2010 STS Body Control Module 25934763 | Cloning Service

Restore Full Functionality to Your Cadillac STS

As a technician with over two decades of experience, I’ve seen firsthand how a failing Body Control Module (BCM) can turn a luxury vehicle into a source of immense frustration. Your 2010 Cadillac STS is a sophisticated machine, and the BCM is its central nervous system, managing everything from your power windows and locks to the interior lights and security system. When it starts to fail, you’re not just dealing with a minor annoyance; you’re facing a cascade of unpredictable electrical problems that can make your car feel unreliable.

This isn’t just a replacement part; it’s a complete, hassle-free solution. We offer a professional Cloning Service for this BCM, part number 25934763. This means we transfer the exact data from your original, failing module to this replacement unit. The result? A true plug-and-play component that integrates seamlessly with your vehicle’s existing systems, just like the original did when it was new. You get back on the road without the exorbitant costs and scheduling headaches of a dealership visit for programming.

Common Signs of a Failing BCM

If you’re experiencing these issues, a faulty BCM is the likely culprit. A failing module can disrupt communication between various electronic systems, leading to unpredictable behavior. Look out for these tell-tale signs:

• ✔ Erratic or non-functional power windows, door locks, or mirrors.
• ✔ Interior or exterior lights staying on or not turning on at all.
• ✔ The security system acting up, or the horn honking randomly.
• ✔ The instrument cluster displaying incorrect information or warning lights.
• ✔ Key fob not being recognized, leading to starting issues.
• ✔ Communication-related Diagnostic Trouble Codes (DTCs) such as U0140, U0155, or B1001.
• ✔ Issues with the heating and A/C controls.

A Straightforward Guide to BCM Installation

Installing your replacement 2010 STS Body Control Module is a manageable task for a confident DIYer. Follow these general steps for a smooth installation. Remember, the BCM is typically located in the center dash area on the 2010 STS.

1. Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
2. Access the Module: Carefully remove the necessary dash panels to gain access to the BCM. On the STS, this is usually in the center dash. Keep track of all screws and clips.
3. Disconnect and Remove: Unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
4. Install the New Module: Mount the new, programmed BCM in the same location and securely fasten it. Reconnect all electrical connectors, ensuring they click into place.
5. Post-Installation Checks: Reconnect the battery terminal. Start the vehicle and test all body functions: lights, locks, windows, radio, etc. As noted in our procedures, a Brake Pedal Position Relearn or Airbag System Sync may be required if you see related warning lights.

Verified Vehicle Compatibility

This BCM is a direct-fit replacement for a wide range of General Motors vehicles and interchanges with multiple part numbers. Please verify your vehicle is on this list and that the part number matches. The part number is critical for ensuring compatibility.

Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.