Restore Your Vehicle’s Electrical Stability
Are you dealing with baffling electrical issues in your 2012 Chevrolet Captiva or another compatible GM vehicle? Flickering dashboard lights, power windows and locks with a mind of their own, or a security system that won’t cooperate are classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it falters, it can cause a cascade of frustrating and unpredictable problems. This isn’t just an inconvenience; it can affect the proper function of critical systems. This replacement Body Control Module is your direct-fit, reliable solution to restore order and get your vehicle operating as it should.
A Technician’s Notebook: The Ghost in the Machine
I remember a 2012 Acadia that came into my shop with a list of complaints that seemed completely unrelated. The radio would turn off randomly, the driver’s side power window worked intermittently, and the owner reported the security light would sometimes stay on, preventing the car from starting. He’d already replaced the battery and checked all the fuses. After connecting my diagnostic scanner, I found a series of communication error codes (U-codes) pointing to a network issue. Instead of chasing individual components, experience pointed me straight to the BCM. These modules are the traffic cops of the car’s data network. When they start to fail internally, they send out bad signals, creating system-wide chaos. We installed a VIN-programmed BCM like this one, and every single ‘ghost’ vanished. It’s a perfect example of how one central component can solve a dozen smaller problems.
Is Your Vehicle Showing These Symptoms?
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, a failing BCM is a likely culprit. This is especially true if you see communication-related Diagnostic Trouble Codes (DTCs) like U0100, U0140, or B1001.
- ✔ Intermittent or non-working power windows, door locks, or interior lights.
- ✔ Erratic behavior from the instrument cluster gauges or warning lights.
- ✔ Vehicle security system malfunctions or no-start conditions.
- ✔ Horn, wipers, or turn signals activating on their own or not at all.
- ✔ Communication errors with other vehicle modules.
- ✔ Inconsistent A/C and climate control operation.
A Straightforward Guide to Your BCM Installation
One of the biggest benefits of this module is that it arrives programmed for your specific vehicle. This eliminates the need for expensive dealer-only programming tools, making it a manageable job for a confident DIYer or any professional mechanic. While the exact location varies by model (see fitment list), the general process is similar.
- 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 the 2012 Captiva Sport, the BCM is typically found in the center dash area. For other models, it may be under the steering column or on the left-hand side of the dash.
- Disconnect and Remove: Carefully unplug the electrical connectors. Most have a locking tab that needs to be depressed. Once disconnected, unbolt or unclip the old BCM and remove it from the vehicle.
- Install the New Module: Mount your new, pre-programmed BCM in the same location. Secure it and firmly reconnect all electrical connectors, ensuring they click into place.
- Reconnect Power: Re-attach the negative battery terminal.
- Perform Final Checks: Start the vehicle and test all body functions—windows, locks, lights, wipers, etc. Note the post-installation procedures below, as some relearn steps may be necessary.
Important Post-Installation Information
To ensure full functionality, be aware of these potential requirements after installation:
- Airbag System Sync: If your airbag warning light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system. This is only required if the light is on.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure proper operation of brake lights and the traction control system.
- No Core Charge: You are not required to return your old BCM. There is no core charge associated with this purchase.
Disclaimer: Procedures can vary. We always recommend consulting a factory service manual or a qualified technician for your specific vehicle.
Guaranteed Fitment for Your GM Vehicle
This module is a direct replacement for a wide range of GM cars, trucks, and SUVs. Please verify your part number or 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 (under steering column), ID 25892622
CAPRICE 11-13
CAPTIVA SPORT 12 (center dash), ID 20921435, 20921436, or 22860591
CTS 08 (RH dash)
CTS 08-13 (LH dash)
DTS 06-11 (RH center dash)
ENCLAVE 08-12 (LH dash)
EQUINOX 07-09 (center dash)
ESCALADE 10 (under steering column), ID 20815898 or 25892622
ESCALADE ESV 10 (under steering column), ID 20815898 or 25892622
ESCALADE EXT 10 (under steering column), ID 25892622
EXPRESS 1500 VAN 08-12 (center dash)
EXPRESS 2500 VAN 08-09 (center dash)
EXPRESS 2500 VAN 10-12 (center dash)
EXPRESS 3500 VAN 08-09 (center dash)
EXPRESS 3500 VAN 10-12 (center dash)
G8 08-09 (center dash)
HUMMER H2 08-09 (LH firewall)
IMPALA 06-12 (LH dash)
IMPALA 13 (LH dash), ID 22820315
LUCERNE 06-11 (right side dash)
MONTE CARLO 06-07 (LH steering column)
OUTLOOK 07-10 (center dash)
SAVANA 1500 VAN 08-12 (center dash)
SAVANA 2500 VAN 08-09 (center dash)
SAVANA 2500 VAN 10-12 (center dash)
SAVANA 3500 VAN 08-09 (center dash)
SAVANA 3500 VAN 10-12 (center dash)
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 10 (under steering column), ID 20815898 or 25892622
YUKON XL 1500 10 (under steering column), ID 20815898 or 25892622
Frequently Asked Questions
Do I need to do any programming myself?
No. We handle all the programming for you before shipment. Just provide your vehicle’s VIN at checkout, and we will load the latest GM software specific to your car. It arrives ready to install.
What tools are required for installation?
For most models, you will only need basic hand tools like a socket set and a trim removal tool to access the BCM. No special electronic or programming tools are required for the installation itself.
Will this fix my ‘Service Theft System’ message?
In many cases, yes. The BCM is a key part of the anti-theft and security system. A failing BCM is a very common cause of security-related warnings and no-start conditions.
Is there a core charge for my old part?
Absolutely not. You can keep your old module or recycle it locally. We do not require you to send it back.
What if my part number isn’t listed but my vehicle is?
Our extensive part number list covers most variations. If your vehicle is listed but your part number is different, please contact us with your VIN. We can verify compatibility to ensure you get the correct module for your vehicle.