Is Your GM Truck or SUV Experiencing Electrical Gremlins?
If you’re dealing with bizarre and frustrating electrical issues like flickering dashboard lights, power windows with a mind of their own, or a security system that randomly prevents your vehicle from starting, the root cause is often a failing Body Control Module (BCM). The BCM acts as the central command center for your vehicle’s body electronics, and when it starts to fail, it can create a host of confusing problems. This replacement module is the definitive solution to restore your vehicle’s electronic systems to factory-perfect operation.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Dashboard warning lights (like the security or airbag light) illuminating for no reason.
- ✔ The anti-theft system preventing the engine from starting (Passlock/Passkey issues).
- ✔ Interior dome lights or exterior lights not working correctly.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ Communication errors with diagnostic scan tools.
Why Choose Our Programmed 2002 Sierra 1500 BCM?
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle and high cost out of the repair process. Forget about towing your vehicle to a dealership for expensive programming. We flash this module with the latest GM-certified software, specifically matched to your vehicle’s VIN. This ensures seamless integration and proper function of all your vehicle’s features right out of the box. Our process is simple:
- Place Your Order: Add this item to your cart and complete the checkout.
- Provide Your VIN: After your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN.
- We Program It: Our technicians will program the BCM to match your exact vehicle configuration.
- Install and Go: We ship the module to you, ready for installation.
Important Post-Installation Information
While this BCM is programmed for your vehicle, some models may require minor post-installation procedures with a professional diagnostic tool:
- 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 to sync the modules. This is only required if the light appears.
- Brake Pedal Position Relearn: On some vehicles, a brake pedal position sensor recalibration may be needed to ensure correct brake light and traction control operation.
Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
Fitment and Part Numbers
This module is a direct replacement for the following part numbers: 15063578, 15081796, 15095334, 19208537, DKAK, DPNU. It fits a wide range of 2002-2005 GM vehicles, including the Sierra, Silverado, Tahoe, Yukon, Suburban, Avalanche, Astro, Safari, Blazer, and S10/Sonoma. Please verify your part number before ordering to ensure compatibility.
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 such as power windows, locks, lights, the security system, and the horn.
Is this part difficult to install?
The physical installation is typically straightforward, involving unplugging the old module and plugging in the new one. It’s often located under the steering column or in the center dash. The main benefit of our service is that the complex programming is already done for you.
Do I need to send you my old BCM?
No, there is no core charge for this part. You can keep your original module.
What happens if the airbag light comes on after installation?
This indicates the new BCM needs to be electronically ‘introduced’ to the airbag system’s computer (SDM). A repair shop with a high-level scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to resolve this.
How do I provide my VIN number?
After you complete your purchase, we will contact you with simple instructions on how to reply with your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive it.