Is Your Truck Plagued by Bizarre Electrical Problems?
Are you chasing down flickering lights, a malfunctioning climate control system, or power windows with a mind of their own in your GM truck or SUV? These frustrating, seemingly random issues often point to one central culprit: a failing Body Control Module (BCM). This pre-programmed GM 25844480 BCM is the definitive, plug-and-play solution to restore order and get your vehicle’s essential electronics working in perfect harmony again. Stop guessing and replace the part that controls it all.
Common Symptoms & Your Solution
A faulty BCM can wreak havoc on your vehicle’s systems. If you’re experiencing any of the following, this module is the reliable fix you need. It’s specifically programmed to address these common failures and associated Diagnostic Trouble Codes (DTCs) like B1001.
- Intermittent or total loss of HVAC and blower motor controls
- Power windows, door locks, or exterior/interior lights not working correctly
- Airbag warning light illuminated on the dash
- Security system malfunctions, causing no-start or stalling conditions
- Erratic wiper operation or other accessory failures
Features & Benefits
- ✔ VIN-Programmed for Your Truck: This module arrives pre-flashed with your vehicle’s specific VIN and the latest GM software. This eliminates the need for expensive dealership programming, making for a true plug-and-play installation.
- ✔ Restore Full Functionality: Get your lights, locks, windows, security system, and climate controls operating exactly as they should. This module re-establishes stable communication between your vehicle’s electronic systems.
- ✔ Engineered for Durability: Built to strict OEM standards, this BCM is designed to withstand the demanding conditions of a work truck or daily-driven SUV, ensuring long-term reliability.
- ✔ Direct-Fit Replacement: This unit is a direct replacement for a wide range of original part numbers, including 15901388, 25835966, 20939137, and 22860591. Check the fitment list to confirm compatibility.
- ✔ No Core Charge Required: Save time and hassle. You are not required to return your old, faulty module, making the replacement process faster and more convenient.
- ✔ Warranty Protection: This unit is backed by our one-year replacement warranty.
From the Technician’s Bench…
“I’ve seen countless Silverado and Sierra trucks come into the shop with a laundry list of seemingly unrelated electrical problems. The owner is frustrated, having already checked fuses and relays. Nine times out of ten, the culprit is a failing BCM. The logic inside gets scrambled, causing chaos. Swapping in a VIN-programmed module like this isn’t just a repair; it’s like hitting a factory reset button for the truck’s body electronics. It solves the root cause, saving hours of diagnostic headaches and preventing repeat issues down the road.”
Frequently Asked Questions
Do I need to take my truck to the dealership for programming?
No. This Body Control Module comes pre-programmed to your vehicle’s VIN. It is ready for installation right out of the box, saving you the time and expense of a dealership visit.
Where is the BCM located on my 2013 Silverado 3500?
The BCM is typically located under the driver’s side dashboard, near the steering column. Installation is straightforward and usually takes less than 15 minutes with basic hand tools.
My airbag light is on after installation. What should I do?
In some cases, the new BCM needs to be synced with the airbag system’s SDM (Sensing and Diagnostic Module). This requires a ‘Setup SDM Primary Key in BCM’ procedure, which can be performed with a professional-grade diagnostic scan tool. This is only necessary if the airbag light appears after the swap.
Is this a new or used part?
This is a genuine OEM-standard module that has been meticulously inspected and programmed with the latest software to ensure it meets or exceeds original performance specifications for your vehicle.
How do I know for sure that my BCM is bad?
While a professional diagnosis is always best, common signs of a failing BCM include multiple, unrelated electrical issues happening at once, such as power locks, windows, lights, and HVAC all malfunctioning. Specific trouble codes related to body functions also strongly indicate a faulty BCM.
Will this fit my 2011 GMC Sierra 2500?
Yes, this module is compatible with a wide range of 2007-2013 GM trucks and SUVs, including the GMC Sierra 2500. We recommend cross-referencing your original part number and checking the full compatibility list on this page to ensure a perfect fit.