Restore Full Functionality to Your GM Vehicle’s Electronics
Is your Chevrolet Express or GMC Savana van experiencing bizarre electrical problems? Issues like flickering lights, malfunctioning power windows and locks, or a security system that acts on its own are often not isolated component failures. These are classic symptoms of a failing Body Control Module (BCM), the central command center for your vehicle’s body electronics. This replacement BCM, part number 15948438, is the definitive solution to restore your vehicle’s systems to perfect working order. It arrives programmed to your specific Vehicle Identification Number (VIN), ensuring a seamless integration without the need for expensive dealership programming.
From the Diagnostic Bay
We had a 2011 Express 2500 work van come into the shop with a complaint of the driver’s side power window working intermittently and the interior dome lights staying on, draining the battery. The owner had already replaced the window switch and checked all the fuses, spending a couple hundred dollars with no success. After hooking up our diagnostic scanner, we saw multiple communication fault codes pointing to the BCM. Instead of continuing to chase individual symptoms, we identified the root cause. A new, VIN-programmed BCM solved all the issues in one go, saving the customer from further frustration and wasted money on parts he didn’t need.
Is Your Vehicle Showing Signs of a Failing BCM?
A faulty BCM can manifest in numerous ways, often leading to confusing and intermittent problems. If you’re experiencing any of the following, it’s highly likely your BCM is the culprit:
- ✔ Power windows, door locks, or mirrors operating erratically or not at all.
- ✔ Interior or exterior lights (headlights, taillights, dome lights) staying on, flickering, or not turning on.
- ✔ The security system or keyless entry failing to work correctly, or the alarm sounding randomly.
- ✔ The instrument cluster displaying false warning lights (like the airbag light) or gauges behaving erratically.
- ✔ Issues with the radio or climate control systems that seem to have no other cause.
- ✔ A parasitic battery drain that leaves you with a dead battery overnight.
The Direct-Fit Solution: A Programmed 2008-2012 Express 2500 BCM
Replacing the BCM on modern vehicles isn’t as simple as swapping a part. The module is coded specifically to your vehicle’s options and security systems. Our service eliminates the guesswork and complexity. When you order, you provide us with your VIN. We then flash the module with the latest GM software updates specific to your van. This means the part that arrives at your door is ready for installation. This process ensures that all electronic features your vehicle came with will function as intended, from power locks to the specific lighting packages. This is the most efficient way to get your 2008-2012 Express 2500 BCM replaced and your vehicle back to full operation.
Installation and Post-Installation Procedures
Physical installation is typically straightforward, involving disconnecting the battery and swapping the old module for the new one. However, after the new BCM is installed, some vehicles may require additional electronic relearn procedures. These are necessary to ensure all related vehicle systems communicate correctly with the new module.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed. This requires a professional-grade diagnostic tool to sync the airbag system with the new BCM.
- Brake Pedal Position Relearn: Some models may require a recalibration of the brake pedal position sensor. This is crucial for the proper function of brake lights and the vehicle’s traction control system.
Please Note: Specific procedures can vary. Always consult a factory service manual or a qualified technician if you are unsure about any step of the installation process.
Guaranteed Compatibility and Fitment
This BCM is a direct replacement for a wide range of GM vehicles and part numbers. Please verify that your original part number is on this list or that your vehicle is listed below.
This computer will fit 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
This part will fit these makes and models with these options
EQUINOX 07-09 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
EXPRESS 3500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
IMPALA 06-12 Body Control (BCM); (LH dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
ACADIA 07-12 Body Control (BCM); (LH dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
TAHOE 10 Body Control (BCM); (under steering column), ID 25892622
TRAVERSE 09-12 Body Control (BCM); (LH dash)
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
YUKON 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 2500 VAN 11-12 Body Control (BCM); (center dash)
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 22860591
DTS 06-11 Body Control (BCM); (RH center dash)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 11-12 Body Control (BCM)
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
STS 10 Body Control (BCM); center dash
SAVANA 3500 VAN 08-09 Body Control (BCM); (center dash)
TORRENT 07-09 Body Control (BCM); (center dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898
CTS 08-13 Body Control (BCM); LH dash
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921436
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 6.0L
G8 08-09 Body Control (BCM); (center dash)
IMPALA 13 Body Control (BCM); (LH dash), ID 22820315
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
YUKON 10 Body Control (BCM); (under steering column), ID 20815898
ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622
LUCERNE 06-11 Body Control (BCM); (right side dash)
CTS 08 Body Control (BCM); RH dash
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 4.8L
SAVANA 2500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 4.8L
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.0L
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE 10 Body Control (BCM); (under steering column), ID 20815898
SRX 07-09 Body Control (BCM); LH dash
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898
EXPRESS 3500 VAN 11-12 Body Control (BCM)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
SAVANA 3500 VAN 11-12 Body Control (BCM)
VUE 08-10 Body Control (BCM); (center dash)
CAPRICE 11-13 Body Control (BCM)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EXPRESS 2500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
Frequently Asked Questions
Why do I need to provide my VIN?
Your vehicle’s VIN (Vehicle Identification Number) allows us to program the Body Control Module with the exact software and settings for your specific model, year, and options. This ensures all features work correctly and the module communicates properly with other computers in your vehicle, making the installation process as smooth as possible.
Is this BCM difficult to install?
The physical replacement of the BCM is generally straightforward for someone with basic mechanical skills. It’s typically located under the dash and involves unplugging connectors and removing a few bolts. However, some vehicles may require post-installation electronic procedures, like an airbag system sync, which require a professional scan tool.
Do I have to return my old BCM?
No, there is no core charge for this part. You can keep your original module without any additional fees or hassle.
What happens if the airbag light is on after I install it?
If the airbag light comes on, it means the new BCM needs to be electronically synced with your vehicle’s airbag system (SDM). This is a common security measure. A qualified technician will need to perform the ‘Setup SDM Primary Key in BCM’ procedure with a compatible diagnostic tool to resolve this.
How can I be sure the BCM is the problem?
While the symptoms listed are strong indicators, the best way to be 100% certain is through a professional diagnosis. A technician with a high-end scan tool can check for communication codes (U-codes) and directly test the BCM’s inputs and outputs to confirm it is the source of the failure.