Are you battling frustrating electrical gremlins in your truck? A faulty Body Control Module (BCM) is often the culprit behind a cascade of issues, from malfunctioning lights and power accessories to confusing warning messages on your dash. This genuine OEM-quality BCM, equivalent to part number 25844480 and a direct replacement for 15940214, is the definitive solution for restoring your vehicle’s electronic systems. As the central command center for your truck’s body electronics, a functioning BCM is critical for everyday operation.
We take the guesswork and dealership hassle out of the repair by pre-programming this module to your vehicle’s specific VIN. This ensures that when you receive it, it’s ready for a straightforward, plug-and-play installation. Get your truck back to full operational health and eliminate those persistent electrical problems with a reliable, VIN-programmed module.
Symptoms of a Failing GM Body Control Module
- ✔️ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔️ Interior or exterior lights (headlights, taillights, dome lights) staying on, flickering, or failing to work.
- ✔️ HVAC system problems, such as an unresponsive blower motor or incorrect temperature control.
- ✔️ An active security system light or the vehicle failing to start due to anti-theft issues.
- ✔️ An airbag warning light on the dash, often accompanied by DTC B1001.
- ✔️ Unexplained battery drain while the vehicle is off.
Key Features of this Silverado 3500 Body Control Module
- ✔️ Plug & Play Installation: This module arrives pre-programmed to your truck’s VIN. No expensive trips to the dealership for coding are required.
- ✔️ Restores Full Functionality: Corrects common electrical failures and clears related diagnostic trouble codes (DTCs), restoring control over your vehicle’s accessories.
- ✔️ OEM-Standard Quality: Built to meet or exceed original equipment specifications for dependable, long-lasting performance and reliability.
- ✔️ Broad Compatibility: Interchangeable with a wide range of part numbers, including 25835966, 15263363, 15943678, 15926094, 25790508, 20939137, and 22860591, ensuring a perfect fit for many GM trucks and SUVs.
- ✔️ No Core Charge: Keep your old part. There’s no core charge or need to return your faulty module, saving you time and money.
Installation is typically quick, located under the driver’s side dashboard. While most functions will work immediately, please note that if your original issue was an airbag light, a post-installation ‘Setup SDM Primary Key’ procedure may be needed using a professional scan tool to sync the new BCM with the airbag system. This is a simple step for any qualified technician.
Frequently Asked Questions
What does a Body Control Module do?
The BCM acts as the central computer for your vehicle’s body electronics. It controls non-engine related functions like power windows, locks, lights, wipers, the security system, and the HVAC system.
Is this module difficult to install?
No, the physical installation is straightforward. The BCM is typically located under the steering column and is held in by a few clips or bolts. Since we program it to your VIN, the electronic setup is plug-and-play, eliminating the need for dealership programming.
Will this BCM fix my airbag light with code B1001?
A faulty BCM is a very common cause of the B1001 code and an illuminated airbag light. Replacing it often resolves the issue, but you may need to perform an ‘SDM Key Setup’ with a compatible scan tool after installation to fully sync the new module with the airbag system and clear the light.
My part number is slightly different. Will this still work?
This module replaces a large number of original GM part numbers. Please check the interchange list provided on this page. As long as your original part number is listed, this module will be a compatible, direct-fit replacement.
Do I need to return my old BCM?
No, there is absolutely no core charge for this part. You can keep your old module without any extra fees or hassle.