AutoCodes – GMC – C0899 GMC

C0899 GMC 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 GMC 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.
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Code Popularity 19,702
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 13, 2022
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Code C0899 GMC 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 GMC - Device Voltage Malfunction - AutoCodes.com
C0899 GMC Code - Device Voltage Malfunction

What are the Possible Causes of the DTC C0899 GMC?

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

How to Fix the DTC C0899 GMC?

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 C0899 GMC 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 GMC code?

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

Need Help with the Code?

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

Information for Specific GMC Models

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 GMC Code

1. What are the common symptoms of OBDII code C0899 GMC (Device Voltage Malfunction)?

The common symptoms of code C0899 include issues with the vehicle's electronic stability control system, illuminated warning lights on the dashboard, and potential loss of stability control functionality.

2. What are some possible causes of OBDII code C0899 GMC?

Possible causes of code C0899 include a faulty electronic stability control module, damaged wiring or connectors in the stability control system, low voltage in the system, or a malfunctioning ABS module.

3. How can I diagnose OBDII code C0899 GMC at home?

You can diagnose code C0899 by using an OBDII scanner to read the code and identify the specific issue. Additionally, checking the stability control module, wiring, and connectors for any visible damage can help pinpoint the cause.

4. What should I do if I encounter OBDII code C0899 GMC?

If you encounter code C0899, it is recommended to have your vehicle inspected by a qualified mechanic to determine the exact cause of the issue. Ignoring this code can potentially lead to safety concerns while driving.

5. Can I continue driving with OBDII code C0899 GMC active?

It is not recommended to continue driving with code C0899 active, as it indicates a malfunction in the stability control system. Continuing to drive with this code can compromise the vehicle's stability and safety.

6. How much does it typically cost to repair OBDII code C0899 GMC?

The cost of repairing code C0899 can vary depending on the specific cause of the issue. Repairs may range from replacing damaged wiring or connectors to replacing the stability control module, with costs varying accordingly.

7. Are there any DIY repair tips for fixing OBDII code C0899 GMC?

DIY repair for code C0899 is not recommended due to the technical nature of stability control systems. It is best to seek professional help to accurately diagnose and repair the issue.

8. Can a low battery voltage trigger OBDII code C0899 GMC?

Yes, a low battery voltage can potentially trigger code C0899 as it affects the overall electrical system of the vehicle, including the stability control module and related components.

9. How long does it take to repair OBDII code C0899 GMC?

The repair time for code C0899 can vary depending on the complexity of the issue and the availability of parts. It is best to consult with a mechanic for an accurate estimate of the repair timeline.

10. Is OBDII code C0899 GMC a serious issue that requires immediate attention?

Code C0899 should be addressed promptly to ensure the proper functioning of the stability control system in the vehicle. Ignoring this code can compromise safety and stability while driving.

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