Is Your GM Vehicle Plagued by Electrical Gremlins?
If you’re dealing with flickering interior lights, power windows and locks that have a mind of their own, or a security light that won’t turn off, you’re likely facing a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it malfunctions, it can cause a wide range of frustrating and unpredictable issues. This isn’t just an inconvenience; it can affect your vehicle’s security and daily operation. Restore order and reliability with our pre-programmed BCM, the direct-fit solution for your truck or van.
From the Diagnostic Bay
We had a 2002 Silverado in the shop last month with the classic symptoms. The owner was frustrated because his dome lights would stay on, draining the battery, and his key fob worked only intermittently. He’d already replaced the battery and checked fuses with no luck. After a quick scan, we pinpointed the BCM. Instead of a costly trip to the dealership for a new module and programming fees, we installed one of our VIN-programmed units. The installation was straightforward, and the moment we connected the battery, everything worked perfectly. It’s a common story, and seeing the relief on a customer’s face when their truck works like it should again is why we do this.
Common Symptoms of a Failing GM BCM
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights staying on, flickering, or not working at all.
- ✔ The security or anti-theft light is illuminated on the dash.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Inaccurate or dead gauges on the instrument cluster.
- ✔ Problems with the radio or climate control systems.
- ✔ Key fob not communicating with the vehicle.
Your Plug-and-Play Solution: The 2002-2005 Astro BCM
Don’t let a faulty module keep you off the road. This Body Control Module is a reliable, direct-fit replacement for a wide range of GM vehicles, including the Chevy Astro, Silverado, Tahoe, and GMC Sierra. The best part? We handle the programming for you. Simply provide your vehicle’s VIN during checkout, and we will flash the module with the latest GM software specific to your vehicle. This eliminates the need for expensive dealership programming, making the installation process as simple as swapping the part. This module is a direct replacement for part numbers 15063578, 15081796, 15095334, 19208537, DKAK, and DPNU.
Important Post-Installation Information
While our BCMs are designed for a straightforward installation, some vehicle systems may require a recalibration or sync procedure after the new module is installed. Please be aware of the following potential requirements:
- Airbag System Sync: If your airbag warning light is on after installation, a technician will need to perform the ‘Setup SDM Primary Key in BCM’ procedure with a professional scan tool. This syncs the airbag system with the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be necessary to ensure your brake lights and traction control system function correctly.
Always consult a factory service manual or a qualified technician for vehicle-specific procedures.
Frequently Asked Questions
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer in your vehicle that manages and controls electronic accessories like power windows, locks, lights, the security system, and the instrument panel.
Do I need to have this BCM programmed?
No. We program the module to your vehicle’s specific VIN before we ship it to you. This makes it ready for installation right out of the box, saving you a trip to the dealership.
Is this part difficult to replace?
The difficulty varies by model. On many GM trucks and vans like the Astro or Silverado, the BCM is located under the dash and is accessible with basic hand tools. We always recommend consulting a repair manual for your specific vehicle.
What information do you need from me?
After you place your order, you will need to provide us with your 17-digit Vehicle Identification Number (VIN). This is essential for us to program the module correctly for your vehicle’s options.
What if my airbag light comes on after installation?
This is a known possibility. It means the new BCM needs to be electronically introduced to the airbag system (SDM). A repair shop with a professional-grade diagnostic tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Is there a core charge for this part?
No, there is no core charge. You can keep your original module without needing to send it back to us.