Are you battling strange and frustrating electrical issues in your GMC Savana or other GM vehicle? When power windows, door locks, interior lights, or the radio start acting erratically, the cause is often a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it malfunctions, it can create a host of problems that are difficult to diagnose. Restore full functionality and reliability with our pre-programmed Body Control Module, designed for a seamless installation.
This isn’t just a replacement part; it’s a complete solution. We program the module to your vehicle’s specific Vehicle Identification Number (VIN) before it ships. This critical step ensures that the BCM communicates perfectly with your vehicle’s other systems, eliminating the need for an expensive trip to the dealership for programming. Simply install the module, perform any necessary relearn procedures, and get back on the road.
From the Diagnostic Bay
We had a 2011 Savana work van come in that was driving the owner crazy. The dome lights would stay on, the power locks would randomly cycle, and the radio would sometimes refuse to turn on. The owner had already replaced the battery and checked fuses, but the gremlins persisted. After a quick scan, we saw multiple communication codes pointing to the BCM. Instead of spending hours chasing phantom wiring shorts, we installed a VIN-programmed BCM. The moment it was connected, all the issues vanished. It’s a perfect example of how replacing the central ‘brain’ can solve a dozen smaller, confusing problems at once.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-working power windows, door locks, and mirrors.
- ✔ Interior or exterior lights staying on or not turning on at all.
- ✔ The security system or keyless entry malfunctioning.
- ✔ The radio or infotainment system behaving unpredictably.
- ✔ Dashboard warning lights appearing for no reason.
- ✔ Communication errors with diagnostic scan tools.
- ✔ Vehicle not starting due to security system confusion.
Why Choose Our Programmed Savana 1500 Body Control Module?
This module is a direct replacement for a wide range of GM part numbers, including 15921352, 25892622, 20815898, and many more as listed in the fitment data. By providing your VIN, you receive a part that is loaded with the latest GM software and configured for the specific options your vehicle was built with. This is the most reliable and efficient way to solve your BCM-related electrical issues.
Installation Note: While the physical installation is straightforward, some vehicles may require post-installation procedures. For example, if your airbag light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. Similarly, a ‘Brake Pedal Position Relearn’ may be necessary. These procedures ensure all related vehicle systems are properly synced with the new module.
Frequently Asked Questions
What does a Body Control Module (BCM) do?
The BCM is a computer that manages and controls many of your vehicle’s non-engine related electronic functions. This includes power windows, locks, lights, wipers, the security system, and the radio.
Is this BCM difficult to install?
The physical replacement is typically simple, involving unplugging the old module and plugging in the new one. However, some models may require post-installation electronic ‘relearn’ procedures for systems like the airbags or brakes, which may require a professional scan tool.
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your original module.
What happens after I place my order?
After you complete your purchase, you must provide us with your vehicle’s 17-digit VIN. We will use this to program the module with the correct software and vehicle-specific options before we ship it to you.
What if my airbag light comes on after installation?
This is a known possibility. It means the new BCM needs to be synced with the airbag system’s Sensing and Diagnostic Module (SDM). A procedure called ‘Setup SDM Primary Key in BCM’ must be performed with a compatible high-end scan tool to resolve this.