Restore Control and Eliminate Electrical Chaos in Your GM Vehicle
Are you chasing electrical gremlins in your car, truck, or van? One minute the power windows work, the next they don’t. The security light flashes for no reason, or worse, the vehicle refuses to start intermittently. These frustrating, unpredictable issues often point to one culprit: a failing Body Control Module (BCM). As the central command for your vehicle’s body electronics, a faulty BCM can wreak havoc. This isn’t just an inconvenience; it can affect vehicle security and safety systems.
Instead of facing a costly trip to the dealership for diagnostics, parts, and programming fees, we offer a direct, reliable solution. This GM Body Control Module is the definitive answer. We take the complexity out of the repair by providing a professional Cloning Service. Simply provide your vehicle’s VIN during checkout, and we will transfer the critical data from your original module to this replacement unit. It arrives at your door ready for installation, loaded with the latest GM software updates for enhanced performance and reliability.
A Technician’s Notebook: The Case of the Haunted Express Van
Just last month, a 2011 Chevy Express 2500 was brought into the shop. The owner, a contractor, was at his wit’s end. The dome lights would flicker randomly, the radio would shut off, and sometimes the van wouldn’t crank at all—leaving him stranded at a job site. He had already replaced the battery and checked the alternator. After hooking up my scan tool, I found a series of U-codes (U0140, U0155), indicating a loss of communication with the BCM. This is a classic symptom I’ve seen hundreds of times. A faulty BCM was creating a communication breakdown on the vehicle’s network. We installed a pre-programmed BCM, and instantly, all the bizarre electrical issues were gone. This single part restored the van’s reliability and saved the owner from losing more time and money.
Is Your Vehicle Showing These Symptoms?
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that flicker, stay on, or don’t work at all.
- ✔ The anti-theft or security light is illuminated on the dash, preventing the engine from starting.
- ✔ Intermittent no-start or no-crank conditions.
- ✔ Instrument panel gauges behaving erratically or going dark.
- ✔ Diagnostic Trouble Codes (DTCs) related to communication errors, such as U0140, U0155, or other U-codes.
- ✔ Horn honking unexpectedly or not working when pressed.
Your Straightforward BCM Installation Guide
- 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: The location varies. On many GM sedans like the Impala or Acadia, it’s behind the driver’s side dash. On Express/Savana vans, it’s often in the center dash area. For trucks/SUVs like the Tahoe, check under the steering column. A quick search for your specific model can confirm the exact spot.
- Disconnect and Remove: Carefully unplug the electrical connectors. Most have a locking tab that needs to be pressed or lifted. Once disconnected, unbolt or unclip the old BCM and remove it from the vehicle.
- Install the New Module: Mount your new, pre-programmed BCM in the same position. Reconnect all electrical harnesses, ensuring they click securely into place.
- Reconnect and Test: Reattach the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—windows, locks, lights, radio, etc.—to confirm the repair.
Post-Installation Checks
Our cloning service handles the majority of the setup, but some vehicle systems may require a ‘handshake’ with the new BCM. Be aware of the following potential steps:
- Airbag System Sync: If the airbag light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional scan tool to sync the modules.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure your brake lights and stability control systems function correctly.
Disclaimer: Vehicle systems are complex. Always refer to a factory service manual or a certified mechanic if you are unsure about any step.
Guaranteed Vehicle Fitment
This module is a direct replacement for a wide range of GM vehicles and interchanges with 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.
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)
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 or 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 or 20815898
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
TORRENT 07-09 Body Control (BCM); (center dash)
CTS 08-13 Body Control (BCM); LH dash
G8 08-09 Body Control (BCM); (center dash)
IMPALA 13 Body Control (BCM); (LH dash), ID 22820315
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
LUCERNE 06-11 Body Control (BCM); (right side dash)
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
SAVANA 3500 VAN 10-12 Body Control (BCM)
SRX 07-09 Body Control (BCM); LH dash
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
VUE 08-10 Body Control (BCM); (center dash)
CAPRICE 11-13 Body Control (BCM)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
Frequently Asked Questions
Why do you need my VIN for the cloning service?
Your Vehicle Identification Number (VIN) allows us to access the specific software and security information for your exact vehicle build. We use this to transfer the necessary data from your old module to the new one, ensuring seamless integration with your car’s existing systems, like the anti-theft and instrument cluster.
Is this BCM truly plug-and-play?
For the vast majority of functions, yes. Our cloning service handles the security and vehicle-specific programming. However, as noted in our post-installation section, some safety systems like the airbag (SRS) may require a simple sync procedure with a scan tool if a warning light appears.
What happens to my old BCM?
Our service is a cloning service, not an exchange. We require your original module to perform the data transfer. Once the service is complete, we ship your original module back to you along with your newly programmed replacement. We do not keep your original part.
Will this fix my ‘Service Stabilitrak’ warning?
A failing BCM can sometimes cause this warning due to communication issues with the brake and steering systems. While this module can be the cause, the Stabilitrak system is complex. It’s best to have the codes scanned to confirm the fault is BCM-related before ordering.
What if my original BCM is completely dead or missing?
If your original module is non-communicative (e.g., water damaged, burned), we can often still perform a fresh programming using your VIN. Please contact us before ordering if you cannot send in your original module so we can confirm the best solution for your situation.