Restore Your Vehicle’s Electrical System with a Reliable BCM
Are you chasing electrical gremlins in your GM vehicle? One day the power locks work, the next they don’t. The dashboard lights flicker randomly, or the security light stays on, preventing your car from starting. As a technician with over 20 years of experience, I’ve seen these frustrating issues hundreds of times. More often than not, the culprit is a failing Body Control Module (BCM). The BCM acts as the central nervous system for your vehicle’s comfort and convenience features, and when it goes bad, it can cause chaos.
This isn’t just a replacement part; it’s a complete solution. We take a reliable BCM and program it with the latest official GM software specifically for your vehicle using the VIN you provide. This means it arrives at your door ready for installation, saving you a costly trip to the dealership and the hassle of finding a shop with the right programming equipment. Restore predictable, reliable operation to your vehicle’s essential functions.
Case Study: The 2010 Express Van That Wouldn’t Cooperate
A local contractor brought in his 2010 Express 3500 work van, complaining of intermittent no-start conditions and the dome lights refusing to turn off, draining his battery overnight. His scan tool showed a handful of U-codes, indicating a loss of communication with various modules. After confirming the network wiring was intact, we isolated the fault to the BCM. Instead of a lengthy and expensive dealership visit, he ordered one of our pre-programmed modules. The next day, he swapped it out in under an hour right in his own lot. The van started reliably, the lights worked correctly, and he was back on the job without losing valuable time. This is the kind of straightforward, effective fix we aim to provide.
Is Your Vehicle Showing These Symptoms?
- ✔ Power windows, mirrors, or door locks operating erratically or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The anti-theft or security light is illuminated, causing a no-start condition.
- ✔ False warnings appearing on the instrument cluster (e.g., “Service Airbag System”).
- ✔ Diagnostic trouble codes (DTCs) related to communication loss, such as U0140, U0155, or U0164.
- ✔ Remote keyless entry (RKE) system has stopped working.
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- ✔ Locate the BCM: The location varies by model. Common spots include under the driver’s side dash (near the steering column), behind the glove box, or in the center console area. Your service manual will show the exact position.
- ✔ Disconnect and Remove: Carefully unplug all electrical connectors from the old BCM. Note their orientation. Then, unbolt or unclip the module from its mounting bracket.
- ✔ Install the New Module: Mount your new, pre-programmed BCM in the same location. Reconnect all electrical connectors, ensuring they are fully seated and secure.
- ✔ Reconnect Power: Reattach the negative battery terminal.
- ✔ Perform Relearn Procedures: Start the vehicle. If an airbag warning light appears or brake lights are not functioning correctly, you may need to perform the post-installation procedures noted below with a capable scan tool.
Important Post-Installation Information
While this module is programmed to be as close to plug-and-play as possible, certain vehicle systems require a ‘handshake’ with the new BCM. Depending on your specific model and its options, one or more of the following procedures may be necessary if you notice a related warning light after installation:
- Airbag System Sync: If the airbag light is on, a professional scan tool is needed to perform the “Setup SDM Primary Key in BCM” procedure. This syncs the airbag system with the new BCM.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor relearn to ensure proper brake light and traction control operation.
Disclaimer: We strongly recommend consulting a factory service manual or a qualified technician for vehicle-specific instructions.
Verified Vehicle Compatibility
This module is a direct replacement for part number 15276271 and other interchangeable numbers listed below. It fits a wide array of GM vehicles. Please verify your part number and check the list to ensure compatibility.
Interchangeable 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
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
CAPRICE 11-13 Body Control (BCM)
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435, 20921436, or 22860591
CTS 08-13 Body Control (BCM); LH dash
DTS 06-11 Body Control (BCM); (RH center dash)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EQUINOX 07-09 Body Control (BCM); (center dash)
ESCALADE 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 08-12 Body Control (BCM)
EXPRESS 3500 VAN 08-12 Body Control (BCM)
G8 08-09 Body Control (BCM); (center dash)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
IMPALA 06-13 Body Control (BCM); (LH dash)
LUCERNE 06-11 Body Control (BCM); (right side dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
SAVANA 2500 VAN 08-12 Body Control (BCM)
SAVANA 3500 VAN 08-12 Body Control (BCM)
SRX 07-09 Body Control (BCM); LH dash
STS 10 Body Control (BCM); center dash
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
TORRENT 07-09 Body Control (BCM); (center dash)
TRAVERSE 09-12 Body Control (BCM); (LH dash)
VUE 08-10 Body Control (BCM); (center dash)
YUKON 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
Frequently Asked Questions
Do I need to take this BCM to the dealer for programming?
Do I need to take this BCM to the dealer for programming?
No. We handle all the programming for you before we ship the part. Simply provide us with your vehicle’s 17-digit VIN during checkout, and it will arrive ready to be installed.
What exactly does a Body Control Module do?
Do I need to take this BCM to the dealer for programming?
No. We handle all the programming for you before we ship the part. Simply provide us with your vehicle’s 17-digit VIN during checkout, and it will arrive ready to be installed.
Where is the BCM located on my vehicle?
Do I need to take this BCM to the dealer for programming?
No. We handle all the programming for you before we ship the part. Simply provide us with your vehicle’s 17-digit VIN during checkout, and it will arrive ready to be installed.
Is there a core charge for this part?
Do I need to take this BCM to the dealer for programming?
No. We handle all the programming for you before we ship the part. Simply provide us with your vehicle’s 17-digit VIN during checkout, and it will arrive ready to be installed.
What if my airbag light comes on after installation?
Do I need to take this BCM to the dealer for programming?
No. We handle all the programming for you before we ship the part. Simply provide us with your vehicle’s 17-digit VIN during checkout, and it will arrive ready to be installed.