AutoCodes – GMC – B0997 2016 GMC Sierra

B0997 2016 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 2016 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.

Save to My Repairs My Repairs

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

Code Popularity 174

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 04, 2023

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 B0997 2016 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 2016 GMC Sierra - Auxiliary Electronic Control Unit Performance - AutoCodes.com — B0997 2016 GMC Sierra Code - Auxiliary Electronic Control Unit Performance

What does this mean?

What are the Possible Causes of the DTC B0997 2016 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 2016 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 2016 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 2016 GMC Sierra code?

Need more information on how to fix the B0997 2016 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0997 2016 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 2016 GMC Sierra Code

1. What are common symptoms of OBDII code B0997 in a 2016 GMC Sierra?

- Common symptoms include issues with the auxiliary electronic control unit's performance, such as erratic behavior or malfunctions in related systems.

2. What could cause the OBDII code B0997 in a 2016 GMC Sierra?

- Possible causes of code B0997 include faulty wiring connections, a malfunctioning auxiliary electronic control unit, or software glitches.

3. How can I diagnose OBDII code B0997 in my 2016 GMC Sierra?

- Diagnosis typically involves using a diagnostic scanner to retrieve the specific fault code, followed by inspecting the wiring connections and components related to the auxiliary electronic control unit.

4. What repair steps can I take to fix OBDII code B0997 in my 2016 GMC Sierra?

- Repair steps may include checking and repairing any damaged wiring, replacing the auxiliary electronic control unit if necessary, and ensuring all connections are secure and functioning properly.

5. Can I reset OBDII code B0997 in my 2016 GMC Sierra without fixing the underlying issue?

- While you can clear the code temporarily, it is recommended to diagnose and repair the underlying issue to prevent further problems with the auxiliary electronic control unit.

6. Is it safe to continue driving my 2016 GMC Sierra with OBDII code B0997 present?

- It is not recommended to drive your vehicle with unresolved OBDII codes, as they may indicate potential issues that could affect the vehicle's performance or safety.

7. How much does it typically cost to repair OBDII code B0997 in a 2016 GMC Sierra?

- The cost of repairs for code B0997 can vary depending on the root cause of the issue, but it may involve expenses for parts replacement and labor.

8. Are there any preventive maintenance measures I can take to avoid OBDII code B0997 in my 2016 GMC Sierra?

- Regularly inspecting and maintaining the electrical components and connections related to the auxiliary electronic control unit can help prevent issues that may trigger code B0997.

9. Can extreme weather conditions affect the likelihood of OBDII code B0997 appearing in a 2016 GMC Sierra?

- Yes, extreme temperatures or moisture exposure can potentially impact the performance of electronic components, including the auxiliary electronic control unit, leading to code B0997.

10. How long does it typically take to resolve OBDII code B0997 in a 2016 GMC Sierra?

- The time taken to resolve code B0997 can vary based on the complexity of the issue, availability of parts, and the expertise of the technician performing the repairs.