Restore Your Cadillac’s Electrical System with a Reliable, Programmed BCM
If you’re dealing with bizarre electrical gremlins in your 2010 Cadillac STS—like power windows with a mind of their own, flickering interior lights, or a security system that won’t cooperate—you’ve likely pinpointed the culprit: a failing Body Control Module (BCM). As the central command for your vehicle’s comfort and convenience features, a faulty BCM can turn your driving experience into a constant frustration. This isn’t just about annoyance; it can affect critical systems like your exterior lighting and anti-theft deterrents.
This is a direct-fit replacement Body Control Module, arriving at your door fully programmed to your vehicle’s specific VIN. We handle all the complex software flashing before we ship, which means you can skip the expensive trip to the dealership and avoid their programming fees. Just provide us with your VIN after purchase, and we’ll ensure this module integrates seamlessly with your Cadillac’s existing systems. It’s the most efficient and cost-effective solution to get your car back to normal.
A Technician’s Notebook: The Ghost in the Machine
I remember a 2010 Cadillac STS that came into my bay with a list of symptoms that sounded like a haunting. The radio would change stations randomly, the dome light would stay on for hours, and the key fob worked only intermittently. The owner had already replaced the battery and checked all the fuses. After connecting my scan tool, I saw a flurry of U-codes (communication errors) pointing to the BCM. Instead of a complex wiring chase, we installed a VIN-programmed BCM. The moment we connected the battery, all the ‘ghosts’ vanished. It was a 30-minute fix that saved the customer hundreds in diagnostic time and dealership fees.
Common Signs of a Failing GM BCM
A failing BCM can manifest in numerous ways, often creating confusing and intermittent issues. If your vehicle is showing these signs, your BCM is the likely cause. In my shop, I’ve seen these modules fail due to voltage spikes or internal circuit board issues, often setting codes like U0140 (Lost Communication With Body Control Module).
- ✔ Erratic or non-functional power windows, locks, and mirrors.
- ✔ Interior or exterior lights that won’t turn on or off.
- ✔ Malfunctioning windshield wipers or horn.
- ✔ False alarms from the security system or a car that won’t start.
- ✔ Warning lights on the dashboard, such as for the airbag or brake system.
- ✔ Key fobs that stop working correctly.
Your Straightforward BCM Installation Guide
Installing your new 2010 STS Body Control Module is a manageable job for a confident DIYer. The BCM is typically located in the center dash area. Always consult a service manual for precise location and torque specs.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait a few minutes for the system to discharge completely.
- Locate the BCM: Access the BCM, which on the 2010 STS is found in the center dash. This may require removing some trim panels.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Note their orientation. Then, unbolt the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in place and securely reconnect all electrical connectors.
- Reconnect Power: Re-attach the negative battery terminal.
- Perform Final Checks: Start the vehicle and test all body functions—windows, locks, lights, wipers, etc. Note that some vehicles may require the post-installation procedures detailed below.
Post-Installation Requirements
While we program the module to your VIN, some vehicle systems require a ‘handshake’ with the new BCM after installation. This is normal. If you encounter the following, these relearn procedures may be necessary:
- Airbag System Sync: If the airbag light is on, 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, this recalibration might be required to ensure proper brake light and traction control operation.
Verified Fitment for Your GM Vehicle
This BCM is a direct replacement for a wide range of General Motors vehicles and interchanges with multiple part numbers. Please confirm your vehicle is on this list and that your original part number is listed below. Supplying your VIN ensures we send the correctly programmed part for your specific options.
This module replaces the following 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
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
EXPRESS 3500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
IMPALA 06-12 Body Control (BCM); (LH dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
ACADIA 07-12 Body Control (BCM); (LH dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
TAHOE 10 Body Control (BCM); (under steering column), ID 25892622
TRAVERSE 09-12 Body Control (BCM); (LH dash)
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
YUKON 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 2500 VAN 11-12 Body Control (BCM); (center dash)
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 22860591
DTS 06-11 Body Control (BCM); (RH center dash)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 11-12 Body Control (BCM)
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
STS 10 Body Control (BCM); center dash
SAVANA 3500 VAN 08-09 Body Control (BCM); (center dash)
TORRENT 07-09 Body Control (BCM); (center dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898
CTS 08-13 Body Control (BCM); LH dash
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921436
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 6.0L
G8 08-09 Body Control (BCM); (center dash)
IMPALA 13 Body Control (BCM); (LH dash), ID 22820315
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
YUKON 10 Body Control (BCM); (under steering column), ID 20815898
ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622
LUCERNE 06-11 Body Control (BCM); (right side dash)
CTS 08 Body Control (BCM); RH dash
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 4.8L
SAVANA 2500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 4.8L
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.0L
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE 10 Body Control (BCM); (under steering column), ID 20815898
SRX 07-09 Body Control (BCM); LH dash
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898
EXPRESS 3500 VAN 11-12 Body Control (BCM)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
SAVANA 3500 VAN 11-12 Body Control (BCM)
VUE 08-10 Body Control (BCM); (center dash)
CAPRICE 11-13 Body Control (BCM)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EXPRESS 2500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
Frequently Asked Questions About This 2010 STS Body Control Module
Frequently Asked Questions
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your original module.
How do I provide my VIN for programming?
After you complete your purchase, you will need to send us a message with your vehicle’s 17-digit VIN. We cannot ship the module until we have this information to program it correctly.
Is this a difficult part to install myself?
For someone with moderate mechanical skill, it’s a very manageable job. The main challenge is typically accessing the module’s location within the dashboard. The installation itself is just a few bolts and connectors.
What tools are needed for the post-installation procedures?
The Airbag System Sync and Brake Pedal Position Relearn procedures require a professional-grade bidirectional scan tool. Many independent repair shops have this equipment if you are not able to perform the procedures yourself.
Will this fix my specific electrical problem?
This module will resolve issues directly caused by a faulty BCM. If you’re experiencing symptoms like erratic lights, locks, or windows, and have ruled out fuses or wiring, a failing BCM is the most common cause.