AutoCodes – Generic – U031C

U031C Code - Software Incompatibility With Brake System Control Module 2

Quick Answer

Some devices must be configured with specific software, serial numbers, vehicle options, or other information. Common causes include Brake System Control Module 2 Programmed With Incorrect Software, Faulty Brake System Control Module 2. 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: U031C indicates Software Incompatibility With Brake System Control Module 2.
Common causes: Common causes include Brake System Control Module 2 Programmed With Incorrect Software, Faulty Brake System Control Module 2.
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 679

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 07, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U031C Description

Some devices must be configured with specific software, serial numbers, vehicle options, or other information. If a device was not properly configured after installation that the device may set the appropriate communication Diagnostic Trouble Code (DTC)s. No external circuit diagnosis is involved. The DTC sets when the Brake System Control Module 2 is not configured properly.

OBDII Code U031C - Software Incompatibility With Brake System Control Module 2 - AutoCodes.com — U031C Code - Software Incompatibility With Brake System Control Module 2

What does this mean?

What are the Possible Causes of the DTC U031C?

Brake System Control Module 2 Programmed With Incorrect Software
Faulty Brake System Control Module 2

How to Fix the DTC U031C?

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 U031C 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 U031C code?

Need more information on how to fix the U031C code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the U031C code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

U031C Buick — Software Incompatibility With Brake System Control Module 2
U031C Cadillac — Software Incompatibility With Brake System Control Module 2
U031C Chevrolet — Software Incompatibility With Brake System Control Module 2
U031C GMC — Software Incompatibility With Brake System Control Module 2

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 U031C Code

1. What does the OBDII code U031C mean?

The code U031C indicates software incompatibility with Brake System Control Module 2.

2. What are the common symptoms of OBDII code U031C?

Common symptoms include the brake system warning light being illuminated on the dashboard and potential issues with the brake system's functionality.

3. What are the possible causes of code U031C?

Possible causes include software glitches, communication errors between modules, or a fault in the Brake System Control Module 2.

4. How can I diagnose OBDII code U031C?

Diagnosing this code typically involves using a professional OBDII scanner to read the code, checking for any related codes, and conducting a thorough inspection of the brake system components.

5. What are the repair options for OBDII code U031C?

Repair options may include updating the software in the affected module, checking and repairing any wiring or communication issues, or replacing the Brake System Control Module 2 if necessary.

6. Can I continue driving with OBDII code U031C present?

It is not recommended to continue driving with this code present, as it can indicate potential brake system issues that may compromise vehicle safety.

7. How much does it cost to repair OBDII code U031C?

The cost of repair can vary depending on the specific cause of the code, but it may range from a simple software update to a more expensive module replacement.

8. Can I clear OBDII code U031C without repairing the issue?

Clearing the code without addressing the underlying problem is not recommended, as the issue may persist and potentially lead to safety concerns or further damage.

9. Is OBDII code U031C a common issue in vehicles?

While not as common as some other OBDII codes, U031C can occur in vehicles with advanced brake system control modules and software.

10. How can I prevent OBDII code U031C from recurring?

Regularly maintaining and updating the software in your vehicle's control modules, as well as addressing any brake system issues promptly, can help prevent the recurrence of code U031C.