Restore Your Vehicle’s Electrical System with a Plug-and-Play BCM

Are you battling bizarre electrical issues in your vehicle? Flickering dashboard lights, power windows with a mind of their own, or a frustrating no-start condition can often be traced back to one component: a failing Body Control Module (BCM). As the central hub for your car’s body electronics, when the BCM falters, it can create a cascade of confusing and unpredictable problems. This isn’t just an annoyance; it can be a serious safety concern. For over 20 years, I’ve seen these exact symptoms stump even seasoned mechanics, but the solution is often simpler than you think.

We take the guesswork and hassle out of the repair. This isn’t just a replacement part; it’s a complete solution. Each 2010 STS Body Control Module is professionally programmed to your vehicle’s specific Vehicle Identification Number (VIN) before it ships. This crucial step ensures that the BCM communicates perfectly with your car’s other electronic systems right out of the box, eliminating the need for an expensive trip to the dealership for programming. It’s the closest you can get to a true plug-and-play fix.

Common Signs of a Failing BCM

If your vehicle is experiencing any of the following, a faulty BCM could be the culprit. A failing module can disrupt communication between various sensors and components, leading to unpredictable behavior.

• ✔ Power locks, windows, or wipers operating erratically or not at all.
• ✔ Dashboard warning lights (like ABS, Airbag, or Security) illuminating for no reason.
• ✔ The security system preventing the vehicle from starting (anti-theft light on).
• ✔ Inconsistent or non-functional interior and exterior lighting.
• ✔ Gauges on the instrument cluster behaving erratically or not working.
• ✔ Communication-related Diagnostic Trouble Codes (DTCs), such as U0100, U0140, or other U-series codes.

A Straightforward Guide to Your BCM Installation

Replacing your 2010 STS Body Control Module is a manageable job for a confident DIYer. Our pre-programming service handles the most complex part for you. Follow these general steps for a successful installation.

1. Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait about 10-15 minutes to allow all systems to power down completely.
2. Locate the BCM: On the 2010 Cadillac STS, the BCM is typically located in the center dash area. For other models, its location can vary (e.g., under the steering column, behind the glove box). A quick search for your specific model will confirm its position.
3. Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be pressed to release. Once disconnected, unbolt or unclip the module from its mounting bracket.
4. Install the New Module: Mount your new, pre-programmed BCM in the exact same position as the old one. Securely reconnect all the electrical connectors, ensuring they click into place.
5. Reconnect the Battery: Reattach the negative battery terminal.
6. Perform Post-Install Checks: Start the vehicle and test all related functions: lights, windows, locks, and wipers. Note that some vehicles may require additional relearn procedures as detailed below.

Important Post-Installation Information

While our VIN programming handles the heavy lifting, some vehicle systems may need to be re-synchronized after the BCM is replaced. This is normal. Key procedures include:

• Airbag System Sync: If your airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system.
• Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure proper brake light and traction control operation.
• No Core Charge: You are not required to send your old part back to us. This saves you time and return shipping costs.

Disclaimer: Vehicle systems vary. Always consult a factory service manual or a qualified technician if you are unsure about any step.

Verified Vehicle Compatibility

This Body Control Module is a direct fit for a wide range of GM vehicles. It is a compatible replacement for numerous part numbers, ensuring broad application. Please verify your vehicle is on this list and that the location description matches.