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C0890 2015 GMC Sierra Code - Control Module Voltage Reference Output 3 Circuit

Quick Answer

The C0890 diagnostic trouble code (DTC) for a 2015 GMC Sierra relates to the Control Module Voltage Reference Output 3 Circuit. Common causes include Faulty control module, Wiring or connection issues in the voltage reference circuit, Corrosion or damage to electrical connectors. 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
C0890 2015 GMC Sierra indicates Control Module Voltage Reference Output 3 Circuit.
Common causes
Common causes include Faulty control module, Wiring or connection issues in the voltage reference circuit, Corrosion or damage to electrical connectors.
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.
What is this?
Table of contents Created and updated by William Orellana on Aug 19, 2024
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Code C0890 2015 GMC Sierra Description

The C0890 diagnostic trouble code (DTC) for a 2015 GMC Sierra relates to the Control Module Voltage Reference Output 3 Circuit. This code indicates that there is a malfunction in the circuit responsible for providing voltage reference output to certain control modules in the vehicle. The control module voltage reference output is essential for the proper functioning of various electrical components and systems within the vehicle. When this circuit malfunctions, it can lead to issues with the performance and operation of these systems.

OBDII Code C0890 2015 GMC Sierra - Control Module Voltage Reference Output 3 Circuit
C0890 2015 GMC Sierra Code - Control Module Voltage Reference Output 3 Circuit

Common Causes of C0890 2015 GMC Sierra

  1. Faulty control module
  2. Wiring or connection issues in the voltage reference circuit
  3. Corrosion or damage to electrical connectors
  4. Issues with the vehicle's battery or charging system
  5. Environmental factors such as moisture or heat affecting electrical components

Symptoms of C0890 2015 GMC Sierra

  1. Check engine light illuminated on the dashboard
  2. Loss of power or acceleration
  3. Erratic behavior of electrical components (e.g., lights flickering)
  4. Difficulty starting the vehicle
  5. Inconsistent or incorrect readings on dashboard gauges

How to Fix C0890 2015 GMC Sierra

  1. Begin by conducting a thorough inspection of the control module, wiring, and connectors to identify any visible damage or corrosion.
  2. Test the voltage output of the control module to determine if it is within the specified range.
  3. If necessary, replace the control module or repair any damaged wiring or connectors.
  4. Clear the DTC from the vehicle's computer system and perform a test drive to ensure the issue has been resolved.
  5. If the problem persists, further diagnostic testing may be required to pinpoint the exact cause of the voltage reference output circuit malfunction.

Cost to Fix C0890 2015 GMC Sierra

The cost of repairing a Control Module Voltage Reference Output 3 Circuit issue can vary depending on the extent of the damage and the specific components that need to be replaced. On average, the repair cost for this type of issue can range from $200 to $500, including parts and labor. However, it is important to note that labor rates and diagnosis fees at auto repair shops can vary, so it is recommended to obtain quotes from different shops to determine the most cost-effective option.

What does this mean?

Tech Notes for C0890 2015 GMC Sierra

C0890:03 Control Module Voltage Reference Output 3 Circuit Low Voltage
C0890:07 Control Module Voltage Reference Output 3 Circuit High Voltage

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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 C0890 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code C0890 in a 2015 GMC Sierra?

The common symptoms of OBDII code C0890 in a 2015 GMC Sierra include the illumination of the Check Engine Light, erratic vehicle behavior, and potential issues with the vehicle's control systems.

2. What does the OBDII code C0890 for a 2015 GMC Sierra indicate?

OBDII code C0890 for a 2015 GMC Sierra indicates a problem with the Control Module Voltage Reference Output 3 Circuit.

3. What are the possible causes of OBDII code C0890 in a 2015 GMC Sierra?

Possible causes of OBDII code C0890 in a 2015 GMC Sierra include a faulty voltage reference circuit, damaged wiring or connectors, issues with the control module, or a malfunctioning sensor.

4. How can I diagnose the Control Module Voltage Reference Output 3 Circuit issue in my 2015 GMC Sierra?

To diagnose the Control Module Voltage Reference Output 3 Circuit issue in a 2015 GMC Sierra, you can use an OBDII scanner to retrieve the specific trouble code, visually inspect the wiring and connectors, and perform voltage tests on the circuit.

5. Can I continue driving my 2015 GMC Sierra with OBDII code C0890?

It is not recommended to continue driving your 2015 GMC Sierra with OBDII code C0890, as the issue may affect the vehicle's performance and lead to potential safety hazards. It is advisable to address the problem promptly.

6. How can I repair OBDII code C0890 in a 2015 GMC Sierra?

Repairing OBDII code C0890 in a 2015 GMC Sierra involves identifying and fixing the root cause of the issue, which may include repairing or replacing damaged wiring, connectors, the control module, or the sensor responsible for the voltage reference output.

7. Is it possible to reset OBDII code C0890 in a 2015 GMC Sierra?

While you can reset the Check Engine Light associated with OBDII code C0890 in a 2015 GMC Sierra using an OBDII scanner, it is crucial to address the underlying issue causing the code to prevent its recurrence.

8. Can a DIY enthusiast fix OBDII code C0890 in a 2015 GMC Sierra?

Depending on their skill level and access to tools, a DIY enthusiast may be able to diagnose and fix OBDII code C0890 in a 2015 GMC Sierra by following repair guides, consulting service manuals, and seeking assistance from automotive forums.

9. How much does it cost to repair OBDII code C0890 in a 2015 GMC Sierra at a dealership?

The cost of repairing OBDII code C0890 in a 2015 GMC Sierra at a dealership can vary based on the extent of the issue, parts needed for replacement, labor charges, and dealership pricing policies. It is advisable to request a detailed quote before proceeding with the repair.

10. Are there any recalls or technical service bulletins related to OBDII code C0890 in a 2015 GMC Sierra?

It is recommended to check with authorized GMC dealerships or visit the National Highway Traffic Safety Administration (NHTSA) website to verify if there are any recalls or technical service bulletins related to OBDII code C0890 in a 2015 GMC Sierra.

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