Restore Your Van’s Core Electrical Functions
If your 2008-2012 Savana 1500 Van is starting to feel haunted by electrical gremlins—flickering lights, malfunctioning power locks, or a security system that has a mind of its own—you’re likely dealing with a failing Body Control Module (BCM). As the central command center for your vehicle’s body electronics, a faulty BCM can cause a cascade of frustrating and unpredictable problems. Instead of spending a fortune at the dealership, get the reliable, direct-fit solution that arrives ready for installation.
This isn’t just a part in a box. This is a complete solution. We take the hassle out of the repair by programming this BCM specifically to your van’s Vehicle Identification Number (VIN) before we ship it. This ensures seamless integration with your vehicle’s existing systems and loads the latest GM software updates for optimal performance. You get a part that’s ready to go, saving you from expensive specialty tools and programming fees.
Case Study: A Tricky Diagnosis
A local contractor brought his 2011 Savana 2500 into my shop, completely fed up. His interior dome lights would stay on, draining the battery overnight, and the power door locks only worked intermittently. He’d already replaced the battery and checked all the fuses. After connecting my scan tool, I saw several U-codes (communication errors) pointing to the BCM. Instead of a complex rewiring job, we swapped in a VIN-programmed BCM. The problems vanished instantly. It’s a common failure point I’ve seen hundreds of times; corrosion on the BCM pins or internal circuit board failure from years of heat cycles is the typical culprit.
Is Your Savana Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your Body Control Module needs attention:
- ✔ Erratic or non-functional power windows, mirrors, or door locks.
- ✔ Interior or exterior lights that flicker, stay on, or don’t work at all.
- ✔ The security system or keyless entry failing to operate correctly.
- ✔ The horn sounding randomly or not working when pressed.
- ✔ Dashboard warning lights (like the airbag or security light) illuminating for no reason.
- ✔ Communication error codes, such as U0140, U0155, or other U-series DTCs.
- ✔ Wipers behaving erratically or not parking in the correct position.
A Straightforward Guide to Installation
For the 2008-2012 Savana Van, the BCM is typically located in the center dash area, making it accessible for a DIYer with basic tools. Follow these general steps for a successful replacement:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 15 minutes to allow capacitors to discharge.
- Access the Module: Carefully remove the dash panels required to access the BCM. On most Savana vans, this involves removing trim pieces around the center console or glove box area. Keep track of your screws.
- Disconnect and Remove: Identify the BCM. Carefully unplug the electrical connectors. Most have a locking tab that needs to be depressed or lifted. Once disconnected, unbolt the old module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in the exact same location. Reconnect all the electrical connectors, ensuring they click securely into place.
- Reassemble and Test: Reinstall the dash panels you removed. Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—lights, locks, windows, wipers, etc.—to confirm the repair.
Important Post-Installation Notes
While this module is programmed for your VIN, some vehicle systems may require a ‘handshake’ procedure after installation. Be aware of the following possibilities:
- Airbag System Sync: If your airbag warning light is on after the swap, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the airbag system with the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be necessary to ensure brake lights and traction control function correctly.
Disclaimer: These are general guidelines. Always refer to a factory service manual for your specific vehicle for detailed instructions and torque specs.
Verified Vehicle Compatibility
This Body Control Module is a direct replacement for part number 15299986 and is interchangeable with a wide range of other GM part numbers. It is guaranteed to fit the following models, among others:
- 2008-2012 GMC Savana 1500 / 2500 / 3500 Van
- 2008-2012 Chevrolet Express 1500 / 2500 / 3500 Van
- 2007-2012 GMC Acadia
- 2006-2013 Chevrolet Impala
- 2007-2009 Chevrolet Equinox & Pontiac Torrent
- 2010 Chevrolet Tahoe & GMC Yukon (verify ID)
- 2008-2009 Hummer H2
- …and many more models listed in the fitment chart. Please verify your part number or contact us with your VIN to confirm compatibility.
Frequently Asked Questions
Do I need to do any programming myself?
No. We handle all the programming before shipping. We flash the module with the latest GM software using the VIN you provide at checkout, so it’s ready for installation right out of the box.
Is this a plug-and-play part?
Yes, for the most part. The module is programmed to your vehicle’s options. However, as with any BCM replacement, some vehicles may require a simple relearn procedure for the security system or a sync procedure for the airbag system, which may require a capable scan tool.
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer in your vehicle that controls and monitors most of the non-engine related electronic accessories. This includes power windows, locks, lights, wipers, the security system, and more.
Do I need to send my old part back?
No, there is no core charge for this part. You can keep your original module.
Where do I provide my VIN?
After you complete your purchase, you will need to send us a message with your 17-digit VIN. We cannot program and ship your BCM without it.