Tired of Your Vehicle’s Mysterious Electrical Problems?
Are you dealing with flickering interior lights, power windows that have a mind of their own, or a security light that won’t turn off? These frustrating and seemingly random electrical gremlins often point to one culprit: a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can cause widespread chaos, making your car or truck unreliable and annoying to drive. This GM Body Control Module is the definitive, hassle-free solution to restore order and get your vehicle operating as it should.
A Technician’s Notebook: The 2011 Tahoe with a Ghost
I remember a 2011 Chevy Tahoe rolling into my bay that had other mechanics scratching their heads. The owner reported intermittent no-start conditions, the radio would sometimes go dead, and the power locks would cycle randomly while driving. No check engine light was on, but a full scan revealed a slew of U-codes (communication errors) pointing to a network failure. Instead of chasing individual components, my experience pointed straight to the network’s traffic controller: the BCM. After swapping in a VIN-programmed module like this one, every single ghost in the machine vanished. It’s a classic failure I’ve seen hundreds of times on these GM platforms.
Is Your Vehicle Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s highly likely this module is your solution:
- ✔ Erratic or non-functional power windows, door locks, and interior/exterior lights.
- ✔ The security or anti-theft system light stays on, preventing the engine from starting.
- ✔ Dashboard gauges behaving incorrectly or not working at all.
- ✔ The horn sounding unexpectedly or not working when pressed.
- ✔ Remote keyless entry (RKE) system failure.
- ✔ Communication error codes stored, such as U0140, U0155, or other U-series codes.
The Smart Solution: Pre-Programmed for You
The biggest hurdle in replacing a BCM has always been the expensive and time-consuming programming required at a dealership. We eliminate that step entirely. When you order from us, you simply provide your vehicle’s VIN, and we flash this GM Body Control Module with the latest, most stable software direct from GM. It arrives at your door ready for installation, saving you time, money, and a trip to the service center. Plus, with our no-core-charge policy, you can keep your old part without any extra fees or hassle.
A Straightforward Guide to BCM Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before beginning work.
- ✔ Locate the BCM: On most of these GM vehicles, the BCM is located under the driver’s side of the dashboard, often to the left of the steering column or in the center dash area. Consult a vehicle-specific guide if you’re unsure.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- ✔ Install the New Module: Mount your new, pre-programmed BCM in the same location and securely re-attach all electrical connectors. You should hear a ‘click’ as they lock into place.
- ✔ Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘ON’ position (without starting) and test functions like lights, windows, and locks to ensure they are working correctly.
- ✔ Perform Relearn Procedures: Depending on your specific model, you may need to perform additional steps. If your airbag light is on, a professional scan tool is needed for the “Setup SDM Primary Key in BCM” procedure. A Brake Pedal Position relearn might also be necessary for proper brake light and traction control operation.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of General Motors vehicles. Please verify your part number or match your vehicle from the list below. This part is interchangeable with 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, and 95151084.
Note: Specific options and IDs may apply. Please check the original description for detailed fitment.
Frequently Asked Questions
GM Body Control Module
How does the VIN programming work?
After you purchase, you’ll need to send us your 17-digit Vehicle Identification Number (VIN). We use this to load the exact software and calibrations for your specific vehicle onto the before shipping it.