Programmed 2013 GMC Sierra 3500 Body Control Module | 25835966

Fix Your Sierra’s Electrical Gremlins

Get your truck back to 100% with this OEM-quality, VIN-programmed 2013 GMC Sierra 3500 Body Control Module. It directly replaces part 25835966 and others, solving issues with lights, locks, and HVAC systems. Pre-programmed for a fast, plug-and-play installation. Order today to restore your truck’s reliability.

$224.95

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Availability: In stock



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Restore Your Truck’s Electrical System to Perfect Working Order

Are frustrating electrical issues making your 2013 GMC Sierra 3500 feel unreliable? Randomly failing power windows, a malfunctioning HVAC system, or persistent warning lights can disrupt your workday and diminish your confidence in your truck. This genuine GM Body Control Module (BCM), pre-programmed to your vehicle’s specific VIN, is the definitive solution to restore full functionality and get your heavy-duty truck back to peak performance without a costly trip to the dealership.

Common Symptoms & Your Solution

A failing BCM is the central cause of many perplexing electrical problems. If you’re experiencing any of the following, this module is the fix you need:

  • Intermittent or complete loss of climate controls (HVAC) and blower motor function.
  • Power windows, door locks, or exterior/interior lights that don’t work correctly.
  • An active airbag warning light, often accompanied by Diagnostic Trouble Code (DTC) B1001.
  • Security system faults that can lead to stalling, misfires, or no-start conditions.
  • A variety of other body-related DTCs that point to a communication breakdown.

By replacing your old unit with this professionally programmed 2013 GMC Sierra 3500 Body Control Module, you are directly addressing the root cause, not just the symptoms. It re-establishes clear communication between your truck’s essential electronic systems for seamless operation.

Features & Benefits

  • โœ” Plug-and-Play Installation: This module arrives pre-programmed to your truck’s VIN. Simply install it, and you’re ready to goโ€”no additional dealership programming is required, saving you significant time and money.
  • โœ” Restored Functionality: Regain complete and reliable control over your lights, windows, locks, wipers, and climate system. Eliminate the guesswork and frustration of intermittent electrical failures.
  • โœ” OEM-Quality Reliability: Built to strict General Motors standards, this module ensures dependable, long-term performance, whether you’re on the job site or the open road. It’s the right part to get the job done correctly.
  • โœ” Hassle-Free Process: No core charge is required. You can keep your old part without the inconvenience of packaging and returning it.
  • โœ” Guaranteed Peace of Mind: This unit is backed by our one-year replacement warranty.

Expert Insight: The Power of Proper Programming

From over two decades of hands-on diagnostics, I can tell you that improper programming is the #1 reason for a failed BCM replacement. A generic, non-programmed module simply won’t work. Our process ensures this 2013 GMC Sierra 3500 Body Control Module is loaded with the latest GM software specific to your VIN. This not only guarantees it works out of the box but also helps resolve complex issues like the infamous airbag DTC B1001. We also recommend checking the main ground connection during installationโ€”a poor ground can mimic BCM failure and cause recurring problems.

Don’t let electrical gremlins compromise the dependability of your truck. This precisely engineered 2013 GMC Sierra 3500 Body Control Module is the most efficient and reliable way to restore your vehicle’s systems. Order now and experience the difference a perfectly matched component makes.

Frequently Asked Questions

What does a Body Control Module do on my Sierra 3500?

The BCM acts as the central computer for your truck’s body electronics. It manages non-engine related functions like your interior and exterior lights, power windows and locks, security system, wipers, and the HVAC climate control system.

Is this part difficult to install?

The physical installation is straightforward for most DIYers. The BCM is typically located under the driver’s side dashboard near the steering column and can often be swapped in under 5 minutes. The key benefit of our module is that the complex programming is already done for you.

Why is VIN programming so important?

VIN programming loads the module with the specific software and settings for your truck’s exact features and options. Without it, the BCM cannot communicate correctly with other vehicle systems, and most functions will not work. Our pre-programming makes it a true plug-and-play part.

Will I need any special tools after installation?

In most cases, no. However, if you have an active airbag warning light (often with code B1001), you may need to perform an ‘SDM key update’ or ‘Setup SDM Primary Key in BCM’ procedure using a professional-grade scan tool to sync the new BCM with the airbag system.

What happens if I don’t replace a failing BCM?

Ignoring a failing BCM can lead to worsening electrical problems. What starts as a minor annoyance, like a flickering light, can escalate to major issues, including security system malfunctions that could prevent your truck from starting, leaving you stranded.

Does this module fit other vehicles?

Yes, this BCM is compatible with a wide range of 2007-2013 GM trucks and SUVs, including various Silverado, Suburban, Tahoe, Yukon, and Escalade models. It is a direct replacement for multiple part numbers, including 25835966, 25971916, and 22860591.

Genuine OEM

Yes

Year

Condition

Refurbished

Model

SIERRA 3500

Make

Year

2008

Brand

CHEVROLET TRUCK

Warranty

1 Year

Interchange part number

MPN

25835966

Manufacturer Part Number

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