Restore Your Truck’s Electrical System and Drive with Confidence
Are you battling frustrating electrical issues in your GM truck or SUV? One moment the A/C works, the next it doesn’t. Power windows have a mind of their own, and mysterious warning lights keep popping up on your dash. These aren’t just minor annoyances; they’re symptoms of a failing Body Control Module (BCM), the central command center for your vehicle’s body electronics. This genuine quality GM BCM, interchangeable with part number 25844480, is the definitive, hassle-free solution to restore order and get your vehicle operating exactly as it should.
Common Symptoms & Your Solution
A faulty BCM can wreak havoc on your vehicle, leading to a cascade of confusing problems. If you’re experiencing any of the following, this module is the fix you need:
- Intermittent or complete loss of HVAC and blower motor controls.
- An illuminated airbag warning light, often with Diagnostic Trouble Code (DTC) B1001.
- Power windows, door locks, or interior/exterior lights that work sporadically or not at all.
- Security system malfunctions that may prevent the vehicle from starting.
- Unexplained stalling, engine misfires, or poor grounding symptoms.
Instead of spending hundreds at a dealership for diagnostics and programming, this VIN Programmed GM Body Control Module arrives at your door ready for a simple, plug-and-play installation.
Features & Benefits
- ✔ Ready to Install, No Dealer Needed: We pre-program this module to your vehicle’s specific VIN using the latest GM software. This ensures perfect communication between modules right out of the box, saving you time and the high cost of dealership programming.
- ✔ Restores Full Functionality: Get your power accessories back in working order. This BCM restores reliable control over your lights, locks, windows, wipers, security system, and climate controls.
- ✔ Solves Annoying Warning Lights: Specifically addresses common DTCs like B1001 related to the airbag system (SDM communication) and other body function codes, clearing your dash of persistent alerts.
- ✔ OEM-Grade Reliability: Engineered to meet or exceed original equipment standards for a durable, long-lasting repair you can count on, whether you’re on the job site or on a family road trip. This is the quality you expect for your GM vehicle.
- ✔ Wide Compatibility: This module is a direct replacement for a range of part numbers, including 15926094, 25835966, 20939137, 22860591, and more, making it the right fit for dozens of GM models.
- ✔ Warranty Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
As a technician, I’ve seen countless vehicle owners buy a used BCM online only to find it doesn’t work. Why? Because on modern GM trucks, the BCM is not a simple swap. It’s coded specifically to the VIN to communicate with the Engine Control Module, Airbag Module (SDM), and other systems. Without proper programming, you’ll have feature mismatches or, worse, a vehicle that won’t start. Our service eliminates that entire headache. By providing your VIN at checkout, you receive a VIN Programmed GM Body Control Module that is truly plug-and-play, just like installing an OEM part at the dealer, but without the cost and inconvenience.
Frequently Asked Questions
What does a Body Control Module do on my Chevy or GMC?
The BCM acts as the central hub for your vehicle’s body electronics. It controls non-engine related functions like your interior and exterior lights, power windows and locks, security system, wipers, and HVAC climate controls. When it fails, these systems can become erratic or stop working altogether.
Why do you need my VIN number?
We require your Vehicle Identification Number (VIN) to pre-program the module with your vehicle’s specific software and factory options. This crucial step ensures the BCM communicates correctly with all other modules in your truck, making the installation seamless and preventing compatibility issues.
Is this BCM difficult to install myself?
For most DIYers, this is a straightforward job. The BCM is typically located under the driver’s side dashboard near the steering column. The physical swap usually takes less than 10 minutes with basic tools. Because we pre-program it, no complex computer work is needed from you.
What is the ‘SDM key update’ and will I need to perform it?
In some cases, after installing the new BCM, the airbag warning light may remain on. This requires a ‘Setup SDM Primary Key in BCM’ procedure using a professional-grade scan tool. This syncs the new BCM with the airbag system. It’s only necessary if the light appears after installation and is a simple procedure for any qualified mechanic.
Will this fix my airbag light with code B1001?
Yes, DTC B1001 (Option Configuration Error) is a very common code indicating a communication or configuration problem with the BCM. A new, correctly programmed VIN Programmed GM Body Control Module is the specific remedy for this issue.
Is there a core charge for my old part?
No, there is no core charge. You can keep your old module, saving you the time and hassle of shipping a part back.