AutoCodes – GMC – B0931 2014 GMC Sierra

B0931 2014 GMC Sierra Code - Compass Module Circuit

Quick Answer

The Compass Module uses low-field magnetic sensing to sense vehicle directional and heading information. Common causes include Faulty Compass Module, Compass Module harness is open or shorted, Compass Module circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B0931 2014 GMC Sierra indicates Compass Module Circuit.
Common causes
Common causes include Faulty Compass Module, Compass Module harness is open or shorted, Compass Module circuit poor electrical connection.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code Popularity 206
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 B0931 2014 GMC Sierra Description

The Compass Module uses low-field magnetic sensing to sense vehicle directional and heading information. The Diagnostic Trouble Code (DTC) will be set when the Body Control Module Detected a Compass Module internal malfunction.
OBDII Code B0931 2014 GMC Sierra - Compass Module Circuit - AutoCodes.com
B0931 2014 GMC Sierra Code - Compass Module Circuit

What are the Possible Causes of the DTC B0931 2014 GMC Sierra?

  • Faulty Compass Module
  • Compass Module harness is open or shorted
  • Compass Module circuit poor electrical connection

How to Fix the DTC B0931 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 B0931 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 B0931 2014 GMC Sierra 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 B0931 2014 GMC Sierra Code

1. What are the common symptoms of OBDII code B0931 in a 2014 GMC Sierra related to the Compass Module Circuit?

The common symptoms include issues with the vehicle's compass display, inaccurate compass readings, or a complete loss of compass functionality.

2. What are the possible causes of OBDII code B0931 in a 2014 GMC Sierra?

The code B0931 typically indicates a fault in the compass module circuit, which can be caused by a damaged compass module, wiring issues, or a faulty connection.

3. How can I diagnose the Compass Module Circuit issue causing OBDII code B0931 in my 2014 GMC Sierra?

To diagnose the issue, you can start by checking the wiring and connections related to the compass module, inspecting the module itself for any visible damage, and using a diagnostic scanner to pinpoint the exact location of the fault.

4. Can I repair the Compass Module Circuit issue causing OBDII code B0931 in my 2014 GMC Sierra myself?

Depending on your level of expertise, you may be able to repair the issue yourself by fixing any damaged wiring or connections, replacing the faulty compass module, or resetting the system. However, it's recommended to consult a professional if you're unsure.

5. Is it safe to continue driving my 2014 GMC Sierra with OBDII code B0931 related to the Compass Module Circuit issue?

While the vehicle is still safe to drive with this code, it's important to address the underlying problem as soon as possible to prevent further damage or potential issues with the compass functionality.

6. How much does it typically cost to repair the Compass Module Circuit issue causing OBDII code B0931 in a 2014 GMC Sierra?

The cost of repairing the Compass Module Circuit issue can vary depending on the specific cause of the problem, the extent of the damage, and whether you choose to do the repairs yourself or seek professional help. It's recommended to get a few quotes from mechanics to compare prices.

7. Can extreme weather conditions or electromagnetic interference trigger OBDII code B0931 in a 2014 GMC Sierra?

Yes, extreme weather conditions or electromagnetic interference can sometimes affect the compass module circuit and trigger the OBDII code B0931. It's important to consider these factors when diagnosing the issue.

8. Will resetting the vehicle's computer system clear OBDII code B0931 related to the Compass Module Circuit issue in my 2014 GMC Sierra?

Resetting the vehicle's computer system may temporarily clear the code, but if the underlying issue with the Compass Module Circuit is not addressed, the code is likely to reappear. It's best to diagnose and fix the root cause of the problem.

9. Are there any preventive measures I can take to avoid OBDII code B0931 in my 2014 GMC Sierra related to the Compass Module Circuit issue?

To prevent OBDII code B0931, you can regularly inspect the compass module and related wiring for any signs of damage, ensure proper connections, and avoid exposing the vehicle to extreme electromagnetic interference.

10. Can a malfunctioning compass module affect other systems in my 2014 GMC Sierra, aside from triggering OBDII code B0931 related to the Compass Module Circuit?

While a malfunctioning compass module may not directly affect other critical systems in the vehicle, it's still important to address the issue promptly to maintain the overall functionality and convenience features of your 2014 GMC Sierra.

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