Is Your Savana 2500 Plagued by Electrical Gremlins?
If you’re dealing with flickering lights, power windows and locks that have a mind of their own, or a battery that’s constantly dying, the problem often points directly to a failing Body Control Module (BCM). As the central command for your van’s electronics, when the BCM starts to go, it can cause a cascade of frustrating and seemingly unrelated issues. For a work vehicle like the Savana, this isn’t just an annoyanceโit’s downtime that costs you money.
A customer’s 2011 Savana 2500 came into my shop last week with these exact symptoms. The driver was convinced he had a bad battery or alternator because it would be dead every other morning. After testing the charging system, we traced it to a parasitic draw. The BCM wasn’t properly shutting down the interior courtesy lights, leading to a slow drain overnight. Replacing the BCM solved the draw and all the other quirky electrical problems he’d been ignoring.
The Direct Solution: A VIN-Programmed 2008-2012 Savana 2500 BCM
This isn’t just a replacement part; it’s a complete solution. We take a genuine GM module and program it specifically to your van’s Vehicle Identification Number (VIN) before it ships. This crucial step loads the latest GM software and ensures the module communicates perfectly with your vehicle’s existing components right out of the box, eliminating the need for an expensive trip to the dealership for programming.
- โ Fix Common Failures: Puts an end to erratic power locks, windows, interior/exterior lighting issues, and intermittent no-start conditions related to the security system.
- โ VIN Programmed for Your Van: Arrives ready for installation with the latest software updates from GM, matched to your specific vehicle options.
- โ Eliminate Parasitic Drains: A faulty BCM is a common cause of battery drain. This replacement ensures all systems power down correctly.
- โ Broad Compatibility: This module is a direct replacement for a wide range of part numbers, ensuring you get the correct component. See the list below for full compatibility.
Easy Installation Guide
For the 2008-2012 Savana 2500, the BCM is located in the center of the dash. While straightforward, take your time and follow these steps.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Access the Module: You will need to remove the necessary dash trim panels to gain access to the BCM. It is typically mounted to a bracket in the center dash area.
- Disconnect and Remove: Carefully unplug the electrical connectors. Most have a locking tab that needs to be depressed. Once disconnected, unbolt the old BCM from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM and securely reconnect all electrical harnesses. Ensure they click into place.
- Reconnect Battery: Reattach the negative battery terminal.
Expert Pro Tip: Post-Installation Procedures Required
Installing a new BCM is more than just a physical swap. To ensure full functionality and safety, two critical procedures must be performed with a professional-grade diagnostic scan tool:
- Setup SDM Primary Key: Your airbag system (SDM) is linked to the BCM. After replacement, you MUST perform the ‘Setup SDM Primary Key in BCM’ procedure to re-establish this link and turn off the airbag warning light.
- Brake Pedal Position Sensor Calibration: On many GM vehicles, the BCM replacement requires a recalibration of the brake pedal position sensor to ensure proper brake light operation and stability control function.
Failure to perform these steps can result in warning lights and compromised safety systems. If you do not have the proper equipment, a qualified technician must complete the installation.
This Part is a Direct Fit For Your Vehicle
This Body Control Module is guaranteed to fit your 2008-2012 Savana 2500 and is also the correct replacement for a wide variety of other GM vehicles. It interchanges with the following 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.