AutoCodes – GMC – B2725 2014 GMC Sierra

B2725 2014 GMC Sierra Code - Transfer Case Range Selection Switch Circuit

Quick Answer

The Transfer Case Shift Control Switch (TCSCS) allows the driver to select between ranges. Common causes include Faulty Transfer Case Range Selection Switch, Transfer Case Range Selection Switch harness is open or shorted, Transfer Case Range Selection Switch 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
B2725 2014 GMC Sierra indicates Transfer Case Range Selection Switch Circuit.
Common causes
Common causes include Faulty Transfer Case Range Selection Switch, Transfer Case Range Selection Switch harness is open or shorted, Transfer Case Range Selection Switch 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 265
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 30, 2023
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Code B2725 2014 GMC Sierra Description

The Transfer Case Shift Control Switch (TCSCS) allows the driver to select between ranges. The Transfer Case Control Module (TCCM) supplies a regulated 5 V, to the switch through the 5-volt reference circuit. The current travels through the specific resistor of the currently selected mode, each mode has its own resistor. The current is then returned to the Transfer Case Control Module through the switch signal circuit. The Transfer Case Control Module continuously monitors the switch signal circuit to determine whether the driver has requested a mode change. The Diagnostic Trouble Code (DTC) sets when the low side driver is ON, the Transfer Case Control Module measures an invalid voltage on the Four-Wheel Drive Switch Signal circuit.
OBDII Code B2725 2014 GMC Sierra - Transfer Case Range Selection Switch Circuit - AutoCodes.com
B2725 2014 GMC Sierra Code - Transfer Case Range Selection Switch Circuit

What are the Possible Causes of the DTC B2725 2014 GMC Sierra?

  • Faulty Transfer Case Range Selection Switch
  • Transfer Case Range Selection Switch harness is open or shorted
  • Transfer Case Range Selection Switch circuit poor electrical connection
  • Faulty Transfer Case Control Module

How to Fix the DTC B2725 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2725 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 B2725 2014 GMC Sierra code?

Need more information on how to fix the B2725 2014 GMC Sierra code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2725 2014 GMC Sierra code diagnosed by a professional: Find a repair shop in your area

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 B2725 2014 GMC Sierra Code

1. What are the common symptoms of OBDII code B2725 in a 2014 GMC Sierra related to the Transfer Case Range Selection Switch Circuit?

Common symptoms include issues with shifting gears, difficulty engaging the transfer case, and illuminated warning lights on the dashboard.

2. What are the possible causes of OBDII code B2725 in a 2014 GMC Sierra?

Potential causes of this code include a faulty transfer case range selection switch, damaged wiring or connectors, or a malfunctioning transfer case control module.

3. How can I diagnose the Transfer Case Range Selection Switch Circuit issue in my 2014 GMC Sierra?

You can diagnose the problem by using a scan tool to retrieve the specific OBDII code (B2725), inspecting the wiring and connectors for any damage, and testing the functionality of the transfer case range selection switch.

4. Can I still drive my 2014 GMC Sierra with OBDII code B2725 present?

It is not recommended to drive the vehicle with this code present, as it may result in unsafe driving conditions due to potential transfer case issues.

5. How can I repair OBDII code B2725 in my 2014 GMC Sierra related to the Transfer Case Range Selection Switch Circuit?

To repair this issue, you may need to replace the faulty transfer case range selection switch, repair any damaged wiring or connectors, or reprogram the transfer case control module.

6. Are there any DIY tips for fixing OBDII code B2725 in a 2014 GMC Sierra?

While some basic troubleshooting steps can be done at home, it is recommended to consult a professional mechanic for a proper diagnosis and repair of the Transfer Case Range Selection Switch Circuit issue.

7. Is it safe to reset the OBDII code B2725 in a 2014 GMC Sierra without fixing the underlying issue?

It is not advisable to simply reset the code without addressing the root cause, as the problem may persist and potentially lead to more severe transfer case issues in the future.

8. How much does it typically cost to repair OBDII code B2725 in a 2014 GMC Sierra at a dealership or repair shop?

The cost of repairing this code can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. Can extreme weather conditions affect the occurrence of OBDII code B2725 in a 2014 GMC Sierra?

Extreme weather conditions, such as excessive heat or cold, can potentially impact the performance of the transfer case range selection switch and contribute to the triggering of this OBDII code.

10. Is OBDII code B2725 exclusive to 2014 GMC Sierra vehicles, or can it occur in other car models?

While this specific OBDII code may be more commonly associated with the 2014 GMC Sierra, similar issues with the transfer case range selection switch circuit can occur in other vehicle models as well.

Discuss the causes and fixes for B2725 2014 GMC Sierra OBDII Code

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