Restore Your Vehicle’s Electrical System with a Reliable, Programmed BCM
Are you chasing electrical gremlins in your GM vehicle? One minute the power locks don’t work, the next the interior lights are flickering, and the security light is flashing for no reason. As a technician with over two decades of experience, I’ve seen these frustrating, seemingly unrelated issues hundreds of time. The culprit is often a single component: a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it starts to fail, it can cause widespread and confusing problems. Stop throwing parts at the problem and get the definitive solution.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take a high-quality BCM and professionally flash it with the latest GM software, specifically programmed to your vehicle’s unique VIN. This critical step ensures seamless communication with your car’s other modules, eliminating the need for an expensive trip to the dealership for programming. You get a part that’s ready to work right out of the box, saving you time, money, and diagnostic headaches. This is the same reliable process we use in our own shop to get customers back on the road safely and quickly.
Case Study: A Tricky Diagnosis
A customer brought in their 2011 GMC Savana work van with a list of bizarre complaints. The radio would turn on and off by itself, the dome lights wouldn’t work, and the power door locks were completely unresponsive. They had already replaced the battery and checked all the fuses. After connecting my scan tool, I saw a dozen communication codes pointing in different directions. This is a classic sign of a failing BCM. Instead of a complex wiring issue, the vehicle’s electronic ‘brain’ was scrambled. We installed one of our VIN-programmed BCMs, performed the quick security relearn, and every single issue was resolved instantly. The customer was back on the road in under an hour, saving what could have been a full day of diagnostic labor.
Is Your Vehicle Showing These Classic BCM Failure Signs?
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that flicker, stay on, or don’t turn on at all.
- ✔ A security system that engages randomly, preventing the vehicle from starting.
- ✔ The horn sounding unexpectedly or not working when needed.
- ✔ Inconsistent or non-working windshield wipers.
- ✔ Multiple, unrelated warning lights on the instrument cluster.
- ✔ Communication errors with diagnostic scan tools.
Your Straightforward BCM Installation Guide
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: The location varies by model (see fitment list). Common spots include under the driver’s side dash, behind the glove box, or in the center console area.
- Remove Trim Panels: Carefully remove any plastic trim or panels necessary to access the module. Use a trim removal tool to avoid breaking clips.
- Disconnect and Remove: Unplug all electrical connectors from the old BCM. They have locking tabs that need to be pressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and reconnect all the electrical connectors firmly. Ensure they click into place.
- Perform Necessary Procedures: Reconnect the battery. You will now need to perform a few final steps. A security relearn procedure (often a simple 10-30 minute key-on/key-off process) is typically required. Crucially, you must use a professional scan tool to perform the ‘Setup SDM Primary Key in BCM’ function to clear the airbag light. Some vehicles may also require a brake pedal position sensor recalibration for proper ABS and traction control function.
- Test Everything: Start the vehicle and test all the functions controlled by the BCM: lights, locks, windows, wipers, radio, etc., to confirm the repair was successful.
Verified Fitment For These Makes and Models
This GM Body Control Module is a direct replacement for a wide range of vehicles. Please verify your model and year below. This part is interchangeable 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.
- ACADIA 07-12
- AVALANCHE 1500 10 (ID 25892622)
- CAPRICE 11-13
- CAPTIVA SPORT 12
- CTS 08-13
- DTS 06-11
- ENCLAVE 08-12
- EQUINOX 07-09
- ESCALADE 10 (ID 25892622 or 20815898)
- ESCALADE ESV 10 (ID 25892622 or 20815898)
- ESCALADE EXT 10 (ID 25892622)
- 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 (ID 25892622 or 20815898)
- TAHOE 10 (ID 25892622 or 20815898)
- TORRENT 07-09
- TRAVERSE 09-12
- VUE 08-10
- YUKON 10 (ID 25892622 or 20815898)
- YUKON XL 1500 10 (ID 20815898 or 25892622)
Frequently Asked Questions
Do I need to do any programming after I receive this BCM?
No! The main programming is done by us before shipment. We flash the module with the latest software using your VIN. However, you will need to perform a simple security relearn procedure and may need a scan tool for post-install functions like the airbag light reset.
What is the ‘Setup SDM Primary Key’ procedure?
This is a required step after installing a new BCM to ensure it communicates correctly with the airbag system’s Sensing and Diagnostic Module (SDM). It must be performed with a compatible high-end scan tool to prevent a persistent airbag warning light on your dash.
How do I provide my VIN number?
After you complete your purchase, you will need to send us a message with your vehicle’s 17-digit VIN. We cannot program and ship your module without it.
Will this fix my ‘Service Theft System’ message?
In many cases, yes. A faulty BCM is a very common cause of issues with the vehicle’s anti-theft and security systems. A new, correctly programmed BCM often resolves these warnings.
Is this a difficult part for a DIYer to replace?
For most models, the replacement is straightforward for someone with basic mechanical skills. The main challenge is usually accessing the module’s location. The post-installation electronic procedures are the most critical part, so ensure you have access to a proper scan tool or a mechanic who can help with that final step.