AutoCodes – GMC – B12A6 2017 GMC Sierra

B12A6 2017 GMC Sierra Code - Info Display Module Internal Malfunction

Quick Answer

The radio communicates with the Info Display Module via serial data. Common causes include Faulty Info Display Module, Info Display Module harness is open or shorted, Info Display Module circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B12A6 2017 GMC Sierra indicates Info Display Module Internal Malfunction.
Common causes: Common causes include Faulty Info Display Module, Info Display Module harness is open or shorted, Info Display Module circuit poor electrical connection.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

Save to My Repairs My Repairs

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

Code Popularity 155

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 29, 2024

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

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

Code B12A6 2017 GMC Sierra Description

The radio communicates with the Info Display Module via serial data. This Diagnostic Trouble Code (DTC) indicates a fault in the Info Display Module. No external circuits are involved.

OBDII Code B12A6 2017 GMC Sierra - Info Display Module Internal Malfunction - AutoCodes.com — B12A6 2017 GMC Sierra Code - Info Display Module Internal Malfunction

What does this mean?

What are the Possible Causes of the DTC B12A6 2017 GMC Sierra?

Faulty Info Display Module
Info Display Module harness is open or shorted
Info Display Module circuit poor electrical connection

How to Fix the DTC B12A6 2017 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B12A6 2017 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 B12A6 2017 GMC Sierra code?

Need more information on how to fix the B12A6 2017 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B12A6 2017 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 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.