Programmed 2010 STS Body Control Module BCM 25847588

Is Your 2010 Cadillac STS Acting Possessed?

If you’re dealing with a frustrating mix of electrical gremlins—like power windows with a mind of their own, intermittent interior lights, a security system that randomly goes off, or dashboard warnings that make no sense—the problem often points to one central component: the Body Control Module (BCM). As a technician with over 20 years of experience, I’ve seen how a failing BCM can turn a luxury vehicle into a source of daily frustration. It’s the nerve center for all your car’s comfort and convenience features, and when it starts to fail, the symptoms can be baffling.

Common Symptoms of a Failing BCM:

• ✔ Erratic power windows, locks, and mirrors
• ✔ Interior or exterior lights flickering or not working at all
• ✔ False security system alarms or a “Service Theft System” message
• ✔ Key fob not responding correctly
• ✔ Unpredictable instrument cluster behavior
• ✔ Communication errors with other vehicle modules

The Direct-Fit Solution: A VIN-Programmed 2010 STS Body Control Module

Forget the expensive trip to the dealership and the hassle of coordinating programming. This Body Control Module, part number 25847588, is the definitive solution for your 2010 Cadillac STS. We take the complexity out of the repair by programming the module specifically to your vehicle’s VIN before we ship it. This ensures it has the latest GM software and is configured for all the specific options your STS came with from the factory. It’s a true plug-and-play solution designed to get you back on the road quickly and confidently.

Easy Installation to Get You Back on the Road

1. Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
2. Locate the BCM: On the 2010 STS, the Body Control Module is typically located in the center dash area. You may need to remove a lower dash panel for access.
3. Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Note their orientation. Then, unbolt the module from its mounting bracket.
4. Install the New Module: Mount your new, pre-programmed BCM in place and securely reconnect all the electrical connectors.
5. Reconnect Battery: Reattach the negative battery terminal.
6. Perform Final Steps: Proceed with the critical post-installation procedures outlined below.

CRITICAL: Post-Installation Procedures (Do Not Skip)

To ensure full functionality and safety, a couple of final steps are required after installation. These procedures sync the new BCM with your car’s other critical systems.

• Airbag System Reset: An airbag warning light is common after a BCM swap. You must perform the ‘Setup SDM Primary Key in BCM’ procedure using a compatible professional scan tool. This re-establishes the secure link between the BCM and the airbag system.
• Brake Pedal Position Sensor Relearn: Some vehicles require a recalibration of the brake pedal position sensor. If your vehicle requires this, it ensures the brake lights and stability control systems function correctly.

Note: If you are not equipped to perform these procedures, a qualified local mechanic can typically complete them for you.

Guaranteed Compatibility

This module is a direct replacement for a wide range of GM vehicles. Please verify that your original module has one of the following part numbers to ensure perfect fitment:

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