Restore Your Vehicle’s Electrical System with a Plug-and-Play BCM
Are you tired of chasing electrical gremlins in your GM car, truck, or van? Flickering lights, malfunctioning power windows, a security light that won’t turn off, or an intermittent no-start condition can all 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 a host of frustrating and unpredictable problems. This isn’t just an annoyance; it’s a reliability issue. We offer a dependable, straightforward solution with this Programmed GM Body Control Module, delivered to your door ready for installation.
A Technician’s Notebook: The Case of the Haunted Impala
I once had a 2011 Chevy Impala in my bay that was driving its owner crazy. The dash lights would randomly flicker, the radio would cut out, and sometimes, the car simply wouldn’t start—no crank, nothing. The battery was new, alternator tested fine. After connecting my scan tool, I saw a slew of U-codes (communication errors) pointing to a network issue. After checking the main data bus wiring, I honed in on the BCM. These modules are notorious for internal solder joint failures and board corrosion over time. We swapped in a VIN-programmed BCM just like this one, and every single issue vanished instantly. It’s a common failure I’ve diagnosed hundreds of times, and a reliable replacement is the only permanent fix.
Why Choose a Pre-Programmed Module?
The biggest hurdle in replacing a modern BCM is the required programming. A new module from the dealership is just a blank box; it needs to be coded to your vehicle’s specific VIN and options, a process that requires expensive tools and a trip to the service center. We eliminate that entire step. Simply provide us with your vehicle’s VIN during checkout, and our technicians will flash this module with the latest GM-certified software for your exact vehicle. It arrives ready to be installed, saving you hundreds in dealership programming fees and diagnostic time.
Common Signs of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights (headlights, dome lights, dash lights).
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The anti-theft or security system light staying on, preventing the engine from starting.
- ✔ Inaccurate or dead gauges on the instrument cluster.
- ✔ False warning messages appearing on the driver information center.
- ✔ Diagnostic trouble codes (DTCs) related to communication loss, such as U0140, U0155, or other U-codes.
- ✔ Unexplained battery drain while the vehicle is parked.
Your Straightforward BCM Installation Guide
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the BCM: The location varies by model (see fitment list below). Common spots include behind the driver’s side lower dash, under the steering column, or in the center dash console.
- ✔ Remove Trim Panels: Carefully remove any plastic trim or panels necessary to access the module. Use a trim removal tool to avoid scratching your interior.
- ✔ Disconnect and Remove: Unplug the electrical connectors from the old BCM. They have locking tabs that must 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 reconnect all electrical connectors. Ensure they click securely into place.
- ✔ Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—lights, locks, windows, etc.—to confirm proper operation.
- ✔ Final Checks: As noted in our procedures, some vehicles may require a ‘Brake Pedal Position Relearn’ or an ‘Airbag System Sync’ if a warning light appears. This is typically done with a high-level scan tool.
Verified Fitment For Your Vehicle
This BCM is a direct replacement for a wide range of GM vehicles and supersedes multiple part numbers, including 15276271, 22860591, 25892622, and many more. Please check the list below to confirm compatibility with your specific model. Note that some models may have multiple BCM locations or ID requirements.
Do I need to get this BCM programmed by a dealer?
No. This Body Control Module comes pre-programmed to your vehicle’s VIN. Just provide your VIN at checkout, and it will arrive ready for installation, saving you time and money.
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer that acts as the central command for your vehicle’s electronic body accessories. It controls functions like power windows, locks, lights, the security system, wipers, and more.
Is there a core charge for my old part?
No, there is absolutely no core charge. You can keep your old module, so there’s no need to worry about return shipping.
What if the airbag light is on after I install it?
On some models, the new BCM needs to be synced with the airbag system (SDM). If the light appears, a technician will need to perform the ‘Setup SDM Primary Key in BCM’ procedure with a professional diagnostic tool.
Will this fix my vehicle’s no-start problem?
If your no-start issue is caused by the anti-theft system being incorrectly activated by a faulty BCM, then yes, this part is very likely to be the solution. However, no-start conditions can have many causes, so proper diagnosis is always recommended.
My original part number isn’t 15276271, but it’s on the list. Will this work?
Yes. This module is a compatible replacement for all the part numbers listed in our description. We program it to function identically to your original unit based on your VIN.