Restore Your Cadillac’s Electronics with a Plug-and-Play Solution
Are you tired of dealing with baffling electrical issues in your Cadillac SRX? Flickering lights, power windows with a mind of their own, or a security system that randomly acts up are classic signs of a failing Body Control Module (BCM). As the central command center for your vehicle’s body electronics, a faulty BCM can cause a cascade of frustrating and unpredictable problems. This isn’t just an annoyance; it can affect the daily operation and security of your vehicle. We offer a dependable, straightforward solution to get your SRX back to perfect working order.
This isn’t just a replacement part; it’s a complete service. We take your vehicle’s VIN and program this BCM with the latest GM software specifically for your 2007-2009 SRX Body Control Module. This means no expensive trips to the dealership for programming. It arrives at your door ready for installation, saving you significant time and money.
From the Diagnostic Bay: A Technician’s Notebook
Just last month, a 2008 Cadillac SRX was towed to my shop with a list of symptoms that sounded like the vehicle was possessed. The owner reported the interior lights wouldn’t turn off, the driver’s side power window was dead, and the remote key fob worked intermittently. A quick scan with my diagnostic tool revealed a slew of U-codes (communication errors) pointing to the BCM. After confirming power and ground to the module were good, it was clear the BCM itself had failed internally—a common issue I’ve seen hundreds of times, often caused by voltage spikes or moisture exposure over the years. We installed one of our VIN-programmed modules, and within an hour, every single issue was resolved. The customer was thrilled to have their luxury vehicle’s features fully restored without the high dealership price tag.
Is Your Cadillac Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your BCM needs attention:
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors not working correctly.
- ✔ The anti-theft or security system malfunctioning or preventing the car from starting.
- ✔ The dashboard displaying incorrect warnings or information.
- ✔ Wipers or radio turning on and off by themselves.
- ✔ Diagnostic trouble codes (DTCs) related to communication errors, such as U0140, U0155, or other U-series codes.
A Straightforward Guide to Your BCM Swap
Installing your new 2007-2009 SRX Body Control Module is a manageable job for a DIY enthusiast. For the 2007-2009 SRX, the BCM is typically located on the left-hand (driver’s) side of the dash.
- 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 SRX, you’ll likely need to remove the lower dash panel beneath the steering column to gain access. It’s a black box with multiple large electrical connectors.
- Swap the Module: Carefully disconnect all electrical connectors from the old BCM. They have locking tabs that need to be depressed. Unbolt the old module from its mounting bracket and secure the new one in its place.
- Reconnect and Test: Firmly re-seat all electrical connectors into your new, pre-programmed BCM. Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all functions—lights, windows, locks, etc.
Important Post-Installation Procedures
After installing your new BCM, two critical steps may be required to ensure full system integration and safety. These procedures often require a professional-grade scan tool.
- Airbag System Reset: If the airbag warning light is on, you must perform the ‘Setup SDM Primary Key in BCM’ procedure. This re-establishes communication between the new BCM and the airbag system’s Sensing and Diagnostic Module (SDM).
- Brake Pedal Position Sensor Relearn: Some vehicles require the Brake Pedal Position (BPP) sensor to be recalibrated. This is essential for proper brake light operation and stability control system function.
Guaranteed Fitment for Your Vehicle
This BCM is a direct-fit replacement for the 2007-2009 Cadillac SRX. It also serves as a replacement for a wide range of other GM vehicles and supersedes numerous part numbers. Please provide your VIN upon purchase to guarantee perfect programming for your specific vehicle.
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
Fits a wide range of models including: Acadia, Avalanche, Caprice, Captiva Sport, CTS, DTS, Enclave, Equinox, Escalade, Express Van, G8, Hummer H2, Impala, Lucerne, Monte Carlo, Outlook, Savana Van, STS, Suburban, Tahoe, Torrent, Traverse, Vue, Yukon.
Frequently Asked Questions
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and vehicle-specific options that your SRX came with from the factory. This ensures all features work correctly and makes the installation process plug-and-play, avoiding a costly trip to the dealer.
Is this part difficult to install myself?
For someone with basic mechanical skills, swapping the BCM is very manageable. The main challenge is accessing it under the dashboard. However, the post-installation procedures like the airbag key setup may require a bi-directional scan tool that most DIYers don’t own. We recommend consulting a professional technician if you are not comfortable with these final steps.
Will this fix my car not starting?
It might. A faulty BCM can interfere with the vehicle’s anti-theft system (Passlock/Passkey), which can prevent the engine from starting. If your ‘Security’ light is on and the car won’t start, a bad BCM is a likely culprit.
What is your warranty policy on this module?
We stand by our products with a comprehensive warranty. Please see the warranty tab on this page for full details regarding coverage period and terms for this specific Body Control Module.
Is this a new or used part?
This is a high-quality, inspected, and tested module that is guaranteed to perform to OEM standards. Each unit is programmed with the latest GM software and verified before shipment.