Restore Your Van’s Reliability and Functionality
Is your 2008-2012 GMC Savana 1500 acting like it’s haunted? One minute the power windows work, the next they don’t. The security light flashes for no reason, or worse, the van intermittently refuses to start. These frustrating and unpredictable electrical gremlins are classic signs of a failing Body Control Module (BCM). As a technician with over two decades of experience, I’ve seen these symptoms countless times. The BCM is the central nervous system for your vehicle’s body electronics, and when it fails, it creates chaos.
Don’t let a faulty module keep your work van off the road or make your family vehicle unreliable. This isn’t just a replacement part; it’s a complete, hassle-free solution. We provide a high-quality BCM that is professionally programmed to your vehicle’s specific VIN before it ships. This means no expensive trips to the dealership for programming. You get a part that’s ready for installation right out of the box, restoring the function of your power accessories and security system and getting you back on the road with confidence.
A Technician’s Notebook: The Case of the Wandering Work Van
A local contractor brought his 2011 Express van into my shop, completely fed up. His complaint list was long: the dome lights would stay on, the radio would randomly shut off, and his power door locks had a mind of their own. He’d already replaced the battery and checked all the fuses. Another shop told him it might be the ignition switch. After connecting my scan tool, I noticed several ‘U’ codes, indicating a loss of communication between various modules. This pointed me directly to the central hub: the BCM. We installed a VIN-programmed BCM, and instantly, all the bizarre electrical issues vanished. It’s a perfect example of how a single failing component can cause a cascade of confusing problems, and why a reliable 2008-2012 Savana 1500 BCM is the correct fix.
Common Signs of a Failing BCM
- â Intermittent or non-working power windows, door locks, or mirrors.
- â Erratic interior or exterior lighting (e.g., lights staying on or not turning on).
- â The vehicle’s security or anti-theft light is illuminated or flashing, potentially causing a no-start condition.
- â Wipers behaving erratically or not working at all.
- â Diagnostic Trouble Codes (DTCs) related to lost communication, such as U0140, U0155, or U0164.
- â False warnings on the instrument cluster (e.g., ‘door ajar’ when all doors are closed).
A Straightforward Guide to BCM Installation
- â Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow capacitors to discharge before beginning work.
- â Locate the BCM: On most Savana and Express vans, the BCM is located in the center dash area. You will likely need to remove some dash trim panels to gain access. For other models, it may be under the steering column or on the left side of the dash.
- â Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that must be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket and remove it from the vehicle.
- â Install the New Module: Mount your new, pre-programmed BCM into the bracket and securely plug in all the electrical connectors. You should hear a ‘click’ as they lock into place.
- â Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘ON’ position (without starting the engine) and test the functions controlled by the BCMâwindows, locks, lights, etc.âto ensure proper operation.
- â Perform Relearn Procedures: If necessary, perform any required post-installation procedures as outlined below. The most common are for the airbag system and brake pedal position sensor.
Important Post-Installation Note: In some cases, additional steps are required after installation. The ‘Setup SDM Primary Key in BCM’ procedure may be needed if the airbag light is on, and a ‘Brake Pedal Position Relearn’ might be necessary. These procedures require a professional-grade scan tool. Your original module will always be returned to you with your order.
Verified Vehicle Compatibility
This Body Control Module is a direct replacement for part number 15093910 and is compatible with a wide range of GM vehicles. Please verify your part number or contact us with your VIN to confirm fitment. This part fits the following models, among others:
- 2008-2012 GMC Savana 1500 Van
- 2008-2012 Chevrolet Express 1500/2500/3500 Van
- 2007-2012 GMC Acadia
- 2007-2009 Chevrolet Equinox & Pontiac Torrent
- 2006-2013 Chevrolet Impala
- 2010 Chevrolet Tahoe, Suburban 1500, Avalanche 1500
- 2010 Cadillac Escalade, ESV, EXT
- 2008-2013 Cadillac CTS
- 2006-2011 Cadillac DTS & Buick Lucerne
…and many more models listed in the fitment data. Cross-references part numbers: 15299986, 20815898, 22860591, 25892622, and others.
How does the VIN programming service work?
After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN. Our technicians will then program the BCM with the latest GM software specific to your vehicle’s configuration. This ensures the module communicates correctly with your van’s other systems, making installation much simpler.
Is this a plug-and-play part?
Because we program it to your VIN, it is as close to plug-and-play as possible. It eliminates the need for dealer programming. However, as with many modern electronic repairs, some vehicles may require a simple relearn procedure (like for the brake pedal sensor) or an airbag system sync, which requires a capable scan tool.
Will this fix my specific electrical problem?
This module is the direct solution for issues caused by a failed BCM. The symptoms listed above are the most common indicators. If you’re unsure, we recommend having a professional mechanic diagnose the issue to confirm the BCM is the source of the problem before ordering.
Do I need to return my old BCM?
No core charge or return is necessary. Our service is a cloning service where we transfer the necessary data to the new unit. We always return your original module along with the newly programmed replacement unit.
What if my part number isn’t listed?
The provided list of part numbers is extensive. If your number is not on the list but your vehicle model is, please contact us with your VIN. We can verify compatibility for you to ensure you receive the correct part for your 2008-2012 Savana 1500 BCM repair.