Restore Full Functionality to Your 2008-2012 Savana 3500 Van
If you’re a contractor, fleet manager, or small business owner, you know that a Savana 3500 isn’t just a vehicle—it’s your livelihood. When electrical gremlins start causing chaos, your entire operation can grind to a halt. One moment the power locks are failing, the next the interior lights won’t turn off, or worse, the security system prevents the van from starting. These aren’t random issues; they’re classic signs of a failing Body Control Module (BCM). This module is the central nervous system for your van’s body electronics, and when it goes, it can be incredibly frustrating. This is the reliable, straightforward solution you need to get your workhorse back on the job.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We handle the complicated part for you. Upon purchase, simply provide us with your van’s Vehicle Identification Number (VIN). Our technicians will then program this BCM with the latest, most stable software directly from GM, ensuring it’s a perfect match for your vehicle’s specific configuration. This means you can bypass the expensive trip to the dealership for programming and avoid the associated diagnostic and labor fees. For professional mechanics and savvy DIYers, this is the most efficient way to complete the repair correctly the first time.
Case Study: A Tricky Diagnosis
A local delivery company brought in their 2011 Savana 3500 with a list of bizarre complaints. The driver said the radio would randomly change stations, the dome light would flicker while driving, and sometimes the power door locks wouldn’t respond. They had already replaced the battery and checked all the fuses. In my shop, we see this pattern frequently. A scan tool showed a slew of communication errors (U-codes) pointing to the BCM. Instead of a complex wiring chase, we confirmed the BCM was the culprit. By installing a VIN-programmed module like this one, we had their van fixed and back on its delivery route the same afternoon, saving them from a costly day of downtime.
Is Your Savana Van Showing These Electrical Gremlins?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is the likely solution:
- ✔ Intermittent or non-working power windows, locks, or mirrors.
- ✔ Erratic interior or exterior lighting (flickering, staying on, or not working at all).
- ✔ Malfunctioning security system or anti-theft light that prevents the engine from starting.
- ✔ Instrument cluster warnings or gauges behaving erratically.
- ✔ Communication error codes, such as U0140, stored in the vehicle’s computer system.
- ✔ Radio or entertainment system malfunctions.
A Straightforward Installation Guide for Your Savana Van
Installing your new 2008-2012 Savana 3500 BCM is a manageable job for someone with basic mechanical skills. For the Savana/Express vans, the BCM is typically located in the center dash area.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Access the Module: You will likely need to remove parts of the center dash trim or glove box to gain access to the BCM. Keep track of all screws and clips.
- Locate and Disconnect: Identify the old BCM. Carefully press the release tabs on each electrical connector and pull them straight out. Do not force them.
- Remove the Old BCM: Unbolt or unclip the old module from its mounting bracket and remove it from the vehicle.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location. Reconnect all electrical connectors, ensuring they click securely into place.
- Final Steps: Reassemble your dashboard components and reconnect the negative battery terminal. Start the vehicle to confirm the repair.
Important Post-Installation Information
While our programming handles the critical vehicle-specific data, some GM vehicles require a final handshake between modules after installation. Be aware of these potential procedures:
- ✔ Airbag System Sync: If your airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system.
- ✔ Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure correct brake light and traction control operation.
Disclaimer: Vehicle systems can vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any step.
Verified Vehicle Compatibility
This BCM is a direct replacement for a wide range of GM vehicles and part numbers. Please verify your original part number against this list for guaranteed compatibility.
Replaces Part Numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15880684, 15921352, 15921353, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084
Fits Models Including:
AVALANCHE 1500 10
CAPRICE 11-13
CAPTIVA SPORT 12
CTS 08-13
DTS 06-11
ENCLAVE 08-12
EQUINOX 07-09
ESCALADE 10
ESCALADE ESV 10
ESCALADE EXT 10
EXPRESS 1500 VAN 08-12
EXPRESS 2500 VAN 08-12
EXPRESS 3500 VAN 08-12
G8 08-09
HUMMER H2 08-09
IMPALA 06-13
LUCERNE 06-11
MONTE CARLO 06-07
OUTLOOK 07-10
SAVANA 1500 VAN 08-12
SAVANA 2500 VAN 08-12
SAVANA 3500 VAN 08-12
SRX 07-09
STS 10
SUBURBAN 1500 10
TAHOE 10
TORRENT 07-09
TRAVERSE 09-12
VUE 08-10
YUKON 10
YUKON XL 1500 10
Frequently Asked Questions
What exactly does a Body Control Module (BCM) do?
The BCM is a computer that acts as the central hub for your vehicle’s body electronics. It controls non-engine related functions like power windows, locks, lights, wipers, the security system, and the instrument cluster. When it fails, these systems can become unreliable.
How does the VIN programming service work?
After you place your order, you’ll need to provide us with your 17-digit VIN. Our technicians use this number to access the latest GM software for your specific vehicle and load it onto the BCM before shipping. This ensures it works correctly with the options your van was built with.
Do I need to send my old BCM to you?
No, this service does not require you to send in your original module. We program a replacement unit and ship it to you. We also return your original module along with the programmed replacement, as we do not keep cores.
Is this a simple plug-and-play installation?
Because we pre-program the module to your VIN, it is as close to plug-and-play as possible. You will not need to take it to a dealer for the main programming. However, as noted, some vehicles may require a simple ‘relearn’ or ‘sync’ procedure for the airbag or brake systems, which may require a professional scan tool.
Will this fix my ‘Service Theft System’ message?
In many cases, yes. The BCM is a critical part of the Passlock/Passkey anti-theft system on GM vehicles. A faulty BCM is a very common cause of security system errors, warning messages, and no-start conditions. This programmed module will restore that functionality.