Restore Your Van’s Electrical System and Get Back to Work
Is your Chevy Express 2500 van acting possessed? Flickering lights, malfunctioning power windows or locks, a security system that won’t cooperate, or strange warning messages on the dash are all classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, when the BCM starts to fail, it can cause a cascade of frustrating and seemingly unrelated problems. This isn’t just an annoyance; for a work van, it’s a reliability issue that costs you time and money.
We offer a straightforward, reliable solution. This is a replacement Body Control Module, compatible with part number 15819552, that comes pre-programmed to your van’s specific Vehicle Identification Number (VIN). By providing us with your VIN at checkout, you receive a module that is loaded with the latest GM software and is ready for installation right out of the box. This process, often called cloning, transfers your vehicle’s specific data to the replacement unit, bypassing the need for expensive dealership programming or specialized scan tools for the initial setup.
Case Study: The Ghost in the Work Van
A contractor brought his 2011 Express 2500 into my shop with a list of bizarre complaints. The interior dome lights would stay on, the radio would randomly shut off, and sometimes the power door locks wouldn’t respond. He’d already replaced the battery and checked all the fuses. A scan showed a handful of U-codes (communication errors) pointing to a network problem. In my 20+ years of experience, intermittent issues like this across multiple, unrelated systems almost always point to the BCM. The internal logic circuits and relays fail over time from heat and vibration. We confirmed the diagnosis, ordered a VIN-programmed BCM, and had him back on the road the next day. Our cloning service meant he didn’t lose his van to the dealership for days waiting on programming.
Common Signs of a Failing BCM
If you’re experiencing any of the following, a faulty BCM is the likely culprit. Replacing your 2008-2012 Express 2500 BCM can be the definitive fix.
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that won’t turn on or off correctly.
- ✔ Horn, wipers, or radio functioning intermittently.
- ✔ A lit ‘Security’ light on the dashboard or a no-start condition.
- ✔ False warnings on the instrument cluster (e.g., ‘Door Ajar’).
- ✔ Diagnostic Trouble Codes (DTCs) related to communication loss, such as U0140, U0155, or other U-codes.
A Straightforward Guide to BCM Installation
Installing your new BCM is a manageable job for a DIY enthusiast or any professional mechanic. Our cloning service handles the complicated programming, leaving you with the physical swap.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: On the 2008-2012 Express and Savana vans, the BCM is typically located in the center dash area, often accessible by removing lower dash panels. Refer to a service manual for the exact location on your specific model.
- 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 the new, pre-programmed BCM in the same location and securely reconnect all electrical connectors. Ensure they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting the engine) and test the functions controlled by the BCM: lights, locks, windows, radio, etc.
Post-Installation Procedures
In some cases, your vehicle may require a simple relearn procedure after the new 2008-2012 Express 2500 BCM is installed. This is normal and ensures all related systems communicate correctly.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional-grade scan tool to sync the airbag module with the new BCM.
- Brake Pedal Position Relearn: To ensure correct brake light and stability control operation, a brake pedal position sensor relearn might be necessary. This can often be done with a capable bidirectional scan tool.
Verified Vehicle Compatibility
This Body Control Module is a direct replacement for a wide range of GM vehicles and part numbers. Please verify your part number or vehicle application below.
This BCM 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
Fits these models (and more):
AVALANCHE 1500 10
CAPRICE 11-13
CAPTIVA SPORT 12
CTS 08-13
DTS 06-11
ENCLAVE 08-12
EQUINOX 07-09
ESCALADE 10
ESCALADE ESV 10
ESCALADE EXT 10
EXPRESS 1500 VAN 08-12
EXPRESS 2500 VAN 08-12
EXPRESS 3500 VAN 08-12
G8 08-09
HUMMER H2 08-09
IMPALA 06-13
LUCERNE 06-11
MONTE CARLO 06-07
OUTLOOK 07-10
SAVANA 1500 VAN 08-12
SAVANA 2500 VAN 08-12
SAVANA 3500 VAN 08-12
SRX 07-09
STS 10
SUBURBAN 1500 10
TAHOE 10
TORRENT 07-09
TRAVERSE 09-12
VUE 08-10
YUKON 10
YUKON XL 1500 10
Note: Specific options or IDs may apply. Always match your part number or contact us with your VIN to confirm fitment.
Why do I need to provide my VIN?
Your VIN (Vehicle Identification Number) allows us to program the replacement BCM with the exact software and configuration your van requires. This ensures all your vehicle’s options (like power locks, specific lighting, security system, etc.) work correctly and makes the module ready for installation upon arrival.
What is a “Cloning Service”?
Our cloning service is the process of transferring your vehicle’s essential data from your original BCM’s software profile to the replacement unit. This means the new module is a perfect digital match for your van, eliminating the need for a trip to the dealer for expensive programming.
Do I need to send my old BCM to you?
No. We only need your vehicle’s VIN to perform the programming. After you install the new module, your original BCM is yours to keep. We do not require a core return.
Will this fix my “Service Theft System” light?
In many cases, yes. The BCM is a critical part of the vehicle’s anti-theft and security system. A failing BCM is a very common cause for these warnings and related starting issues. Our VIN-programmed module restores this functionality.
What if my airbag light turns on after installation?
This is not a sign of a defective part. It simply means the new BCM needs to be electronically ‘introduced’ to the airbag system’s computer (SDM). A mechanic with a professional scan tool can perform the “Setup SDM Primary Key in BCM” procedure in a few minutes to resolve this.
Is this a difficult part to install myself?
For someone with basic mechanical skills and tools, it’s very manageable. The most important part is locating the module and carefully swapping the electrical connectors. Since we handle the programming, you avoid the most complex step of the repair.