Restore Your Vehicle’s Electrical System with a Plug-and-Play BCM
Are you chasing electrical gremlins in your GM vehicle? Flickering dash lights, power windows with a mind of their own, or strange warning messages can all point to one culprit: a failing Body Control Module (BCM). As the central computer for your car’s comfort and security features, a faulty BCM can make driving a frustrating experience. This isn’t just an inconvenience; it can affect vehicle security and safety systems. Forget expensive dealership diagnostics and programming fees. We offer a reliable, cost-effective solution.
This Body Control Module is professionally flashed with the latest GM-certified software, specifically matched to your vehicle’s VIN. This means it arrives at your door ready for installation, saving you time, money, and a trip to the service center. It’s the definitive fix for restoring the seamless operation you expect from your vehicle.
A Technician’s Notebook: The Haunted Impala
I remember a 2009 Chevy Impala that came into my bay with a list of symptoms that sounded like a prank. The radio would change stations on its own, the dome light would flicker at random, and the remote key fob worked only occasionally. The owner had already replaced the battery and checked all the fuses. After connecting my scan tool, I saw a slew of communication error codes (U-codes) pointing to a network issue. In my 20+ years of experience, these ghost-like problems almost always lead back to the BCM. The internal circuitry fails, causing data corruption on the vehicle’s network. We installed a pre-programmed GM Body Control Module 15880684, and just like that, the haunting was over. Every function returned to normal, saving the customer hundreds compared to the dealership’s quote.
Common Signs of a Failing BCM
If your vehicle is experiencing these issues, a faulty BCM is the likely cause. Replacing it can resolve persistent problems and prevent further electrical complications.
- ✔ Power windows, locks, or mirrors behaving erratically or not working at all.
- ✔ Instrument cluster gauges dropping to zero, flickering, or providing incorrect readings.
- ✔ The security or anti-theft system light stays on, preventing the car from starting.
- ✔ Interior or exterior lights (headlights, taillights) not functioning correctly.
- ✔ Diagnostic Trouble Codes (DTCs) related to communication loss, such as U0140, U0155, or other U-codes.
- ✔ Remote keyless entry fails to work consistently.
A Straightforward Guide to Installation
Replacing your BCM is a manageable job for a DIYer with basic tools. Our pre-programmed module makes the process much simpler.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before starting work.
- Locate the BCM: On most compatible models, the BCM is located under the driver’s or passenger’s side of the dashboard, or in the center console area. A quick search for your specific model will confirm its location.
- 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 old module and remove it.
- Install the New Module: Mount your new, pre-programmed GM Body Control Module 15880684 in the same position. Securely reconnect all the electrical connectors, ensuring they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—windows, locks, lights, and wipers—to ensure they are working correctly.
- Perform Relearn Procedures: Depending on your vehicle, you may need to perform additional steps. If the airbag light is on, an ‘Airbag System Sync’ is required. A ‘Brake Pedal Position Relearn’ might also be necessary. See our notes below for details.
Verified Vehicle Compatibility
This module is a direct replacement for part number 15880684 and interchanges with numerous other part numbers, ensuring wide compatibility across the GM family. Please verify your vehicle is on this list. Note: Providing your VIN during checkout is required to ensure we send you a perfectly matched and programmed part.