AutoCodesChevrolet – B0997 2014 Chevrolet Silverado

B0997 2014 Chevrolet Silverado 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 Chevrolet Silverado 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 169
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 2014 Chevrolet Silverado 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 Chevrolet Silverado - Auxiliary Electronic Control Unit Performance - AutoCodes.com
B0997 2014 Chevrolet Silverado Code - Auxiliary Electronic Control Unit Performance

What are the Possible Causes of the DTC B0997 2014 Chevrolet Silverado?

  • 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 Chevrolet Silverado?

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 Chevrolet Silverado 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 Chevrolet Silverado code?

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

Need Help with the Code?

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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 Chevrolet Silverado Code

1. What does the OBDII code B0997 mean on a 2014 Chevrolet Silverado?

The code B0997 indicates an issue with the Auxiliary Electronic Control Unit (ECU) performance, meaning it is not functioning as expected.

2. What are the common symptoms of the B0997 code in a 2014 Chevrolet Silverado?

Symptoms may include malfunctioning auxiliary systems, such as heated seats or rear entertainment, warning lights on the dashboard, or intermittent operation of connected components.

3. What causes the B0997 code to appear in a 2014 Chevrolet Silverado?

Common causes include a faulty auxiliary ECU, damaged wiring or connectors, software issues, or poor communication between control modules.

4. How do I diagnose the B0997 code on my 2014 Chevrolet Silverado?

Start by scanning the vehicle with an OBDII scanner, inspecting the wiring and connectors for damage, and testing the auxiliary ECU for proper operation.

5. Can I drive my 2014 Chevrolet Silverado with the B0997 code active?

Yes, you can typically drive the vehicle, but auxiliary functions linked to the faulty ECU may not work properly, and the issue should be addressed to avoid further problems.

6. What is the most common fix for the B0997 code in a 2014 Chevrolet Silverado?

The most common fix is repairing or replacing the auxiliary ECU, but it may also involve fixing damaged wiring or updating the module's software.

7. How much does it cost to repair the B0997 code on a 2014 Chevrolet Silverado?

Repair costs can vary widely, ranging from $100 to $600, depending on whether the ECU needs replacement or if wiring issues are involved.

8. Can a dead battery cause the B0997 code in a 2014 Chevrolet Silverado?

Yes, a low or dead battery can sometimes cause communication issues between control modules, potentially triggering the code.

9. Is it necessary to reprogram the ECU when fixing the B0997 code in a 2014 Chevrolet Silverado?

Reprogramming may be necessary if a new auxiliary ECU is installed or if software updates are required to resolve the issue.

10. Can I clear the B0997 code without fixing the problem in my 2014 Chevrolet Silverado?

You can clear the code temporarily with an OBDII scanner, but if the root cause isn’t addressed, the code will likely return.

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