Is Your GM Truck or SUV Plagued by Electrical Gremlins?
If you’re dealing with flickering lights, unpredictable power windows, a haywire security system, or other strange electrical issues in your 2002-2005 GM vehicle, a failing Body Control Module (BCM) is the most likely culprit. The BCM is the central command center for your vehicle’s body electronics, and when it starts to fail, it can cause a cascade of frustrating and difficult-to-diagnose problems. Stop chasing symptoms and replace the core component with our reliable, VIN-programmed BCM.
Common Symptoms of a Failing GM BCM
- ✔ Erratic or non-functional power windows, mirrors, and door locks.
- ✔ Instrument cluster gauges behaving abnormally or lights flickering.
- ✔ The ‘Security’ light stays on, or the vehicle won’t start due to anti-theft issues.
- ✔ Interior dome lights or exterior lights (headlights, taillights) not working correctly.
- ✔ Climate control (A/C and heater) system malfunctions.
- ✔ Diagnostic Trouble Codes (DTCs) indicating a loss of communication with the BCM.
- ✔ Intermittent issues that seem to have no clear cause.
Why Choose Our Programmed GM BCM 15063578?
This isn’t just a replacement part; it’s a complete solution. We take the hassle out of the repair by pre-programming this GM BCM 15063578 to your vehicle’s specific Vehicle Identification Number (VIN) before it ships. This means no expensive trips to the dealership for programming. It arrives ready for installation, loaded with the latest GM software updates to ensure optimal performance and longevity. This module is a direct replacement for part numbers 15063578, 15081796, 15095334, 19208537, DKAK, and DPNU, guaranteeing a perfect fit and function for a wide range of GM trucks and vans.
Important Post-Installation Information
While this module is designed for a straightforward installation, some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following potential procedures:
- Airbag System Sync: If your airbag warning light is illuminated after installation, a technician will need to perform the ‘Setup SDM Primary Key in BCM’ procedure with a professional scan tool. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure proper operation of the brake lights and traction control system.
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Frequently Asked Questions
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer in your vehicle that controls and monitors various electronic accessories, such as power windows, locks, lights, wipers, and the security system. It’s the brain for your vehicle’s comfort and convenience features.
Is this part truly plug-and-play?
Yes, for most functions. We program it to your VIN, so it’s ready to be installed without needing a dealership visit for initial programming. However, as noted, some secondary systems like the airbag module may require a simple relearn procedure with a scan tool.
How do I provide my VIN for programming?
After you complete your purchase, you will receive instructions on how to send us your 17-digit VIN. We cannot ship your order until we receive your VIN, as the programming is essential for the part to work in your vehicle.
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 your vehicle’s Sensing and Diagnostic Module (SDM). A qualified mechanic with a high-level scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Do I need to return my old BCM?
No. This product has no core charge. You can keep your original module, which can be helpful for double-checking part numbers or for any other diagnostic purposes.