Restore Your Cadillac’s Electrical Functions and Reliability
Are you battling bizarre and frustrating electrical issues in your 2007-2009 Cadillac SRX? Problems like flickering interior lights, power windows with a mind of their own, intermittent starting problems, or a security light that won’t turn off are often traced back to a single component: a failing Body Control Module (BCM). As the central computer for your vehicle’s comfort and convenience features, a faulty BCM can wreak havoc. This replacement module, part number 25847588, is the definitive solution to restore your SRX’s proper operation and your peace of mind.
We take the guesswork and hassle out of the repair. Unlike a generic part from a big-box store, we program this BCM specifically to your vehicle’s VIN before it ships. This means it arrives ready for installation, loaded with the latest GM software updates, and configured to communicate seamlessly with your SRX’s other systems. You get to skip the expensive trip to the dealership for programming, saving you both time and money.
A Technician’s Notebook
I remember a 2008 SRX that came into my bay with a laundry list of complaints from the owner. The radio would randomly shut off, the driver’s side power lock was inoperative, and the battery would be dead every few mornings. The owner had already replaced the battery and alternator. After connecting my scan tool, I saw a dozen communication loss codes (U-codes) pointing to the BCM. These modules are notorious for internal circuit board failures, causing parasitic draws and erratic behavior. We installed a VIN-programmed BCM, and it was like giving the car a new brain. All the phantom issues vanished. This is a repair that truly restores the vehicle’s functionality.
Is Your SRX Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is likely the culprit. In my 20+ years of experience, these are the most common indicators I’ve seen in the shop.
- âś” Power windows or door locks working intermittently or not at all.
- âś” Interior or exterior lights flickering, staying on, or not turning on.
- âś” The security system acting erratically or preventing the car from starting.
- âś” The horn sounding randomly or not working when pressed.
- âś” A persistent battery drain that leaves you with a dead battery.
- âś” Communication error codes stored, such as U0140 (Lost Communication With Body Control Module).
- âś” Inconsistent operation of the radio, climate controls, or instrument cluster gauges.
Your Straightforward BCM Installation Guide
Installing your new 2007-2009 SRX Body Control Module is a manageable job for a confident DIYer or any professional mechanic. With our pre-programming, the most complex step is already done for you.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Locate the BCM: On the 2007-2009 Cadillac SRX, the Body Control Module is typically located on the left-hand (driver’s) side of the dash, often behind the lower dash panel near the steering column.
- Access the Module: You will likely need to remove the lower dash trim panel to gain access. This is usually held in place by a few screws and clips.
- 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 module from its mounting bracket and remove it.
- Install the New BCM: Mount your new, pre-programmed module in the same location and securely reconnect all electrical connectors.
- Reconnect Battery: Reattach the negative battery terminal and tighten it securely.
- Perform Relearns (If Needed): Start the vehicle. In some cases, you may need to perform additional procedures. If the airbag light is on, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. A ‘Brake Pedal Position Relearn’ may also be required for proper brake light and traction control operation.
Verified Vehicle Compatibility
This BCM is a direct replacement for a wide range of General Motors vehicles. We will program it specifically for your 2007-2009 Cadillac SRX. It also replaces the following part numbers, ensuring a perfect match for your original equipment:
Interchangeable 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
This part also fits models such as: Acadia, Enclave, Traverse, Equinox, Torrent, Vue, Outlook, Captiva Sport, Impala, Monte Carlo, Lucerne, DTS, STS, CTS, G8, Caprice, Tahoe, Suburban, Yukon, Escalade, Avalanche, Hummer H2, Express Van, and Savana Van. Please verify your part number for these other applications.
Frequently Asked Questions
How does the VIN programming process work?
After you complete your purchase, simply send us your 17-digit Vehicle Identification Number (VIN). Our technicians will use it to program the BCM with the exact software and calibrations for your specific vehicle, ensuring it works correctly right out of the box.
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your old module, which can be helpful for reference or if you ever need to revert to the original part for any reason.
Is this a difficult part to install myself?
For someone with basic mechanical skills and tools, this is a very manageable repair. The most challenging part is typically accessing the module’s location under the dashboard. Since we handle the programming, the electronic side of the job is plug-and-play.
Will I definitely need to perform the airbag or brake relearn procedures?
Not always. It depends on the specific vehicle and its configuration. The airbag light will only come on if the new BCM and the airbag system (SDM) lose their security sync. The brake pedal relearn is also conditional. Many installations require no additional steps, but it’s important to be aware of the possibility.
What happens if I don’t replace a failing BCM?
Ignoring a failing BCM can lead to worsening electrical problems, including a no-start condition that could leave you stranded. It can also affect safety systems like brake lights and security, making replacement a critical repair for both reliability and safety.