Restore Your Vehicle’s Electronic Stability and Functions
Are you battling a storm of strange electrical issues in your GM vehicle? Flickering lights, power windows with a mind of their own, a security system that won’t cooperate, or even a frustrating no-start condition can often be traced back to one central component: 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 vehicle into a source of daily frustration. It acts as the central nervous system for your car’s body electronics, and when it fails, chaos ensues.
This isn’t just a replacement part; it’s a direct solution. We offer a reliable, VIN-programmed GM BCM that arrives ready for installation. By providing your vehicle’s VIN at checkout, you bypass the expensive and time-consuming trip to the dealership for programming. We handle the complex part, loading the latest GM software specific to your vehicle onto the module before it even ships. This ensures seamless integration and restores the functions you depend on every day.
A Technician’s Notebook: The Ghost in the Machine
I remember a 2008 Chevy Tahoe that came into the shop with a list of complaints that seemed completely unrelated. The radio would cut out, the driver’s side window worked intermittently, and the remote start failed half the time. The owner had already replaced the battery and checked all the fuses. After connecting my scan tool, I found a series of communication errors (U-codes) pointing to a network issue. Instead of chasing individual components, experience pointed me to the central hub—the BCM. After installing a pre-programmed unit like this one, every single phantom issue vanished. It’s a perfect example of how one part can solve a dozen problems.
Is Your GM Vehicle Showing These BCM Failure Signs?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is the likely solution your vehicle needs. This is the definitive fix for when you need a new Programmed GM BCM.
- ✔ Intermittent or non-functional power windows, door locks, or interior lights.
- ✔ The security or anti-theft light stays on, preventing the engine from starting.
- ✔ Erratic behavior from the dashboard gauges or warning lights.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ Key fob functions (remote lock/unlock) are unreliable or have stopped working.
- ✔ Diagnostic Trouble Codes (DTCs) related to communication loss, such as U0140, U0155, or other U-series codes.
Your Straightforward BCM Installation Guide
Replacing your BCM is a manageable job for a confident DIYer. While the exact location varies by model (check your service manual), the general process is consistent. Here’s a typical walkthrough:
- 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 most of the compatible vehicles, the BCM is found under the driver’s side dash, near the steering column or behind a kick panel. On vans, it’s often in the center dash area.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be pressed to release. Once disconnected, unbolt or unclip the old BCM from its mounting bracket.
- Install the New Module: Mount your new Programmed GM BCM in the same position as the old one. Securely reconnect all electrical connectors, ensuring they click into place.
- Reconnect Power: Re-attach the negative battery terminal.
- Perform Relearns (If Needed): Start the vehicle. In some cases, you may need to perform additional procedures as outlined below. For most, the vehicle will now operate correctly.
Important Post-Installation Information
Your new BCM comes programmed to your VIN, but due to the complexity of modern vehicle systems, some models may require a final handshake with other modules. Be aware of the following potential steps:
- Airbag System Sync: If the airbag light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the BCM with the airbag module.
- Brake Pedal Position Relearn: On certain models, a brake pedal position sensor relearn might be required to ensure correct brake light and traction control operation.
- No Core Charge: We make it simple. There is no core charge on this part, so you can keep your original module without the hassle of sending it back.
Verified Vehicle Compatibility List
This module is a direct replacement for a wide range of GM vehicles and supersedes multiple part numbers, ensuring you get the right component. Please verify your model and year below. This Programmed GM BCM is compatible with units identified by 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, and 95151084.
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
Frequently Asked Questions
Do I really need to provide my VIN?
Yes, providing your VIN is essential. We use it to load the precise factory software for your vehicle’s specific options and configuration. This ensures the BCM works correctly right out of the box and minimizes compatibility issues.
What does ‘No Core Charge’ mean?
It means you don’t have to send your old, faulty BCM back to us. This saves you the cost and hassle of return shipping and eliminates any core deposit fees, making the repair process simpler and more affordable.
Will this fix my ‘Service Theft System’ message?
In many cases, yes. The BCM is a critical part of the vehicle’s anti-theft and security system. A failure can often trigger this warning message and prevent the car from starting. Replacing it with a properly programmed module is a common and effective fix for this issue.
Can I install this myself if I’m not a professional mechanic?
Yes, the physical installation is typically straightforward for someone with basic mechanical skills. However, be aware that some vehicles may require post-installation procedures like an airbag or brake sensor relearn, which require a professional-grade scan tool.
Is this a new or a used part?
This is a quality, inspected used component that has been tested for full functionality and then programmed with the latest GM software for your vehicle. It provides a reliable and cost-effective alternative to a new dealer part.