Is Your Savana 1500 Plagued by Electrical Gremlins?
If you’re dealing with flickering lights, power locks with a mind of their own, a security light that won’t turn off, or other bizarre electrical issues in your 2008-2012 GMC Savana 1500, the Body Control Module (BCM) is the most likely culprit. As a mechanic with over two decades of experience, I’ve seen how a failing BCM can turn a reliable workhorse into a source of constant frustration. It’s the central hub for your van’s body electronics, and when it goes, it takes convenience and security features with it.
Just last week, a contractor brought in his ’11 Savana 1500. The dome lights wouldn’t turn off, draining his battery overnight, and the power door locks only worked intermittently. He was worried about an expensive, time-consuming diagnostic process. We identified the BCM as the fault, and instead of a trip to the dealer, we used this exact solution. This pre-programmed BCM is the straightforward, reliable fix you need.
The Simple, Dealer-Free Solution
Forget about towing your van to a dealership and paying for expensive programming and labor. We handle the hard part for you. Simply provide us with your vehicle’s VIN during checkout, and we will program this BCM with the latest official GM software specific to your Savana 1500. It arrives at your door ready for installation, saving you time and money.
Common Symptoms of a Failing BCM:
- โ Erratic or non-functional power windows and door locks
- โ Interior or exterior lights staying on or not turning on at all
- โ The security or anti-theft system acting up or preventing the engine from starting
- โ Horn honking unexpectedly or not working
- โ Inconsistent windshield wiper operation
- โ False warning lights on the instrument cluster
Expert Pro Tip: Check for Water Intrusion First
Before you replace your BCM, take a moment to inspect the area around it for any signs of moisture or corrosion. In many GM vans and SUVs, a common point of failure is a water leak from a degraded windshield seal or a clogged cowl drain. This water can drip directly onto the BCM or its connectors, causing shorts and permanent damage. Fixing the source of the leak is critical to ensure your new module has a long service life.
Plug-and-Play Installation Guide for your 2008-2012 Savana 1500 BCM
Installing your new Body Control Module is a manageable task for a confident DIYer. Follow these steps carefully to ensure a smooth replacement.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to allow the system to fully discharge.
- Locate the BCM: In the Savana 1500, the BCM is typically located in the center dash area. You may need to remove a few dash panels for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old module and remove it.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all the electrical harnesses. Ensure they click into place.
- Reconnect Battery: Re-attach the negative battery terminal.
- Post-Installation Procedures (CRITICAL): After installation, a couple of relearn procedures are often necessary. Using a bi-directional scan tool, you must perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the BCM with the airbag system and clear the airbag light. Some vehicles may also require a ‘Brake Pedal Position Sensor Calibration’ to ensure proper brake light and stability control function.
Guaranteed Fitment & Compatibility
This Body Control Module is a direct replacement for a wide range of GM vehicles and part numbers. If your original module has any of the following numbers, this unit will work for you:
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 a Wide Range of GM Models Including: Acadia, Avalanche, Caprice, Captiva Sport, CTS, DTS, Enclave, Equinox, Escalade, Express, G8, Hummer H2, Impala, Lucerne, Monte Carlo, Outlook, Savana, SRX, STS, Suburban, Tahoe, Torrent, Traverse, Vue, Yukon, and more. Please verify the location and specific options in the fitment chart to confirm compatibility.