Are you dealing with baffling electrical issues in your Cadillac SRX? One moment the windows work, the next they don’t. The security light flashes for no reason, or your interior lights have a mind of their own. As a technician with over 20 years of experience, I’ve seen these exact frustrations countless times. The culprit is almost always a failing Body Control Module (BCM), the central command center for your vehicle’s comfort and convenience features.
Instead of facing a costly trip to the dealership for a new module and programming fees, we offer a smarter, more efficient solution. This replacement BCM is supplied with our professional Cloning Service. This means we transfer the essential data—including your vehicle’s VIN, mileage, and key information—from your original BCM directly to this replacement unit. The result? A module that is truly plug-and-play, arriving at your door ready for installation without any need for additional programming.
A Technician’s Notebook
I remember a 2008 SRX that came into the shop with a list of complaints that seemed unrelated: flickering dash lights, intermittent radio failure, and a random ‘Service Theft System’ message. The owner had already replaced the battery, but the problems persisted. A quick scan revealed communication codes with the BCM. After locating the module under the left side of the dash, we found evidence of minor water intrusion from a leaky cowl seal—a common issue. By using our cloning service, we provided the customer with a pre-programmed BCM. They installed it themselves in under an hour, solving every single issue and saving hundreds compared to the dealer quote.
Common Signs of a Failing BCM
- ✔ Intermittent or non-functional power windows, locks, or mirrors.
- ✔ Erratic behavior from interior or exterior lights (staying on or not turning on).
- ✔ “Service Theft System” or other security-related warnings on the dash.
- ✔ Malfunctioning radio, climate controls, or instrument cluster gauges.
- ✔ False alarm activations or issues with the keyless entry system.
- ✔ Diagnostic Trouble Codes (DTCs) related to communication, such as U0140, U0155, or other U-codes.
Your Straightforward Installation Guide
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the BCM: On the 2007-2009 Cadillac SRX, the BCM is typically located on the left-hand (driver’s) side of the dash, often behind the lower trim panel.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Note their orientation. Then, unbolt or unclip the module from its mounting bracket.
- ✔ Install the Replacement: Mount the new, cloned BCM in the same location and securely reconnect all electrical connectors.
- ✔ Reconnect Power: Re-attach the negative battery terminal.
- ✔ Final Checks: Start the vehicle and test all body functions (lights, windows, locks, etc.). Note that some relearn procedures may be necessary as outlined below.
Important Post-Installation Information
While our cloning service handles the primary programming, some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following potential procedures:
- Airbag System Sync: If the airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the airbag system with the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure correct brake light operation and to prevent issues with the traction control system.
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Verified Vehicle Compatibility
This BCM is a direct replacement for part number 15880684 and is compatible with a wide range of General Motors vehicles. Please verify your part number before ordering. This module fits the following vehicles, among others:
SRX 07-09 (LH dash)
CTS 08-13 (LH dash / RH dash on some 08 models)
DTS 06-11 (RH center dash)
STS 10 (Center dash)
ESCALADE, ESV, EXT 10 (Under steering column, check ID)
Chevrolet:
AVALANCHE 1500 10 (Under steering column, check ID)
CAPRICE 11-13
CAPTIVA SPORT 12 (Center dash, check ID)
EQUINOX 07-09 (Center dash)
EXPRESS VANS 08-12 (Center dash)
IMPALA 06-13 (LH dash)
MONTE CARLO 06-07 (LH steering column)
SUBURBAN 1500 10 (Under steering column, check ID)
TAHOE 10 (Under steering column, check ID)
TRAVERSE 09-12 (LH dash)
GMC:
ACADIA 07-12 (LH dash)
SAVANA VANS 08-12 (Center dash)
YUKON / YUKON XL 1500 10 (Under steering column, check ID)
Other GM Models:
BUICK ENCLAVE 08-12 (LH dash)
BUICK LUCERNE 06-11 (Right side dash)
HUMMER H2 08-09 (LH firewall)
PONTIAC G8 08-09 (Center dash)
PONTIAC TORRENT 07-09 (Center dash)
SATURN OUTLOOK 07-10 (Center dash)
SATURN VUE 08-10 (Center dash)
This module is also a direct replacement for the following part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15921352, 15921353, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084.
Frequently Asked Questions
Frequently Asked Questions
What is a “Cloning Service”?
Cloning is the process where we transfer the complete software and vehicle-specific data (like VIN, mileage, and security information) from your original BCM to the replacement one. This makes the new module a perfect digital copy, allowing for a simple plug-and-play installation.
Why do you need my VIN if you are cloning my module?
We use your VIN to verify that we are sending you the correct hardware version for your vehicle’s specific options. It also allows us to load the latest stable software updates from GM onto the module before we perform the cloning process, ensuring optimal performance.
Will I need to get my keys reprogrammed?
No. Because we clone the security data from your original module, the replacement BCM will recognize your existing keys. This is a major benefit that saves you time and money.
What happens to my original BCM?
Your original module is always sent back to you along with the programmed replacement unit. We do not keep your old part.
Is this a difficult part for a DIY mechanic to replace?
For most models, including the SRX, the replacement is straightforward for someone with basic mechanical skills. Accessing the module is usually the most challenging part. Our cloning service eliminates the most difficult step: the software programming.