Restore Your Vehicle’s Electrical System with a Reliable BCM
Are you battling bizarre electrical issues in your vehicle? Flickering lights, malfunctioning power windows, a security system that has a mind of its own, or even a no-start condition can all point to a single, central culprit: a failing Body Control Module (BCM). As the nerve center for your car’s body electronics, a faulty BCM can cause a cascade of frustrating and unpredictable problems. This isn’t just an inconvenience; it can be a serious safety concern. Stop guessing and replacing unrelated parts. This replacement BCM is the definitive solution to get your vehicle back to 100% operational condition.
The Easiest BCM Replacement: Our Cloning Service
Forget expensive dealership visits and the hassle of programming. We offer a straightforward Cloning Service that makes this repair accessible to everyone. Here’s how it works: you send us your vehicle’s original BCM. We then transfer its exact data—including security information, key programming, and specific options—to this replacement unit. We also flash it with the latest GM software updates for optimal performance. The module you receive back is a true plug-and-play solution, perfectly matched to your car. Just provide your VIN at checkout for verification, and we’ll handle the rest. This is the most efficient way to install a replacement 2010 STS Body Control Module.
A Technician’s Notebook: The Case of the Haunted Impala
A few months back, a 2011 Impala was towed into my bay with a list of symptoms that sounded like something out of a horror movie. The owner said the horn would randomly go off, the interior lights would flicker while driving, and sometimes the car just wouldn’t start. He had already replaced the battery and alternator to no avail. After hooking up my scan tool, I saw a slew of communication error codes (U-codes), all pointing to a network problem. The key was a specific code, U0140 – Lost Communication With Body Control Module. In my 20+ years of experience, when you see that many unrelated electrical gremlins combined with a U0140, the BCM is the prime suspect over 90% of the time. We performed a cloning service onto a replacement BCM, and the car was back to normal the same day. No more random horns, no more flickering—just a happy customer who avoided a massive diagnostic bill at the dealership.
Common Signs of a Failing GM BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system or alarm acting up, preventing the car from starting.
- ✔ Dashboard warning lights appearing for no reason (e.g., ABS, Airbag, Traction Control).
- ✔ Intermittent no-start or no-crank conditions.
- ✔ Diagnostic Trouble Codes (DTCs) such as U0140, U0155, or B1001 stored in the system.
- ✔ Horn honking unexpectedly or not working when pressed.
Your Straightforward BCM Installation Guide
- ✔ Step 1: Safety First. Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Step 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 from under the steering column to behind the dash panel (refer to the fitment list below).
- ✔ Step 3: Remove the Old Module. Carefully disconnect the electrical connectors. They have locking tabs that must be depressed to be removed. Unbolt or unclip the module from its mounting bracket.
- ✔ Step 4: Install the New Module. Mount your new, cloned BCM in the same position as the original. Reconnect all electrical harnesses firmly until they click into place.
- ✔ Step 5: Reconnect and Test. Reconnect the negative battery terminal. Start the vehicle and test all body functions—windows, locks, lights, horn, etc.—to confirm the repair was successful.
Important Post-Installation Information
While our cloning service makes this a near plug-and-play repair, some vehicle systems may require a final handshake. Be aware of these potential procedures:
- Airbag System Sync: If the airbag light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the modules and clears the light.
- Brake Pedal Position Relearn: On certain models, a brake pedal position sensor relearn might be necessary to ensure correct brake light operation and to satisfy the traction control system.
Disclaimer: Vehicle systems vary. For procedures specific to your exact make and model, consulting a factory service manual or a certified technician is always the best practice.
Verified Vehicle Compatibility List
This module is a direct replacement for part number 15828601 and interchanges with a wide range of other part numbers. Please verify your part number or match your vehicle from the list below. This unit fits the following models:
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
CAPRICE 11-13 Body Control (BCM)
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435, 20921436, or 22860591
CTS 08-13 Body Control (BCM); LH dash
CTS 08 Body Control (BCM); RH dash
DTS 06-11 Body Control (BCM); (RH center dash)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EQUINOX 07-09 Body Control (BCM); (center dash)
ESCALADE 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 08-09 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 4.8L, 6.0L, or 6.6L (VIN 6)
EXPRESS 2500 VAN 11-12 Body Control (BCM)
EXPRESS 3500 VAN 08-09 Body Control (BCM); (center dash)
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 4.8L, 6.0L, or 6.6L (VIN 6)
EXPRESS 3500 VAN 11-12 Body Control (BCM)
G8 08-09 Body Control (BCM); (center dash)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
IMPALA 06-12 Body Control (BCM); (LH dash)
IMPALA 13 Body Control (BCM); (LH dash), ID 22820315
LUCERNE 06-11 Body Control (BCM); (right side dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
SAVANA 2500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 4.8L, 6.0L, or 6.6L (VIN 6)
SAVANA 2500 VAN 11-12 Body Control (BCM); (center dash)
SAVANA 3500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 4.8L, 6.0L, or 6.6L (VIN 6)
SAVANA 3500 VAN 11-12 Body Control (BCM)
SRX 07-09 Body Control (BCM); LH dash
STS 10 Body Control (BCM); center dash
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
TORRENT 07-09 Body Control (BCM); (center dash)
TRAVERSE 09-12 Body Control (BCM); (LH dash)
VUE 08-10 Body Control (BCM); (center dash)
YUKON 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
This module also fits part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 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
Frequently Asked Questions
What is a ‘cloning service’?
Cloning is a process where we transfer the complete software profile from your original BCM to the replacement unit. This includes VIN, security data, and vehicle-specific options, which means you won’t need to have the module programmed by a dealer after installation.
Do I need to send my original BCM to you?
Yes. For the cloning service to work, we need your original module to extract the necessary data. We will return your original module along with the newly programmed replacement.
Why do you need my VIN if you are cloning my module?
We use your VIN to verify that the part you’ve ordered is correct for your vehicle and to load the latest factory software updates from GM before we perform the cloning process. It’s a critical quality control step.
What if my original BCM is completely dead or ‘fried’?
In many cases, even if the BCM has failed, the memory chip containing the data is still readable. If for some reason we cannot retrieve the data, we will contact you to discuss other programming options.
Is this a difficult part for a DIY mechanic to replace?
Physically replacing the BCM is generally straightforward for someone with basic mechanical skills. The main difficulty is typically the programming, which our cloning service completely eliminates, making it an excellent DIY-friendly repair.