Restore Full Electrical Function to Your GMC Savana Van
Is your 2008-2012 GMC Savana 2500 experiencing bizarre and frustrating electrical issues? Problems like power windows that won’t operate, dashboard lights flickering without reason, or a security system that acts up can often be traced back to a single component: a failing Body Control Module (BCM). The BCM is the central nervous system for your van’s body electronics, managing everything from interior lighting and power locks to the instrument cluster and security features. When it starts to fail, it can cause a cascade of problems that make your vehicle unreliable and difficult to use.
This replacement Body Control Module, part number 20864767, is the definitive solution to get your workhorse van back in top operational form. We take the guesswork and dealer expense out of the equation. Before this module ships, our technicians will program it specifically to your vehicle using your VIN. This ensures that all factory settings and vehicle-specific options are correctly configured, making the installation process as straightforward as possible. You receive a part that is ready to be installed, loaded with the latest software updates from GM for optimal performance and reliability.
From the Diagnostic Bay
We had a contractor come in with his ’11 Savana 2500. His power door locks were firing randomly, even while driving, and his interior dome lights would stay on, draining the battery overnight. He was losing valuable work time dealing with a dead battery every morning. After confirming power and grounds to the BCM were good, we diagnosed a faulty module. Instead of a multi-day wait and high programming fees at the dealership, we provided him with one of our VIN-programmed BCMs. He installed it himself in under an hour, and his van was back to being the reliable tool he depends on. No more dead batteries, no more phantom locking—just a working van ready for the job site.
Common Symptoms of a Failing 2008-2012 Savana 2500 BCM
A failing BCM can manifest in numerous ways. If your vehicle is exhibiting any of the following behaviors, a faulty Body Control Module is a very likely culprit:
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Erratic behavior from the instrument cluster, such as gauges dropping to zero or warning lights flashing incorrectly.
- ✔ Interior or exterior lights (headlights, taillights, dome lights) staying on or not turning on at all.
- ✔ The vehicle’s security system engaging randomly or preventing the engine from starting.
- ✔ Remote keyless entry (key fob) not working consistently.
- ✔ Communication errors with other modules when scanned with a diagnostic tool.
- ✔ Wipers operating on their own or not working when commanded.
A Simple, Programmed Solution
Don’t let electrical gremlins sideline your vehicle. Our process is designed for simplicity and effectiveness. Simply place your order and provide us with your vehicle’s VIN. We handle the complex programming, ensuring the BCM you receive is a perfect match for your Savana’s specific configuration. This eliminates the need for expensive dealer-specific tools or additional programming fees after installation. This module is a direct replacement for a wide range of original part numbers, including 15828601, 15921352, 20864767, 22860591, 25892622, and many more listed below.
Post-Installation Procedures
While this BCM is pre-programmed for your vehicle, some GM platforms may require simple relearn procedures after installation to ensure all systems communicate correctly. These are standard procedures that a professional technician can perform quickly.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary. This syncs the new BCM with the airbag system’s Sensing and Diagnostic Module (SDM) and requires a professional scan tool.
- Brake Pedal Position Relearn: In some cases, a brake pedal position sensor recalibration may be needed to ensure proper operation of the brake lights and traction control system.
Please note: Specific requirements can vary by exact year and model. Always consult a factory service manual or a qualified technician for detailed guidance.
Frequently Asked Questions
What does a Body Control Module do on a Savana 2500?
The BCM acts as the main computer for your van’s non-engine related electronic systems. It controls functions like power windows, power door locks, the security alarm, interior and exterior lighting, wipers, and the instrument panel displays.
Why do I need to provide my VIN?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and settings your Savana 2500 was built with. This includes options like keyless entry, power sliding doors, and other specific features, ensuring a seamless integration and proper function without a trip to the dealer.
Is this a plug-and-play installation?
Because we pre-program the module to your VIN, it is as close to plug-and-play as possible. You install the part, and in most cases, the vehicle will start and run with all primary functions restored. However, as noted, some vehicles may require minor relearn procedures like an airbag sync or brake pedal sensor relearn, which can be done with a capable diagnostic tool.
What happens if the airbag light comes on after I install it?
An airbag light is a common occurrence when replacing a BCM on these GM vehicles. It simply means the new BCM needs to be electronically ‘introduced’ to the airbag module. A technician with a professional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to resolve this.
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your original module without any additional fees or hassle.