Are you battling frustrating electrical gremlins in your GMC Savana or other GM vehicle? Issues like flickering lights, malfunctioning power windows and locks, or a security system that acts up on its own are often signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it starts to fail, it can cause a wide range of confusing and intermittent problems. Restore full functionality and peace of mind with our professionally programmed replacement BCM.
This isn’t just a part in a box. We take the hassle out of the repair by programming the module specifically to your vehicle’s VIN before it ships. This critical step ensures compatibility with your vehicle’s specific options and systems, eliminating the need for an expensive trip to the dealership for programming. Simply provide your VIN at checkout, and we’ll handle the rest, sending you a part that’s ready for installation.
From the Diagnostic Bay
We had a 2011 Express work van come in that was driving the owner crazy. The dome lights would stay on, draining the battery overnight, and the power door locks worked only when they wanted to. The driver’s side window was also stuck down. After checking the basics, we hooked up the scan tool and found multiple communication errors with the BCM. Instead of a complicated diagnostic chase, we installed one of our pre-programmed modules. In under an hour, all the electrical functions were back to normal, and the van was back on the road making money for its owner. This is a common story, and a pre-programmed module is the fastest path to a reliable fix.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or won’t turn on at all.
- ✔ Erratic or non-functional dashboard gauges and warning lights (like the security light).
- ✔ The vehicle’s security system preventing the engine from starting.
- ✔ Problems with the radio or climate control systems.
- ✔ A battery that drains overnight for no apparent reason.
Why Choose Our Programmed Savana 3500 Body Control Module?
This unit is a direct-fit replacement for a wide range of GM vehicles, including the 2008-2012 Savana 3500 Van. It is a reliable solution that addresses the common failure points of the original module. By having it programmed to your VIN, you are ensuring that it communicates perfectly with the other modules in your vehicle, like the Engine Control Module (ECM) and Transmission Control Module (TCM). This is a crucial step for a successful and lasting repair.
Post-Installation Information
While our programming handles the heavy lifting, some vehicles may require simple ‘relearn’ or ‘synchronization’ procedures after installation. These are typically straightforward and may include:
- Airbag System Sync: If your airbag warning light is on after installation, a professional scan tool may be 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 might be necessary to ensure correct brake light and traction control operation.
Please consult a factory service manual or a qualified technician for vehicle-specific procedures.
Frequently Asked Questions
What does the Body Control Module (BCM) do?
The BCM is a computer that acts as the central hub for your vehicle’s body electronics. It controls non-engine related functions like power windows, locks, lights, wipers, security system, and more.
Do I need to program this module?
No! This BCM comes fully programmed to your vehicle’s specific VIN. Just provide us with your VIN during or after checkout, and we’ll flash the module with the latest GM software before shipping it to you.
Is this part difficult to install?
Installation is generally straightforward for someone with basic mechanical skills. The BCM is typically located under the dashboard. However, as noted, some minor post-installation relearn procedures may be required depending on your exact model.
How do I give you my VIN?
You can add your vehicle’s 17-digit VIN to the notes section at checkout, or simply reply to your order confirmation email with the information. We cannot ship the part until we have your VIN to program it.
My original part number is on the list, but it’s not 15948438. Will this work?
Yes. The part numbers listed are all interchangeable. We will program this module to function correctly for your vehicle, regardless of which of the compatible part numbers was originally installed.