Experiencing Baffling Electrical Problems in Your GM Truck?
If your 2007-2011 GMC Sierra 1500, or a similar GM truck or SUV, is suffering from strange electrical issues, a failing Body Control Module (BCM) is the most likely cause. The BCM is the central command center for your vehicle’s body electronics. When it malfunctions, it can lead to a cascade of frustrating problems, from flickering lights and a dead instrument cluster to a vehicle that won’t start. This VIN-programmed BCM, equivalent to part number 25844480 and interchangeable with 15263497, is the definitive solution to restore your truck’s full functionality.
Symptoms of a Failing Sierra 1500 Body Control Module
A faulty BCM can manifest in numerous ways. If you’re noticing any of the following, it’s time to consider a replacement:
- ✔ Unresponsive or erratic power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or don’t work at all.
- ✔ Malfunctioning HVAC controls, including a blower motor that’s stuck on or won’t turn on.
- ✔ An illuminated airbag warning light, often with Diagnostic Trouble Code (DTC) B1001.
- ✔ Security system issues, causing no-start conditions or random alarm activation.
- ✔ Inaccurate fuel gauge readings or other instrument cluster glitches.
- ✔ Communication errors with other vehicle modules, leading to a variety of DTCs.
This replacement Sierra 1500 Body Control Module is engineered to OEM specifications to resolve these issues permanently. We pre-program the module to your vehicle’s specific VIN, ensuring it works perfectly right out of the box. This eliminates the need for expensive and time-consuming programming at a dealership, making it a true plug-and-play repair.
Frequently Asked Questions
What does a Body Control Module do on a GMC Sierra?
The BCM acts as the central computer for your truck’s body electronics. It controls non-engine related functions like your lights, power windows, security system, door locks, wipers, and climate control system.
Will this BCM need to be programmed by a dealer?
No. We pre-program the module to your vehicle’s VIN before shipping. This ensures it is ready for immediate installation and operation, saving you a trip to the dealership.
Where is the BCM located on a 2009 Sierra 1500?
The BCM is typically located inside the cabin, under the driver’s side of the dashboard, near the steering column. Installation usually takes just a few minutes with basic hand tools.
What if the airbag light is on after I install the new BCM?
If the airbag light remains on, you may need to perform a ‘Setup SDM Primary Key in BCM’ procedure. This requires a professional-grade scan tool and syncs the new BCM with your vehicle’s airbag system.
Is this a new part?
This is an OEM-quality, fully tested part that is guaranteed to perform to factory standards. It is backed by our one-year warranty for your peace of mind.
Do I need to return my old BCM?
No, there is no core charge for this part. You can keep or dispose of your old module without any hassle.