Restore Your Vehicle’s Electrical Functions and Get Back on the Road
Are you chasing down bizarre electrical gremlins in your GM truck or SUV? One minute the power windows work, the next they don’t. Maybe the radio is acting possessed, the security light is flashing for no reason, or you’re dealing with a frustrating no-start condition. As a technician with over two decades of experience, I’ve seen these exact issues hundreds of times, and they almost always point to one culprit: a failing Body Control Module (BCM).
The BCM is the central command center for your vehicle’s body electronics. When it starts to fail, it can create a cascade of confusing and unpredictable problems. This isn’t just an annoyance; it can affect safety systems and your vehicle’s reliability. This replacement Body Control Module is the definitive solution, arriving at your door pre-programmed with the latest GM software updates specifically for your vehicle’s VIN. We take the biggest headache—the programming—out of the equation for you.
A Technician’s Notebook: The Intermittent Gremlin
A customer brought in a 2010 Tahoe with a laundry list of complaints: the dome lights wouldn’t turn off, the driver’s power seat was dead, and the remote key fob worked only occasionally. They’d already replaced the battery and checked fuses. My scan tool showed a dozen communication error codes (U-codes) pointing to the BCM. Instead of spending hours on complex diagnostics that lead to the same conclusion, we installed a VIN-programmed BCM. In under an hour, every single issue was resolved. This is the smart, efficient fix that gets the job done right the first time.
Common Signs of a Failing BCM
If your vehicle is experiencing any of these symptoms, a faulty BCM is the most likely cause. Replacing your 2010 Yukon XL 1500 BCM can restore full functionality.
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Erratic interior or exterior lighting behavior (lights staying on or not turning on).
- ✔ Dashboard warning lights (like Airbag, ABS, or Security) illuminating randomly.
- ✔ Problems with the radio, climate controls, or instrument cluster.
- ✔ Remote keyless entry (fob) not working correctly.
- ✔ Unexplained battery drain leading to a dead battery.
- ✔ Communication error codes, such as U0140, U0155, or other U-series DTCs.
A Straightforward Guide to Your BCM Installation
With our pre-programming service, installing your new BCM is a manageable task. Here’s a general overview of the process:
- Provide Your VIN: After your purchase, simply send us your 17-digit Vehicle Identification Number (VIN). We’ll program the module before shipping it.
- Safety First: Always disconnect the negative battery terminal and wait a few minutes before starting work on any electronic components.
- Locate the BCM: On the 2010 Yukon XL 1500 and similar GM trucks/SUVs, the BCM is typically located under the driver’s side of the dashboard, near the steering column.
- Swap the Module: Carefully unplug the electrical connectors and remove any mounting bolts or clips holding the old BCM. Install the new module in its place and securely reconnect all connectors.
- Reconnect Power: Reattach the negative battery terminal.
- Perform Relearns: Start the vehicle. As noted in our technical information, you may need a professional scan tool to perform a ‘Setup SDM Primary Key in BCM’ if the airbag light is on, or a ‘Brake Pedal Position Relearn’ for certain models.
Will This Fit My Vehicle?
This BCM is a direct replacement for part number 15872421 and is compatible with a wide range of GM vehicles. Please verify your part number or match your vehicle from the list below. This part is a confirmed fit for the 2010 Yukon XL 1500 BCM and many others.
This module is a direct replacement for 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.
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 Body Control (BCM); RH dash
CTS 08-13 Body Control (BCM); LH 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 08-12 Body Control (BCM)
EXPRESS 3500 VAN 08-12 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 08-12 Body Control (BCM)
SAVANA 3500 VAN 08-12 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
Frequently Asked Questions
Frequently Asked Questions
Do I need to send my old BCM back?
No, there is no core charge for this module. You can keep your original part.
Is this part difficult to install myself?
For someone with basic mechanical skills, the physical swap is straightforward. The key is that we handle the programming. However, some models may require post-installation relearn procedures with a professional scan tool, as mentioned in our instructions.
What happens if I don’t provide my VIN?
We cannot ship the module until we receive your VIN. The programming is essential for the part to communicate with your vehicle’s other computers. We will contact you after your purchase to get this information.
Will this fix my airbag light?
If the airbag light is on due to a fault within the BCM, this will resolve the root cause. However, after installation, the system may need to be synced. This requires a ‘Setup SDM Primary Key in BCM’ procedure with a proper bidirectional scan tool to clear the light.
How do I know if my BCM is actually the problem?
The symptoms listed above are strong indicators. A professional diagnosis involves using a high-level scan tool to check for communication error codes (U-codes) and to monitor data from the BCM. If you see multiple, unrelated electrical issues, the BCM is the most common point of failure.