AutoCodes – Chevrolet – B0997 Chevrolet

B0997 Chevrolet 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 Chevrolet 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 377

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
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Code B0997 Chevrolet 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 Chevrolet - Auxiliary Electronic Control Unit Performance - AutoCodes.com — B0997 Chevrolet Code - Auxiliary Electronic Control Unit Performance

What does this mean?

What are the Possible Causes of the DTC B0997 Chevrolet?

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 Chevrolet?

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 Chevrolet 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 Chevrolet code?

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

Need Help with the Code?

Get the B0997 Chevrolet code diagnosed by a professional: Find a repair shop in your area

Information for Specific Chevrolet Models

B0997 2014 Chevrolet Silverado — Auxiliary Electronic Control Unit Performance
B0997 2015 Chevrolet Silverado — Auxiliary Electronic Control Unit Performance
B0997 2016 Chevrolet Silverado — Auxiliary Electronic Control Unit Performance
B0997 2017 Chevrolet Silverado — Auxiliary Electronic Control Unit Performance
B0997 2018 Chevrolet Silverado — Auxiliary Electronic Control Unit Performance

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 Chevrolet Code

1. What are the common symptoms of OBDII code B0997 in a Chevrolet related to the Auxiliary Electronic Control Unit Performance?

- Common symptoms include issues with electronic control unit functions, warning lights on the dashboard, and abnormal vehicle behavior.

2. What are the possible causes of OBDII code B0997 in a Chevrolet?

- The code B0997 can be triggered by a faulty auxiliary electronic control unit, wiring issues, software glitches, or a malfunctioning sensor.

3. How can I diagnose the OBDII code B0997 in my Chevrolet?

- Diagnose the code by using an OBDII scanner to retrieve the specific fault code, inspecting the wiring for any damage, and checking the auxiliary electronic control unit for proper operation.

4. What are some repair tips for fixing OBDII code B0997 in a Chevrolet?

- Repair tips include clearing the fault code and resetting the system, repairing or replacing damaged wiring, addressing any issues with the auxiliary electronic control unit, and updating software if necessary.

5. Can I drive my Chevrolet with OBDII code B0997 present?

- It is not recommended to drive the vehicle with the code B0997 present, as it can indicate potential issues with the electronic control unit that may affect the vehicle's performance and safety.

6. How much does it typically cost to repair OBDII code B0997 in a Chevrolet?

- The cost of repairing OBDII code B0997 can vary depending on the specific issue, but it may range from a few hundred to a few thousand dollars, including parts and labor.

7. Is it possible to prevent OBDII code B0997 from occurring in my Chevrolet?

- While some causes of the code may be unavoidable, regular maintenance, timely repairs of any electrical issues, and keeping the vehicle's software up to date can help prevent OBDII code B0997.

8. Can I reset OBDII code B0997 in my Chevrolet without fixing the underlying issue?

- While you can clear the code temporarily, it is important to address the root cause of OBDII code B0997 to prevent it from reoccurring and potentially causing further damage to the vehicle.

9. How long does it take to repair OBDII code B0997 in a Chevrolet?

- The repair time for OBDII code B0997 can vary depending on the specific issue and the availability of parts, but it may take a few hours to a full day to diagnose and fix the problem.

10. Will OBDII code B0997 cause my Chevrolet to fail an emissions test?

- Yes, OBDII code B0997 can cause your Chevrolet to fail an emissions test, as it indicates a malfunction in the auxiliary electronic control unit that can impact the vehicle's emissions performance.