Restore Your Vehicle’s Electrical Functions with a Reliable BCM
Are you dealing with a cascade of bizarre electrical problems in your 2011-2013 Chevrolet Caprice? One moment the power windows won’t work, the next the interior lights are flickering, or the security system is acting up for no reason. These frustrating, seemingly unrelated issues often point to one central culprit: a failing Body Control Module (BCM). As the nerve center for your vehicle’s comfort and convenience features, a faulty BCM can make your car feel unpredictable and unreliable. This isn’t just an inconvenience; it can affect vehicle security and safety systems.
This replacement Body Control Module is the definitive solution. We take the guesswork and hassle out of the repair by pre-programming the module to your vehicle’s specific VIN. This means it arrives at your door with the latest GM software updates already installed, ready for installation. You get to skip the expensive trip to the dealership for programming, saving you both time and money. Simply provide your VIN at checkout, and we’ll handle the rest, ensuring a seamless integration with your vehicle’s existing systems.
A Technician’s Notebook: The Ghost in the Machine
I remember a 2012 Impala (which uses a very similar BCM) that came into the shop with a list of complaints that seemed endless. The owner was convinced the car was haunted. The radio would change stations on its own, the door locks would cycle while driving, and the dome light would stay on, draining the battery. A quick scan showed a dozen communication error codes, including the notorious U0140 (Lost Communication With Body Control Module). Instead of chasing each individual ghost, my experience pointed straight to the BCM. After confirming power and ground to the module were solid, we knew it was failing internally. Swapping in a VIN-programmed BCM like this one solved every single issue instantly. It’s a classic case where one part failure mimics a dozen different problems.
Common Signs of a Failing BCM
If your vehicle is experiencing any of the following, a failing BCM is the likely cause. Don’t let these issues go unchecked.
- ✔ Power windows, mirrors, or locks operating intermittently or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The anti-theft or security system light staying illuminated, preventing the car from starting.
- ✔ Inaccurate or non-functional gauges on the instrument cluster.
- ✔ A/C and heater controls not responding correctly.
- ✔ Communication error codes stored, such as U0140, U0155, or other “U” codes.
Your Straightforward BCM Installation Guide
Replacing the BCM is a manageable job for a confident DIYer. Follow these general steps for a successful installation.
- 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 2011-2013 Caprice, the Body Control Module is typically located inside the cabin, often on the driver’s side behind the lower dashboard or near the steering column. Consult a service manual for the exact location on your specific vehicle.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket and remove it.
- Install the New Module: Mount your new, pre-programmed BCM in the same location. Reconnect all electrical connectors firmly, ensuring they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting the engine) and test your electronics—windows, locks, lights, and radio—to confirm functionality.
Post-Installation Checks & Relearns
Because this module is pre-programmed, most functions should work immediately. However, depending on your vehicle’s specific configuration, a couple of additional steps might be needed:
- Airbag System Sync: If the airbag warning light is on after installation, it’s a communication mismatch. A professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the modules and clear the light.
- Brake Pedal Position Relearn: In some cases, a brake pedal position sensor recalibration may be required to ensure proper operation of the brake lights and traction control system.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a qualified technician for procedures specific to your vehicle.
Verified Vehicle Compatibility
This module is a direct replacement for part number 25847589 and is compatible with a wide range of GM vehicles. Please verify your part number or consult the list below. This part is guaranteed to fit the following models:
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
CAPRICE 11-13 Body Control (BCM)
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435, 20921436, or 22860591
CTS 08-13 Body Control (BCM); LH dash
CTS 08 Body Control (BCM); RH dash
DTS 06-11 Body Control (BCM); (RH center dash)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EQUINOX 07-09 Body Control (BCM); (center dash)
ESCALADE 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 08-12 Body Control (BCM)
EXPRESS 3500 VAN 08-12 Body Control (BCM)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
IMPALA 06-12 Body Control (BCM); (LH dash)
IMPALA 13 Body Control (BCM); (LH dash), ID 22820315
LUCERNE 06-11 Body Control (BCM); (right side dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
OUTLOOK 07-10 Body Control (BCM); (center dash)
G8 08-09 Body Control (BCM); (center dash)
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
SAVANA 2500 VAN 08-12 Body Control (BCM)
SAVANA 3500 VAN 08-12 Body Control (BCM)
SRX 07-09 Body Control (BCM); LH dash
STS 10 Body Control (BCM); center dash
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
TORRENT 07-09 Body Control (BCM); (center dash)
TRAVERSE 09-12 Body Control (BCM); (LH dash)
VUE 08-10 Body Control (BCM); (center dash)
YUKON 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
This module also fits 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, 25892622, 25910474, 25934762, 25934763, 95151084.
Frequently Asked Questions
Frequently Asked Questions
What exactly does the Body Control Module do?
The BCM is a computer that manages many of your car’s non-engine related functions, such as power windows, locks, lighting, security system, wipers, and climate controls. It acts as a central hub for these systems.
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the correct software and settings for your specific vehicle’s options and features. This ensures compatibility and proper function right out of the box.
Is this a difficult part to install myself?
For someone with basic mechanical skills, the physical replacement is straightforward. The main challenge is typically accessing the module’s location. Our VIN programming eliminates the need for dealer-level computer tools, making it much more DIY-friendly.
What if my airbag light comes on after installation?
This can happen occasionally and requires a ‘Setup SDM Primary Key in BCM’ procedure to sync the new BCM with the airbag module. This procedure must be done with a professional-grade bidirectional scan tool.
Do I need to return my old BCM?
No, there is no core charge for this part. You can keep your old module, which saves you the hassle and cost of return shipping.