Restore Full Electronic Control to Your GM Vehicle
Is your GMC Savana, Chevy Express, or other GM vehicle experiencing a host of strange and frustrating electrical issues? Flickering lights, malfunctioning power windows and locks, or a security system that acts on its own are often not separate problems, but symptoms of a single failing component: the Body Control Module (BCM). The BCM acts as the central hub for your vehicle’s body electronics, coordinating everything from your interior lights and power accessories to your anti-theft system. When it fails, it can create a cascade of seemingly unrelated problems, making diagnosis a nightmare.
This replacement Body Control Module is the definitive solution to restore your vehicle’s electronic systems to perfect working order. We take the guesswork and hassle out of the replacement process. Unlike a generic module from a parts store, this unit is professionally programmed specifically for your vehicle using your VIN. This means it arrives at your door ready for installation, loaded with the latest GM factory software updates, saving you a costly trip to the dealership for programming.
From the Diagnostic Bay
We once had a 2011 Express work van come in that was driving the owner crazy. The dome lights would randomly turn on while driving, the power door locks worked intermittently, and the radio would sometimes refuse to turn off after the key was removed. The owner had already replaced the battery and checked all the fuses. After connecting our diagnostic tool, we saw multiple communication errors pointing towards the BCM. Instead of a dozen small issues, it was one central failure. We installed a VIN-programmed BCM, and instantly, all the phantom electrical gremlins vanished. It’s a perfect example of how this single module can restore sanity to a vehicle’s complex electronic systems.
Is Your Vehicle Showing These Symptoms?
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not turning on at all.
- ✔ Erratic behavior from the security system or keyless entry.
- ✔ Instrument panel warning lights appearing without a clear cause.
- ✔ Radio or climate control systems malfunctioning.
- ✔ A ‘Service Theft System’ or similar message on the dash.
- ✔ Battery drain caused by components not shutting down correctly.
Why Choose Our Savana 3500 Body Control Module?
Getting your vehicle back on the road shouldn’t be complicated. Our process is designed for simplicity and reliability. This module is a direct replacement for a wide range of original equipment part numbers, ensuring broad compatibility. The key benefit is our VIN-programming service. When you provide your vehicle’s VIN at checkout, our technicians flash the module with the precise software and calibration files for your specific make, model, and options. This ensures seamless integration and proper function of all related systems right out of the box. Plus, with no core charge, you don’t have to worry about the cost and hassle of sending your old, faulty part back.
Installation and Post-Install Procedures
Installation is straightforward for those with mechanical experience. The BCM is typically located under the dashboard on the driver’s or passenger’s side. After disconnecting the battery, you simply unplug the electrical connectors from the old module, unbolt it, and install the new one in its place. While our programming handles the majority of the setup, some vehicles may require additional steps:
- Airbag System Sync: In some cases, if the airbag warning light illuminates after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional-grade scan tool to sync the new BCM with the airbag system.
- Brake Pedal Position Relearn: Certain models may require a brake pedal position sensor relearn to ensure correct operation of the brake lights and stability control systems. This is also performed with a capable diagnostic tool.
Always consult a factory service manual or a qualified technician for vehicle-specific instructions.
Wide Range of Compatibility
This BCM is a direct replacement for numerous part numbers and fits a wide variety of GM trucks, vans, and SUVs. It is a compatible replacement for part numbers including: 15819552, 10382479, 15093910, 15828601, 15921352, 20815898, 22860591, 25892622, and many more. Please verify your original part number to ensure proper fitment for your vehicle.
Frequently Asked Questions
What does a Body Control Module (BCM) do?
The BCM is a computer in your vehicle that controls and monitors many of its non-engine-related electronic functions. This includes power windows, locks, lights, wipers, the security system, and more. It’s the command center for passenger comfort and convenience features.
Do I need to program this module?
No. We handle the programming for you before shipment. Simply provide us with your vehicle’s VIN during or after your purchase, and we will flash the module with the correct software for your specific vehicle configuration. This makes the installation process much simpler.
Is this BCM difficult to install?
For someone with moderate DIY automotive repair experience, the physical installation is typically not difficult. It usually involves removing a few dash panels to access the module, disconnecting the battery, swapping the electrical connectors, and bolting the new unit in place. The most complex part, programming, is already done for you.
What is a VIN and where do I find it?
The VIN (Vehicle Identification Number) is a unique 17-digit code for your vehicle. You can find it on the driver’s side of the dashboard (visible through the windshield), on the driver’s side door jamb sticker, or on your vehicle’s registration and insurance documents.
Will this fix my specific electrical problem?
If your vehicle is exhibiting multiple symptoms listed above, a failing BCM is a very likely culprit. This module is designed to correct these common BCM-related failures. However, proper diagnosis is always recommended to rule out other issues like wiring faults or faulty switches.