Restore Your Cadillac’s Electrical System with a Plug-and-Play Solution
Are you dealing with bizarre and frustrating electrical issues in your 2007-2009 Cadillac SRX? Flickering lights, malfunctioning power windows, a security system that acts up, or even a vehicle that refuses to start can often be traced back to a single culprit: a failing Body Control Module (BCM). As the central command for your vehicle’s body electronics, a faulty BCM can create a cascade of problems that are difficult to diagnose. This isn’t just an inconvenience; it can affect your vehicle’s safety and reliability.
Instead of facing a costly trip to the dealership for diagnostics, parts, and programming, we offer a streamlined and dependable solution. This replacement Body Control Module, part number 15819552, comes with our expert Cloning Service. We transfer the critical data from your original module to this replacement unit before it ships. This ensures that it integrates seamlessly with your vehicle’s existing systems, preserving your original mileage and security information. The result is a true plug-and-play fix that gets you back on the road without the need for expensive dealer-specific tools or software.
Case Study: A Tricky Diagnosis
I remember a 2008 GMC Acadia (which uses this same BCM family) that came into my shop with a complaint of the radio turning on and off by itself and the liftgate opening randomly. The customer had already replaced the battery and checked all the fuses. A scan showed a handful of U-codes (U0140, U0155) indicating a loss of communication with the BCM. After verifying the power and ground connections to the module were solid, we pinpointed the internal failure of the BCM. Water intrusion from a leaky sunroof drain is a common cause I’ve seen on these platforms. By replacing it with a cloned module like this one, we had the vehicle’s electronics fully restored in under an hour, saving the customer hundreds compared to the dealer quote.
Common Signs of a Failing BCM
If your vehicle is exhibiting any of these symptoms, a failing BCM is a likely cause. A proper diagnosis is always recommended, but these are classic indicators I’ve seen hundreds of times in my career.
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, locks, or mirrors working intermittently or not at all.
- ✔ The security system light flashing, or the alarm sounding for no reason.
- ✔ Instrument cluster gauges behaving erratically or going dark.
- ✔ Diagnostic trouble codes (DTCs) related to communication errors, such as U0140, U0141, or other U-codes.
- ✔ A no-start condition where the engine cranks but won’t fire up due to a security system fault.
A Straightforward Guide to BCM Installation
Installing your cloned 2007-2009 SRX Body Control Module is a manageable job for a confident DIYer. On the SRX, the BCM is typically located on the left-hand (driver’s) side of the dash, often near the steering column.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes for the systems to discharge before starting any electrical work.
- Locate the BCM: You will likely need to remove the lower dash panel beneath the steering wheel to gain access. It’s a black box with several large multi-pin electrical connectors.
- Disconnect and Remove: Carefully unplug all electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old module from its mounting bracket.
- Install the New Module: Mount your new, cloned BCM in the same position as the old one. Securely plug in all the electrical connectors, making sure each one clicks into place.
- Final Steps: Reinstall any trim panels you removed. Reconnect the negative battery terminal. Start the vehicle and test all body functions—lights, windows, locks, wipers, etc.
Important Post-Installation Notes
While our cloning service makes this a near plug-and-play process, some GM vehicles may require additional steps. Please be aware of the following possibilities:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary. This requires a professional-grade scan tool to sync the airbag system with the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn might be needed to ensure correct brake light and traction control operation.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of General Motors vehicles. Please verify your part number or match your vehicle from the list below. This part is a confirmed fit for a 2007-2009 SRX Body Control Module located in the left-hand dash area.
This module replaces the following 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
Fitment includes, but is not limited to: Acadia (07-12), Avalanche 1500 (10), Caprice (11-13), Captiva Sport (12), CTS (08-13), DTS (06-11), Enclave (08-12), Equinox (07-09), Escalade/ESV/EXT (10), Express/Savana Vans (08-12), G8 (08-09), Hummer H2 (08-09), Impala (06-13), Lucerne (06-11), Monte Carlo (06-07), Outlook (07-10), SRX (07-09), STS (10), Suburban 1500 (10), Tahoe (10), Torrent (07-09), Traverse (09-12), Vue (08-10), Yukon/Yukon XL 1500 (10).
What exactly is a BCM cloning service?
What exactly is a BCM cloning service?
Our cloning service is a process where we transfer the specific software, VIN, mileage, and security data from your original, failing BCM directly onto the replacement unit. This makes the new module an exact digital copy of the old one, allowing it to work in your vehicle without requiring a trip to the dealer for expensive programming.
Do I need any special tools for this installation?
For most installations, you will only need basic hand tools like a socket set and screwdrivers to remove the dash trim panels. Because we handle the programming via our cloning service, you do not need any special diagnostic or programming computers.
Do you keep my original BCM?
No, we do not keep your original module. After the cloning service is complete, we ship your original BCM back to you along with your ready-to-install replacement unit.
Will this fix the ‘Service Security System’ message on my dash?
In many cases, yes. The BCM is a key component of the vehicle’s anti-theft and security system. A faulty BCM is a very common cause of security system warnings and no-start conditions. Our cloning process ensures the security data matches, resolving these conflicts.
What if my airbag light comes on after I install it?
This is a possibility on some GM vehicles. It means the new BCM needs to be electronically ‘introduced’ to the airbag’s computer (SDM). This procedure, called ‘Setup SDM Primary Key in BCM’, must be performed by a mechanic with a professional-grade diagnostic tool.