Restore Full Functionality to Your Cadillac SRX
Is your 2007-2009 Cadillac SRX acting possessed? Flickering lights, malfunctioning power windows, a security system that won’t cooperate, or even a frustrating no-start condition can often be traced back to one component: a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, when the BCM goes down, it can create a cascade of confusing and annoying problems. This isn’t just an inconvenience; it can be a safety issue. Don’t let electrical gremlins take your luxury SUV off the road.
We offer a reliable, direct-fit solution with this replacement Body Control Module. The best part? We handle the complicated part for you. Simply provide your vehicle’s VIN at checkout, and our technicians will program the module with the latest GM software specifically for your SRX. This means no expensive trips to the dealership for programming and no need for specialized scan tools. It’s the most efficient way to get your vehicle back to 100%.
A Technician’s Notebook: The SRX BCM Puzzle
I remember a 2008 SRX that came into the shop with a laundry list of complaints from the owner: the radio would turn on and off, the interior lights would stay on, and worst of all, the key fob would intermittently fail to unlock the doors. The customer had already replaced the battery and checked all the fuses. After connecting my diagnostic tool, I saw a slew of U-codes (communication errors) pointing to the BCM. These modules, especially on this platform, can suffer from internal circuit board failures, causing a communication breakdown on the CAN bus network. Replacing the BCM with this pre-programmed unit solved every single issue in one go, saving the customer hundreds compared to a dealership repair.
Common Signs of a Failing BCM
If your SRX is experiencing any of the following, a faulty BCM is the likely culprit. A failing module can often set communication-related Diagnostic Trouble Codes (DTCs) like U0140, U0155, or U0164.
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, locks, or mirrors working intermittently or not at all.
- ✔ The security system acting up, causing alarm or starting issues.
- ✔ The radio or instrument cluster turning on and off randomly.
- ✔ Key fobs that are no longer recognized by the vehicle.
- ✔ A persistent “Service Theft System” message on the dash.
Your Straightforward SRX BCM Installation Guide
Installing your new BCM is a manageable task for a confident DIYer. For the 2007-2009 SRX, the BCM is located behind the left-hand (driver’s side) of the dashboard. Always consult a vehicle-specific service manual for detailed diagrams.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow all systems to power down completely.
- Access the Module: You will likely need to remove the lower dash panel and knee bolster on the driver’s side to gain access to the BCM.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that must be depressed. Once disconnected, unbolt or unclip the old module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical connectors. Ensure they click into place.
- Reconnect Power: Re-install any trim panels you removed and then reconnect the negative battery terminal.
- Perform Post-Install Checks: Start the vehicle and test all body functions—lights, locks, windows, radio, etc. Note the post-installation procedures below, as some may be required.
Important Post-Installation Procedures
Because this module is central to many systems, a few additional steps may be needed after installation to ensure everything communicates correctly. These often require a high-level scan tool.
- Airbag System Sync: If the airbag warning light is on after installation, a procedure called “Setup SDM Primary Key in BCM” is required. This syncs the new BCM with the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Relearn: To ensure proper brake light and traction control operation, a brake pedal position sensor relearn procedure may be necessary.
- No Core Charge: You can keep your old part; there is no core charge or need to return the original module.
Disclaimer: Procedures can vary. Always consult a factory service manual or a qualified technician for guidance specific to your vehicle.
Verified Vehicle Compatibility
This Body Control Module is a direct replacement for a wide range of GM vehicles. Please verify your original part number against the list below. This module is guaranteed to fit the following models with the specified options:
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
ACADIA 07-12 (LH dash)
AVALANCHE 1500 10 (under steering column)
CAPRICE 11-13
CAPTIVA SPORT 12 (center dash)
CTS 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)
EXPRESS / SAVANA VANS 08-12 (center dash)
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)
SRX 07-09 (LH dash)
STS 10 (center dash)
SUBURBAN 1500 10 (under steering column)
TAHOE / YUKON / YUKON XL 10 (under steering column)
TORRENT 07-09 (center dash)
TRAVERSE 09-12 (LH dash)
VUE 08-10 (center dash)
Do I need to program this BCM?
No. We program the module to your vehicle’s VIN before shipping. It arrives ready to be installed, saving you a trip to the dealer.
How do I provide my VIN?
Simply enter your 17-digit Vehicle Identification Number (VIN) during the checkout process. We cannot ship the module until we have this information.
Is there a core charge for my old part?
No, there is absolutely no core charge. You can keep or recycle your original BCM.
Where is the BCM located on my 2007-2009 SRX?
The Body Control Module on the ’07-’09 SRX is located on the driver’s side, behind the lower part of the dashboard near the steering column.
What if the airbag light comes on after I install it?
This is a known possibility. It means the new BCM needs to be electronically ‘introduced’ to the airbag system (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure with a professional-grade scan tool.
Will this fix my specific electrical problem?
This module is the definitive solution for issues caused by a failed BCM. If you’re experiencing multiple, seemingly unrelated electrical problems like those listed in our symptoms section, a faulty BCM is the most probable cause.