Restore Your Vehicle’s Electrical System with a VIN-Programmed BCM
Are you chasing electrical gremlins in your GM vehicle? Flickering lights, power windows with a mind of their own, or a security system that randomly acts up are classic signs of a failing Body Control Module (BCM). As the central hub for your car’s body electronics, a faulty BCM can cause a cascade of frustrating and seemingly unrelated issues. Stop the guesswork and replace the core of the problem with our reliable, pre-programmed GM Body Control Module.
This isn’t just a part; it’s a complete solution. We take the hassle and high cost out of the repair by programming the module to your vehicle’s specific VIN before we ship it. This means it arrives ready for installation, loaded with the latest GM software updates, eliminating the need for an expensive trip to the dealership for programming. It’s the most efficient way to get your car, truck, or SUV back to 100% functionality.
Case Study: A Tricky Diagnosis
A customer brought in their 2011 GMC Acadia with a bizarre complaint: the radio would turn off, the driver’s side power window wouldn’t work, and the anti-theft light was on, preventing the vehicle from starting—but only intermittently. They had already replaced the battery and checked fuses. After connecting my scan tool, I noticed multiple communication loss codes with various modules. This pointed directly to the central communication hub: the BCM. A failing GM Body Control Module often acts like a bad switchboard operator, dropping calls between different electronic systems. We installed one of our VIN-programmed BCMs, performed the necessary key relearn and SDM setup, and all the strange electrical issues vanished instantly. It’s a common failure I’ve seen hundreds of times, and a direct-fit programmed module is the fastest, most reliable fix.
Is Your Vehicle Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is likely the solution you need:
- ✔ Erratic power window or power lock operation
- ✔ Interior or exterior lights that don’t work correctly or stay on
- ✔ Horn honking unexpectedly or not working at all
- ✔ Vehicle security system issues or a no-start condition
- ✔ Inoperative remote keyless entry (fob)
- ✔ Warning lights on the dashboard with no other apparent cause
- ✔ Communication errors between various electronic modules
A Straightforward Guide to Installation
Installing your new GM Body Control Module is manageable for a DIYer with basic tools. The exact location varies by model (see fitment list), but is typically under the dash on the driver’s side or in the center console area.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: Find the old BCM. It’s a plastic box with several large electrical connectors. You may need to remove a lower dash panel or glove box for access.
- Swap the Module: Carefully unplug all wiring harnesses from the old BCM. Unbolt or unclip it from its mounting bracket and remove it. Install the new, pre-programmed module in its place and securely reconnect all wiring harnesses.
- Reconnect Power: Reconnect the negative battery terminal.
- Perform Security Relearn: Your vehicle will likely require a security relearn procedure (often called a ‘key relearn’) to recognize the new BCM. This typically involves turning the key to the ‘ON’ position for 10-15 minutes, then off, and repeating this cycle three times.
- Critical Final Steps: For full functionality and safety, you must perform the ‘Setup SDM Primary Key in BCM’ procedure with a capable scan tool to clear any airbag faults. Some vehicles may also require a Brake Pedal Position Sensor recalibration. If you are unsure about these final steps, professional assistance is recommended.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of GM vehicles and supersedes multiple part numbers, ensuring a perfect fit. Please match your vehicle from the list below. This unit replaces 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
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 need to do any programming after I receive this BCM?
No! We program the module to your specific VIN before shipping. However, you will need to perform a simple key relearn procedure and may need a scan tool for final setup like the airbag system reset.
What information do you need from me?
After you complete your purchase, you must provide us with your vehicle’s 17-digit VIN (Vehicle Identification Number). We cannot program or ship the module without it.
Will this fix my ‘Service Theft System’ message?
In many cases, yes. The BCM is a critical part of the anti-theft system. If the BCM has failed, it can trigger this warning and prevent the car from starting. This module is a common fix for that issue.
Is this a difficult part for a DIYer to replace?
For most models, the replacement is straightforward. It involves removing a few dash panels and unplugging connectors. The most important part is following the post-installation relearn procedures carefully.
What happens if I don’t reset the airbag light or recalibrate the brake sensor?
Failing to perform the ‘Setup SDM Primary Key’ will leave the airbag warning light on, and more importantly, the airbag system may not function correctly in an accident. The brake pedal calibration ensures proper brake light function and stability control performance. These steps are critical for safety.