Restore Full Electrical Function to Your GM Truck or Van
Are you battling bizarre electrical gremlins in your Silverado, Sierra, Express, or Savana? Flickering lights, malfunctioning power windows and locks, or a security system that has a mind of its own are all classic 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 cascade of frustrating and seemingly unrelated issues. This replacement BCM is the definitive solution to restore your vehicle’s electronic systems to perfect working order.
From the Diagnostic Bay
We had a 2005 Silverado 2500 in the shop with a persistent ‘Service 4WD’ light and intermittent dome light failure. The owner had already replaced the 4WD switch and checked all the fuses. After connecting our scan tool, we noticed communication errors with the BCM. Instead of chasing electrical ghosts, we identified the root cause: a faulty BCM. After installing a VIN-programmed module like this one, all the electrical issues, including the phantom 4WD message, were resolved instantly. It’s a reminder that the BCM’s health is critical to many unrelated-looking systems.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, mirrors, or door locks working intermittently or not at all.
- ✔ The security system or keyless entry failing to operate correctly.
- ✔ Unexplained battery drain when the vehicle is off.
- ✔ Warning lights on the dashboard with no apparent cause.
- ✔ Horn sounding unexpectedly or not working when pressed.
Plug-and-Play Solution: Installing Your 2003-2007 Silverado BCM
Forget expensive dealership visits and complex programming procedures. We make this repair straightforward. Simply provide your vehicle’s VIN during checkout, and our technicians will program this module with the latest GM software specific to your truck or van. It arrives at your door ready for installation, with no additional programming required. This is the most efficient way to get your vehicle back to 100%. This 2003-2007 Silverado BCM is a direct-fit replacement for a wide range of GM trucks and vans, ensuring a perfect match.
Installation & Post-Install Requirements
On most Silverado and Sierra pickups, 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. While the module is VIN-programmed for your vehicle, some systems may require a relearn procedure after installation.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be necessary to ensure proper brake light and traction control operation.
Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
Compatible Part Numbers:
This module is a direct replacement for the following part numbers: 15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, 10367689.
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.
Do I need to program this module?
No. We handle all the programming for you. Simply provide your vehicle’s VIN at checkout, and the module will arrive flashed with the correct software and ready to install.
Where is the BCM located on my 2006 Silverado?
On 2003-2007 Silverado and Sierra pickups, the BCM is typically located under the dashboard on the driver’s side, near the steering column. For Express and Savana vans, it’s usually in the center dash area.
What if my airbag light comes on after I install the new BCM?
This can happen occasionally. It means the new BCM needs to be synced with your vehicle’s airbag system. A technician with a professional diagnostic tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve it.
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.