to fix the C0899 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0899 2016 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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 C0899 2016 GMC Sierra Code

1. What does OBDII code C0899 for a 2016 GMC Sierra indicate?

The code C0899 indicates a Device Voltage Malfunction in the vehicle's system.

2. What are the common symptoms of OBDII code C0899 in a 2016 GMC Sierra?

Common symptoms include issues with the vehicle's electrical system, dashboard warning lights, and potential problems with various electronic components.

3. What are the possible causes of the Device Voltage Malfunction code C0899 in a 2016 GMC Sierra?

Possible causes may include faulty wiring, a failing control module, a drained or weak battery, or issues with the charging system.

4. How can I diagnose the Device Voltage Malfunction code C0899 in my 2016 GMC Sierra?

Diagnosing the issue may involve checking the battery voltage, inspecting wiring for damage, testing the control modules, and using a diagnostic scanner to read live data and pinpoint the problem.

5. Can I still drive my 2016 GMC Sierra with OBDII code C0899?

It is not recommended to drive the vehicle with unresolved OBDII code C0899 as it may lead to potential electrical failures or other issues while on the road.

6. How can I repair OBDII code C0899 in my 2016 GMC Sierra?

Repair steps may include fixing wiring issues, replacing faulty control modules, ensuring a healthy battery and charging system, and clearing the trouble codes with a diagnostic tool.

7. Is it safe to reset the OBDII code C0899 in my 2016 GMC Sierra using a diagnostic scanner?

Resetting the code may temporarily clear the warning lights, but it is crucial to address the underlying issue causing the Device Voltage Malfunction to prevent further problems.

8. How much does it cost to repair OBDII code C0899 in a 2016 GMC Sierra?

The cost of repair can vary depending on the specific cause of the issue, parts needed, and labor rates at the repair shop. It's advisable to get a diagnosis first to determine the exact cost.

9. Can a DIY enthusiast fix OBDII code C0899 in a 2016 GMC Sierra?

While some basic troubleshooting steps can be performed by DIYers, diagnosing and repairing complex electrical issues like C0899 may require professional expertise and specialized tools.

10. Will OBDII code C0899 cause my 2016 GMC Sierra to fail an emissions test?

Yes, since OBDII codes like C0899 indicate potential issues with the vehicle's emissions-related systems, it is likely to cause a failed emissions test until the problem is resolved.