Are you battling frustrating electrical problems in your GM truck or van? Flickering lights, malfunctioning power windows and locks, or a security system that prevents your vehicle from starting are all common signs of a failing Body Control Module (BCM). The BCM acts as the central hub for your vehicle’s body electronics, and when it fails, it can cause a wide range of confusing and intermittent issues. This replacement BCM is the definitive solution for your 2003-2007 Chevrolet Silverado, GMC Sierra, and other compatible GM vehicles.
We make the repair process simple. This isn’t just a part in a box; it’s a complete, ready-to-install solution. Upon purchase, you provide us with your vehicle’s VIN, and we will program the module with the latest GM software specific to your truck or van. This critical step ensures compatibility and proper function, saving you the time, cost, and hassle of a trip to the dealership for programming.
From the Diagnostic Bay
We had a 2005 Silverado 2500 in the shop that was driving the owner crazy. The dome lights would stay on, the radio would randomly shut off, and worst of all, it would occasionally refuse to start, just displaying a ‘Security’ light on the dash. The battery and alternator checked out fine. After tracing the wiring, we pinpointed the issue to an internal fault in the BCM. Instead of a costly dealer visit, we installed a VIN-programmed Silverado Sierra BCM like this one. The installation was straightforward, and all the strange electrical gremlins were gone instantly. The customer was back on the road the same day, problem solved.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional interior/exterior lights
- ✔ Power windows, door locks, or mirrors not working
- ✔ Horn honking unexpectedly or not working at all
- ✔ Vehicle security system (Passlock/VATS) faults causing a no-start condition
- ✔ Inaccurate or dead gauges on the instrument cluster
- ✔ ‘Service Airbag’ or other warning lights on the dash
- ✔ Communication errors with other vehicle modules
Your Plug-and-Play Repair Solution
This module is a direct replacement for a wide range of GM trucks and vans, eliminating the guesswork. It is compatible with multiple original equipment part numbers, including: 15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, and 10367689. By ordering this pre-programmed Silverado Sierra BCM, you are getting a reliable part that is ready for installation right out of the box, restoring your vehicle’s full functionality.
Post-Installation Requirements
While our VIN programming handles the majority of the setup, some vehicles may require additional steps after the BCM is installed. These are simple procedures for a qualified technician with a professional scan tool.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary to sync the airbag system with the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure correct brake light operation and stability control function.
Please note: Specific procedures can vary. Always consult a factory service manual or a qualified technician for guidance.
Frequently Asked Questions
Is this BCM truly plug-and-play?
Yes, for the most part. We program it to your vehicle’s VIN before shipping, which handles the critical security and options setup. In some cases, minor relearn procedures, like for the airbag or brake pedal sensor, may be needed after installation.
How do I provide my VIN number?
You can add your 17-digit VIN to the notes section during checkout. If you forget, we will contact you via email after your purchase to request it. We cannot ship the module until we have your VIN.
Where is the BCM located on my 2004 Silverado?
On most 2003-2007 Silverado and Sierra pickups (excluding Crew Cabs), the BCM is located under the driver’s side of the dashboard, near the steering column. On Express and Savana vans, it is typically found in the center of the dash.
Do I need to send my old BCM back?
No. This part is sold without a core charge, so you can keep your original module.
Will this fix my intermittent no-start problem?
If your no-start issue is caused by the factory security system (Passlock) due to a failing BCM, then this pre-programmed module is designed to resolve that problem.