Restore Your Vehicle’s Electrical System with a Reliable Solution
Are you dealing with baffling electrical issues in your vehicle? Flickering lights, malfunctioning power windows, or a security system that acts up randomly? These are classic signs of a failing Body Control Module (BCM). As a technician with over two decades of experience, I’ve seen how a faulty BCM can turn a reliable car into a source of daily frustration. It’s the central command for your car’s body electronics, and when it goes, it takes comfort and convenience features with it. This isn’t just an inconvenience; it can be a safety issue if it affects your lighting or security systems.
This replacement Body Control Module is the definitive fix for your 2011-2013 Caprice BCM and a wide range of other GM vehicles. We take the guesswork and high costs out of the repair process. Instead of you buying a blank module and paying a dealership for expensive programming, we handle it all for you through our expert cloning service. Simply provide your vehicle’s VIN after purchase, and we’ll program this module with the latest GM software specific to your car. Your original module is always returned to you. This ensures a seamless installation and restores your vehicle’s functions precisely as the factory intended.
Case Study: A Tricky Diagnosis
A customer brought in a 2012 Impala with a complaint that was driving him crazy: the radio would turn on and off by itself, and the interior dome lights would flicker while driving at night. He’d already replaced the battery and checked the alternator. Diagnostics showed no clear trouble codes pointing to one component. From experience, I know these ‘ghost’ issues often trace back to the BCM. The internal logic gets corrupted, causing it to send erratic commands. We installed a VIN-programmed BCM like this one, and the problems vanished instantly. It’s a perfect example of how the right part, correctly programmed, can solve issues that seem impossible to pin down.
Common Signs of a Failing BCM
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Headlights, taillights, or interior lights behaving erratically or not working at all.
- ✔ The security system or keyless entry failing to operate correctly.
- ✔ Warning lights on the dashboard for systems controlled by the BCM (e.g., ABS, Airbag) without a clear cause.
- ✔ Communication error codes, such as U0140 (Lost Communication With Body Control Module).
- ✔ The engine may crank but refuse to start due to the anti-theft system being controlled by a faulty BCM.
A Straightforward Guide to Installation
- ✔ Safety First: Before you begin, always disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate the BCM: The BCM’s location varies by model. For the 2011-2013 Caprice, it is typically found in the cabin. On other models, it might be under the dash on the driver’s side or behind the center console. Consult a service manual for your specific vehicle’s 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 module from its mounting bracket and remove it.
- ✔ Install the New Module: Mount your new, pre-programmed BCM in the same location. Reconnect all the electrical connectors, ensuring they click securely into place.
- ✔ Reconnect Power: Reattach the negative battery terminal.
- ✔ Perform Relearns: Start the vehicle. You may need to perform post-install procedures, such as the Airbag System Sync or Brake Pedal Position Relearn, if specific warning lights appear. This may require a professional scan tool.
Verified Vehicle Compatibility
This module is a direct replacement for part number 15948438 and is compatible with a wide array of GM vehicles. Please match your part number or verify your model and year from the list below. This part fits, but is not limited to, the following:
- Chevrolet Caprice: 2011-2013
- Chevrolet Impala: 2006-2013
- Chevrolet Equinox: 2007-2009
- Chevrolet Express/GMC Savana Vans: 2008-2012 (various engines)
- Chevrolet Tahoe/Suburban/Avalanche: 2010 (check specific ID)
- GMC Acadia / Saturn Outlook: 2007-2012
- Cadillac CTS / DTS / SRX / Escalade: Various years, check fitment details
- …and many other models listed in the original fitment chart.
Note: This is a partial list. This BCM replaces numerous part numbers including: 10382479, 15093910, 15819552, 20815898, 22860591, 25892622, and more.
Frequently Asked Questions
Frequently Asked Questions
Do I need to get this programmed at the dealer?
No. This is our Cloning Service. We program the module to your car’s VIN before we ship it. This saves you the time, cost, and hassle of a dealership visit.
What information do you need from me?
After you place your order, you will need to provide us with your 17-digit Vehicle Identification Number (VIN). This is essential for us to program the BCM correctly for your specific vehicle options.
What is the core policy?
We do not require your old module to be sent in as a core. Our service involves sending you a replacement module programmed with your data, and your original module is always returned to you along with the replacement.
What if my airbag light comes on after installation?
This is a possibility. If it happens, a procedure called ‘Setup SDM Primary Key in BCM’ needs to be performed with a professional-grade scan tool. This syncs the new BCM with the airbag system.
Is this a difficult part to install myself?
For someone with basic mechanical skills, the physical swap is straightforward. It’s typically located inside the vehicle’s cabin and involves unplugging connectors and removing a few bolts. The most important part, the programming, is already done for you.