Restore Your Vehicle’s Brain and Banish Electrical Gremlins
Are you tired of dealing with baffling electrical issues in your GM vehicle? Flickering lights, malfunctioning power windows, a security system that has a mind of its own, or an engine that refuses to start can all point to one culprit: a failing Body Control Module (BCM). As the central command center for your car’s body electronics, a faulty BCM can turn your reliable ride into a source of constant frustration. Stop swapping batteries and second-guessing fuses. This is the definitive, long-term solution you’ve been searching for.
This isn’t just a replacement part; it’s a complete, hassle-free fix. We take the biggest headache out of the equation by pre-programming this Programmed GM BCM to your vehicle’s specific VIN before it even leaves our facility. This means no expensive trips to the dealership for flashing, no special programming tools required on your end for the initial setup. You get a part that’s ready to integrate with your vehicle’s systems right out of the box, loaded with the latest software updates from GM for optimal performance and reliability.
Case Study: A Tricky Diagnosis
A customer brought in his 2011 Chevy Impala last month with a classic ghost-in-the-machine problem. The dashboard lights would flicker randomly, the radio would cut out, and sometimes the car wouldn’t start, showing a ‘Service Theft System’ message. He’d already replaced the battery and alternator at another shop to no avail. After hooking up my pro-level scanner, I noticed communication loss codes with multiple modules, all pointing back to a single point of failure. The BCM was internally shorting. We installed one of our VIN-programmed BCMs, performed the quick post-install key relearn, and the car has been running flawlessly ever since. It saved him from chasing expensive, incorrect repairs.
Is Your GM Vehicle Exhibiting These Signs?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is likely your solution:
- ✔ Intermittent or non-functional power windows, locks, or mirrors.
- ✔ Erratic interior or exterior lighting (e.g., dome lights staying on, headlights not working).
- ✔ False warning lights on the dashboard (e.g., ‘Service Airbag’, ‘Service Theft System’).
- ✔ The security system preventing the vehicle from starting.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ HVAC (heating and air conditioning) controls not responding correctly.
- ✔ Communication errors with diagnostic scan tools.
Your Straightforward BCM Installation Guide
For the confident DIYer or professional technician, swapping the BCM is a manageable job. The key is following the correct post-installation procedures.
- 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 below). It’s typically found under the driver’s side dash, near the steering column, or in the center dash area.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old BCM and remove it.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical connectors.
- Reconnect the Battery: Reattach the negative battery terminal.
- CRITICAL – Perform Relearn Procedures: This is the most important step. You will need a capable bi-directional scan tool. You must perform the ‘Setup SDM Primary Key in BCM’ procedure to ensure the airbag system communicates correctly and clears the warning light. Additionally, some vehicles require a Brake Pedal Position Sensor Calibration. Failure to perform these steps can result in warning lights and improperly functioning safety systems.
Verified Fitment For Your Vehicle
This Programmed GM BCM is a direct replacement for a wide array of vehicles and part numbers. Please verify your model and year below. This unit replaces part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, and many more.
AVALANCHE 1500 10 (under steering column), ID 25892622
CAPRICE 11-13
CAPTIVA SPORT 12 (center dash), ID 20921435, 20921436, or 22860591
CTS 08-13 (LH/RH dash)
DTS 06-11 (RH center dash)
ENCLAVE 08-12 (LH dash)
EQUINOX 07-09 (center dash)
ESCALADE / ESV / EXT 10 (under steering column), ID 20815898 or 25892622
EXPRESS VAN 1500/2500/3500 08-12
G8 08-09 (center dash)
HUMMER H2 08-09 (LH firewall)
IMPALA 06-13 (LH dash)
LUCERNE 06-11 (right side dash)
MONTE CARLO 06-07 (LH steering column)
OUTLOOK 07-10 (center dash)
SAVANA VAN 1500/2500/3500 08-12
SRX 07-09 (LH dash)
STS 10 (center dash)
SUBURBAN 1500 10 (under steering column), ID 20815898 or 25892622
TAHOE 10 (under steering column), ID 20815898 or 25892622
TORRENT 07-09 (center dash)
TRAVERSE 09-12 (LH dash)
VUE 08-10 (center dash)
YUKON / YUKON XL 1500 10 (under steering column), ID 20815898 or 25892622
Frequently Asked Questions
What does a Body Control Module (BCM) do?
The BCM is a computer that manages and controls your vehicle’s non-engine related electronic functions. This includes power windows, locks, interior and exterior lights, the alarm system, wipers, and HVAC controls. It’s essential for modern vehicle comfort and convenience features.
How do I provide my VIN for programming?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We will provide clear instructions on how to do this. We cannot ship your part until we receive the VIN, as the programming is specific to your exact vehicle.
Will this fix my ‘Service Airbag’ light?
This BCM will restore communication with the airbag system (SDM), but the light will remain on until you perform the ‘Setup SDM Primary Key in BCM’ procedure with a compatible, professional-grade scan tool. This procedure is required to sync the new BCM with the airbag module.
Is this a difficult part to replace myself?
The physical replacement is generally straightforward for someone with basic mechanical skills, involving simple tools to access and unbolt the module. However, the mandatory post-installation relearn procedures for the airbag and brake systems require a bi-directional scan tool that most hobbyists do not own. We recommend the installation be completed by a professional mechanic or a highly experienced DIYer with the proper equipment.
Why is this a better option than going to a dealership?
Our solution saves you significant time and money. Dealerships typically charge a premium for the part itself, plus 1-2 hours of labor for installation and programming. By purchasing a pre-programmed module from us, you eliminate the separate, often costly, programming fee and can either install it yourself or pay a local mechanic for the simpler physical installation and relearn procedures.