AutoCodes – GMC – B0997 2015 GMC Sierra

B0997 2015 GMC Sierra Code - Auxiliary Electronic Control Unit Performance

Quick Answer

The Info Display Module monitors itself for internal failures and reports its condition to the Human Machine Interface Control Module when requested. Common causes include Faulty Info Display Module (Radio Controls) (Radio Assembly), Info Display Module harness is open or shorted, Info Display Module circuit poor electrical connection. 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
B0997 2015 GMC Sierra indicates Auxiliary Electronic Control Unit Performance.
Common causes
Common causes include Faulty Info Display Module (Radio Controls) (Radio Assembly), Info Display Module harness is open or shorted, Info Display Module circuit poor electrical connection.
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 161
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 18, 2024
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Code B0997 2015 GMC Sierra Description

The Info Display Module monitors itself for internal failures and reports its condition to the Human Machine Interface Control Module when requested. The info display also reports electronic identification information when requested. The Diagnostic Trouble Code (DTC) will be set if the Info Display Module has reported identification information that differs from the information calibrated in the Human Machine Interface Control Module or if the Info Display Module reports an internal malfunction.
*The Info Display Module and radio controls can be separate components from the radio or combined with the radio into one assembly.
OBDII Code B0997 2015 GMC Sierra - Auxiliary Electronic Control Unit Performance - AutoCodes.com
B0997 2015 GMC Sierra Code - Auxiliary Electronic Control Unit Performance

What are the Possible Causes of the DTC B0997 2015 GMC Sierra?

  • Faulty Info Display Module (Radio Controls) (Radio Assembly)
  • Info Display Module harness is open or shorted
  • Info Display Module circuit poor electrical connection

How to Fix the DTC B0997 2015 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 B0997 2015 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 B0997 2015 GMC Sierra code?

Need more information on how to fix the B0997 2015 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0997 2015 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 B0997 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code B0997 in a 2015 GMC Sierra?

- Common symptoms include erratic operation of auxiliary electronic components, warning lights on the dashboard, and possible loss of functionality.

2. What can cause the OBDII code B0997 in a 2015 GMC Sierra?

- The code B0997 typically indicates a performance issue with the auxiliary electronic control unit, which could be caused by wiring faults, a faulty control unit, or software glitches.

3. How can I diagnose the OBDII code B0997 in my 2015 GMC Sierra?

- Diagnosis usually involves using a scan tool to retrieve the specific code, checking the wiring connections, inspecting the auxiliary electronic components, and testing the control unit for proper functionality.

4. Is it safe to continue driving with the OBDII code B0997 illuminated in my 2015 GMC Sierra?

- While the vehicle may still be operational with this code, it is recommended to address the issue promptly to prevent further damage to electronic components and ensure proper functionality.

5. Can I reset the OBDII code B0997 in my 2015 GMC Sierra by disconnecting the battery?

- Disconnecting the battery may clear the code temporarily, but it is not a permanent solution. The underlying issue causing the code will need to be identified and repaired for the code to stay cleared.

6. How much does it typically cost to repair the OBDII code B0997 in a 2015 GMC Sierra?

- The cost of repair can vary depending on the root cause of the issue. It may involve simple wiring fixes, control unit replacement, or software updates, so it is best to consult a professional for an accurate estimate.

7. Are there any DIY tips for addressing the OBDII code B0997 in a 2015 GMC Sierra?

- DIY tips may include checking and cleaning wiring connections, ensuring proper grounding, and inspecting for visible damage to components. However, more complex diagnostics and repairs may require professional assistance.

8. Can extreme weather conditions trigger the OBDII code B0997 in a 2015 GMC Sierra?

- Extreme weather conditions can potentially exacerbate existing issues related to the auxiliary electronic control unit, leading to the illumination of the B0997 code. It is essential to keep the vehicle well-maintained to minimize such risks.

9. Will the OBDII code B0997 affect the overall performance of my 2015 GMC Sierra?

- The code B0997 primarily pertains to the auxiliary electronic control unit's performance and may not directly impact the vehicle's drivability. However, it is crucial to address the issue to maintain the vehicle's electronic systems' proper functioning.

10. How long does it take to repair the OBDII code B0997 in a 2015 GMC Sierra?

- The repair time can vary depending on the exact cause of the issue and the complexity of the repair. Simple fixes may take a short time, while more involved repairs could require several hours or even days.

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