AutoCodes – GMC – B0997 2014 GMC Sierra

B0997 2014 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 2014 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 177

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 Nov 18, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B0997 2014 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 2014 GMC Sierra - Auxiliary Electronic Control Unit Performance - AutoCodes.com — B0997 2014 GMC Sierra Code - Auxiliary Electronic Control Unit Performance

What does this mean?

What are the Possible Causes of the DTC B0997 2014 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 2014 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 2014 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 2014 GMC Sierra code?

Need more information on how to fix the B0997 2014 GMC Sierra code? Get Access to Factory Service Manuals

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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 B0997 2014 GMC Sierra Code

What does the OBDII code B0997 mean for a 2014 GMC Sierra?

The OBDII code B0997 indicates a performance issue with the Auxiliary Electronic Control Unit (ECU) in the vehicle, which may affect various electronic systems.

What symptoms might indicate a B0997 code in my GMC Sierra?

Common symptoms include warning lights on the dashboard, malfunctioning electronic features, and potential issues with vehicle stability or performance.

What are some common causes of the B0997 code?

Possible causes include a faulty Auxiliary ECU, wiring issues, poor connections, or problems with related sensors or modules.

How can I diagnose the issue related to the B0997 code?

To diagnose B0997, use an OBDII scanner to retrieve the code and check for any related codes. Inspect the wiring and connections to the Auxiliary ECU, and test the ECU itself for proper function.

What are some repair tips for fixing the B0997 code?

Repair tips include checking and repairing any damaged wiring or connectors, replacing a faulty Auxiliary ECU, and ensuring all software is up to date.

Can I drive my GMC Sierra with a B0997 code?

While you may be able to drive the vehicle, it is advisable to address the code promptly, as it may lead to further electronic issues or impact safety features.

Is the B0997 code serious?

Yes, the B0997 code can be serious as it relates to the performance of electronic systems in your vehicle, potentially affecting safety and drivability.

How much does it typically cost to repair a B0997 code?

Repair costs can vary widely depending on the underlying issue, but you might expect to pay anywhere from $100 to $1,000 or more, especially if the Auxiliary ECU needs replacement.

Will clearing the B0997 code fix the problem?

Clearing the code may temporarily turn off the warning light, but it will not resolve the underlying issue, and the code is likely to return if the problem persists.