Is Your Savana 3500 Plagued by Electrical Gremlins?
As a mechanic with over two decades of experience, I’ve seen it all when it comes to work vans. A 2011 Savana 3500 came into my shop last month with a list of bizarre symptoms: the dome lights wouldn’t turn off, the power locks worked intermittently, and the radio would randomly shut down. The owner, a contractor, was losing time and money. After confirming the battery and grounds were solid, my diagnostic scanner pointed straight to a failing Body Control Module (BCM). This module is the nerve center for your van’s interior electronics, and when it fails, chaos ensues. If you’re experiencing similar issues, you’ve found the solution.
The Simple, Reliable Fix: Programmed and Ready to Install
Don’t waste time and money at a dealership. This Body Control Module arrives at your door pre-programmed with the latest GM software, specifically matched to your van’s VIN. We take care of the complex part, so you can get your vehicle back in service quickly. This isn’t just a replacement part; it’s a direct solution that restores the functionality you depend on every day.
Expert Pro Tip: Check for Water Intrusion Before You Install
Before plugging in your new BCM, take five minutes to inspect the area around the module’s mounting location (typically the center dash area in these vans) for any signs of water staining or corrosion. In my shop, I’ve diagnosed dozens of BCM failures caused by a slow, unnoticed leak from a windshield seal or A-pillar. A quick visual check can prevent a repeat failure and save you a major headache down the road.
Symptoms of a Failing 2008–2012 SAVANA 3500 Body Control Module
A faulty BCM can manifest in numerous ways. If you’re noticing any of the following, it’s a strong indicator that your module needs replacement:
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights staying on or not working at all.
- ✔ Instrument cluster gauges behaving strangely or warning lights appearing for no reason.
- ✔ The security system preventing the van from starting (Passlock issues).
- ✔ Intermittent operation of the radio or HVAC controls.
- ✔ Communication error codes stored when checked with a scan tool.
Simple Installation and Required Relearn Procedures
Replacing the BCM is a straightforward job, but requires a few critical follow-up steps to ensure all systems communicate correctly. You will need a capable bi-directional scan tool to complete the process.
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Locate the BCM: On the 2008-2012 Savana, the BCM is typically located in the center dash area. You may need to remove a few dash panels for access.
- Swap the Module: Carefully unplug the electrical connectors from the old BCM and remove it from its mounting bracket. Install the new, pre-programmed module in its place and reconnect all connectors securely.
- Reconnect Battery: Re-attach the negative battery terminal.
- Critical Relearns (Scan Tool Required): After installation, you MUST perform two key procedures. Failure to do so will result in warning lights and potential system malfunctions.
- Airbag System: Perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the BCM with the airbag module and clear the airbag warning light.
- Brake System: Some vehicles require a ‘Brake Pedal Position Sensor Calibration’ to ensure proper brake light and stability control function.
Guaranteed Compatibility
This module is a direct replacement for a wide range of GM vehicles and part numbers. Simply provide your VIN at checkout, and we’ll ensure it’s programmed perfectly for your specific application. This module is compatible with 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.