Restore Your Truck’s Brain and End Electrical Headaches
Are you dealing with baffling electrical issues in your truck? One moment the air conditioning works, the next it doesn’t. Power windows have a mind of their own, and mysterious warning lights appear on your dash. These aren’t just minor annoyances; they’re signs that your vehicle’s Body Control Module (BCM) is failing. The BCM is the central command center for your truck’s body electronics, and when it malfunctions, it can cause a cascade of frustrating problems. This genuine GM Body Control Module, programmed specifically to your truck’s VIN, is the definitive, hassle-free solution to restore full functionality and peace of mind.
Common Symptoms & Your Solution
A faulty BCM can make your reliable truck feel unpredictable. If you’re experiencing any of the following, this part is your answer:
- Intermittent or non-working HVAC and blower motor controls.
- An active Airbag warning light, often with DTC B1001.
- Power windows, door locks, or interior/exterior lights that work sporadically or not at all.
- Security system malfunctions that may prevent the truck from starting.
- Unexplained engine stalling, misfires, or poor grounding symptoms.
Instead of spending a fortune on diagnostic fees and dealership programming, this pre-programmed 2013 GMC Sierra 3500 Body Control Module arrives ready for a simple, plug-and-play installation, getting you back on the road quickly and confidently.
Features & Benefits
- ✔ Plug & Play Installation: This module is expertly programmed to your vehicle’s unique VIN. This critical step ensures it communicates perfectly with your truck’s other systems right out of the box, eliminating the need for expensive dealership programming.
- ✔ Restored Functionality: Regain complete and reliable control over all body electronics, including your lights, windows, locks, wipers, and climate control system. End the guesswork and enjoy the comfort and convenience you paid for.
- ✔ OEM-Standard Quality: Built to meet or exceed General Motors’ strict standards for performance and durability. This ensures a dependable repair for your hard-working truck, whether it’s on the job site or on a family road trip.
- ✔ Wide Compatibility: This module is a direct replacement for a range of part numbers, including 25844480, 15284816, 25835966, 20939137, and 22860591, ensuring a perfect fit for your specific model.
- ✔ Purchase with Confidence: This unit is backed by our one-year replacement warranty.
Expert Insight: The Importance of a Good Ground
From over 20 years of hands-on diagnostics, I can tell you that a surprising number of BCM-related issues are worsened or even caused by a poor ground connection. The BCM is highly sensitive to voltage fluctuations. When replacing your 2013 GMC Sierra 3500 Body Control Module, take an extra two minutes to locate the main grounding point under the dash near the module. Unbolt it, clean the contact surfaces with a wire brush until they are shiny, and re-tighten it securely. This simple step can prevent a host of future electrical gremlins and ensure your new module performs flawlessly for years to come.
Frequently Asked Questions
Is this part really plug-and-play?
Yes. We program the module to the VIN you provide during checkout. This ensures it is properly configured for your vehicle’s specific options and security systems, allowing for a straightforward installation without requiring a trip to the dealership for additional programming.
Why is my airbag light still on after installing the new BCM?
In some cases, particularly if you had an airbag-related trouble code like B1001, the new BCM needs to be synced with the vehicle’s airbag system (SDM). This requires a professional scan tool to perform the ‘Setup SDM Primary Key in BCM’ procedure. It’s a quick process for a qualified technician.
Do I need to send my old part back?
No. We do not require you to return your original module. There is no core charge associated with this part, making the process simpler and more convenient for you.
How can I be sure the BCM is the cause of my problems?
The symptoms listed above are strong indicators of a failing BCM. If your vehicle is experiencing multiple, seemingly unrelated electrical issues in areas controlled by the BCM (lights, locks, windows, HVAC), it is the most likely culprit. A diagnostic scan for B-series (Body) trouble codes can also help confirm the diagnosis.
Will this fit vehicles other than a 2013 GMC Sierra 3500?
Absolutely. This BCM is compatible with a wide range of 2007-2013 GM trucks and SUVs, including the Chevrolet Silverado, Tahoe, Suburban, Avalanche, GMC Yukon, and Cadillac Escalade. Please verify the part number or use our fitment tool to ensure it’s the correct module for your specific vehicle.
By choosing the correct, pre-programmed 2013 GMC Sierra 3500 Body Control Module, you are not just buying a part; you are investing in a reliable and permanent solution to your vehicle’s electrical frustrations.