Is Your GM Vehicle Acting Possessed?
Are your power windows operating on their own schedule? Do your interior lights flicker randomly, or does the security light stay on, preventing your car from starting? These aren’t just annoyances; they’re 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 starts to go, it can cause a cascade of frustrating and unpredictable electrical problems. In my 20+ years as a technician, I’ve seen BCM failure manifest in countless ways, from a simple non-working dome light to a complete no-start condition that leaves drivers stranded.
Real-World Diagnosis: “A customer’s 2011 Chevy Traverse came into the shop last month with the radio cutting out and the liftgate refusing to open. The dashboard was lit up with various communication error codes. After ruling out wiring issues, we identified a faulty BCM. The internal circuits, especially on these 2006-2013 models, can become compromised over time, leading to these exact symptoms. Replacing it with a properly programmed unit is the only reliable fix.”
The Direct-Fit Solution: A Programmed GM Body Control Module
Don’t waste time and money at the dealership. This Body Control Module is the definitive solution to restore your vehicle’s functionality. We take the hassle out of the repair by programming the module specifically to your vehicle’s Vehicle Identification Number (VIN) before we ship it to you. This means it arrives ready for installation, loaded with the latest GM software updates to ensure peak performance and compatibility.
- โ VIN Programmed: Arrives flashed with your vehicle’s specific software. No expensive dealer programming is required.
- โ Restores Functionality: Fixes common issues like erratic power windows/locks, security system faults, and communication errors.
- โ Latest Software: We load the newest GM-approved calibrations for improved reliability and performance.
- โ Guaranteed Compatibility: A direct replacement for a wide range of original part numbers.
Simple Installation Process
While the location varies by model (from under the steering column to behind the dash), the replacement process is straightforward for a confident DIYer or any professional mechanic.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: Identify the location of your old BCM. Common spots include the left side of the dash (Impala, Acadia) or the center dash area (Equinox, Express Vans).
- Swap the Module: Carefully unplug the electrical connectors from the old BCM and remove any mounting bolts or clips. Install the new module in its place and securely re-attach all connectors.
- Reconnect Power: Re-attach the negative battery terminal.
- Perform Re-learn Procedures: Follow the critical post-installation steps below to ensure all systems are synchronized.
Important: Post-Installation Procedures Required
After installing your new BCM, two critical steps are often necessary to ensure full system functionality and safety. These procedures require a professional-grade diagnostic scan tool.
- Airbag System (SRS): You must perform the ‘Setup SDM Primary Key in BCM’ procedure. This synchronizes the new BCM with the airbag system’s Sensing and Diagnostic Module (SDM). Failing to do this will leave the airbag warning light illuminated on your dash.
- Brake System: Some vehicles, particularly those with advanced stability control, may require a Brake Pedal Position Sensor recalibration. This ensures the brake lights and ABS/traction control systems function correctly.
Confirmed Vehicle Fitment:
This module is a confirmed fit for a vast range of 2006-2013 General Motors vehicles. Please verify your model and year below. Note that some models require matching the ID number from your original part.
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) & 08-13 (LH 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 VANS 08-12
G8 08-09 (center dash)
HUMMER H2 08-09 (LH firewall)
IMPALA 06-12 (LH dash) & 13 (LH dash), ID 22820315
LUCERNE 06-11 (right side dash)
MONTE CARLO 06-07 (LH steering column)
OUTLOOK 07-10 (center dash)
SAVANA VANS 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
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