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B12A6 2017 GMC Sierra Code - Info Display Module Internal Malfunction

Quick Answer

The B12A6 diagnostic trouble code (DTC) indicates an internal malfunction within the information display module in a 2017 GMC Sierra. Common causes include Internal malfunction within the information display module, Electrical issues or wiring problems, Software glitches or bugs in the infotainment system. 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
B12A6 2017 GMC Sierra indicates Info Display Module Internal Malfunction.
Common causes
Common causes include Internal malfunction within the information display module, Electrical issues or wiring problems, Software glitches or bugs in the infotainment system.
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 Sep 06, 2024
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Code B12A6 2017 GMC Sierra Description

The B12A6 diagnostic trouble code (DTC) indicates an internal malfunction within the information display module in a 2017 GMC Sierra. The information display module is a vital component of the vehicle's infotainment system, responsible for providing the driver and passengers with essential information such as radio settings, navigation directions, climate control settings, and vehicle diagnostics. When this module malfunctions, it can lead to a variety of issues that can affect the overall performance and functionality of the vehicle.

OBDII Code B12A6 2017 GMC Sierra - Info Display Module Internal Malfunction
B12A6 2017 GMC Sierra Code - Info Display Module Internal Malfunction

Common Causes of B12A6 2017 GMC Sierra

  1. Internal malfunction within the information display module
  2. Electrical issues or wiring problems
  3. Software glitches or bugs in the infotainment system
  4. Water or moisture damage to the display module
  5. Impact or physical damage to the module

Symptoms of B12A6 2017 GMC Sierra

  1. Information display module not functioning properly
  2. Incorrect or erratic display of information
  3. Freezing or unresponsiveness of the display
  4. Loss of critical functions such as radio, navigation, or climate control

How to Fix B12A6 2017 GMC Sierra

  1. Begin by diagnosing the specific cause of the internal malfunction within the information display module using a diagnostic scan tool.
  2. Check for any loose connections or damaged wiring that may be affecting the module's functionality.
  3. Update the software of the infotainment system to ensure that any bugs or glitches are resolved.
  4. If the display module is damaged beyond repair, consider replacing it with a new or refurbished unit.
  5. Test the repaired or replaced module to ensure that it is functioning correctly and that all features are working as intended.

Cost to Fix B12A6 2017 GMC Sierra

The cost of repairing an Info Display Module Internal Malfunction in a 2017 GMC Sierra can vary depending on the extent of the damage and the specific repairs needed. On average, the parts for this repair can range from $200 to $500, while labor costs can range from $100 to $300. Therefore, the total cost of repairing this issue may be between $300 and $800. It is important to note that these are rough estimates, and actual costs may vary based on the location of the repair shop, the make and model of the vehicle, and any additional issues that need to be addressed during the repair process. It is advisable to consult with a professional mechanic for a more accurate cost estimate based on your specific situation.

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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 B12A6 2017 GMC Sierra Code

1. What are common symptoms of OBDII code B12A6 in a 2017 GMC Sierra?

The common symptoms include a malfunctioning information display module, flickering or blank screen, unresponsive touch controls, and incorrect display of vehicle information.

2. What does the OBDII code B12A6 indicate in a 2017 GMC Sierra?

The code B12A6 indicates an internal malfunction in the information display module of the vehicle.

3. What are possible causes of the Info Display Module Internal Malfunction in a 2017 GMC Sierra?

Possible causes include a faulty information display module, a loose or damaged connection, software glitches, or electrical issues within the display system.

4. How can I diagnose the Info Display Module Internal Malfunction in my 2017 GMC Sierra?

Diagnosing this issue may require a professional OBDII scanner to retrieve the specific error code (B12A6). Additionally, checking for loose connections and inspecting the display module visually can help identify potential causes.

5. Can I still drive my 2017 GMC Sierra with the Info Display Module Internal Malfunction code?

While the vehicle may still be operational, it is recommended to address the issue promptly to avoid potential safety hazards and further damage to the display module.

6. Is it possible to reset the OBDII code B12A6 in a 2017 GMC Sierra?

Resetting the code may temporarily clear the error, but if the underlying issue with the information display module is not fixed, the code is likely to reappear.

7. How can I repair the Info Display Module Internal Malfunction in my 2017 GMC Sierra?

Repair options may include replacing the faulty information display module, fixing any loose connections, updating software, or addressing any underlying electrical issues.

8. Can a DIY enthusiast fix the Info Display Module Internal Malfunction in a 2017 GMC Sierra?

While some basic troubleshooting steps like checking connections can be done by a DIY enthusiast, complex repairs or module replacements may require professional expertise.

9. Is the Info Display Module Internal Malfunction a common issue in the 2017 GMC Sierra?

While it may not be extremely common, issues with information display modules can occur in various vehicles, including the 2017 GMC Sierra.

10. How much does it cost to repair the Info Display Module Internal Malfunction in a 2017 GMC Sierra?

The cost of repair can vary depending on the specific issue and whether you opt for dealership service or an independent mechanic. It's advisable to get a diagnosis and cost estimate from a qualified technician.

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