Tired of Unpredictable Electrical Problems in Your Cadillac?
As a technician with over two decades of experience, I’ve seen firsthand how a failing Body Control Module (BCM) can turn a luxury vehicle like the 2010 Cadillac SRX into a source of constant frustration. One minute your power windows work, the next they don’t. The security light flashes for no reason, or worse, the vehicle won’t start due to a communication breakdown. The BCM is the central nervous system for your vehicle’s comfort and convenience features, and when it starts to fail, it creates a cascade of confusing and intermittent issues.
Forget the expensive dealership visits and the hassle of finding a shop that can program a new module. We offer a simple, reliable solution. This is a replacement BCM that comes fully programmed with your vehicle’s specific data. How? Through our professional cloning service. You simply send us your original BCM, and we transfer all the critical information—including VIN, mileage, and key data—to this replacement unit. We then ship it back to you, ready for a straightforward plug-and-play installation. It’s the most efficient way to get your SRX back to functioning perfectly without the dealership price tag.
Common Signs of a Failing BCM
If your vehicle is exhibiting any of these symptoms, a faulty Body Control Module is a likely culprit. I’ve diagnosed countless vehicles with these exact issues, often accompanied by communication-related Diagnostic Trouble Codes (DTCs) like U0140 or various B-codes.
- âś” Intermittent or non-working power windows, door locks, or interior lights.
- âś” The security or anti-theft system light stays on, preventing the car from starting.
- âś” Horn honking unexpectedly or not working at all.
- âś” Wipers behaving erratically (e.g., won’t turn off).
- âś” False warnings on the instrument cluster (e.g., “Service StabiliTrak”).
- âś” Communication errors with other modules, leading to a no-start condition.
A Technician’s Notebook: The SRX with a Mind of Its Own
A customer brought in a 2010 SRX with a truly baffling set of symptoms. The radio would switch off, the dome lights would flicker while driving, and occasionally the liftgate wouldn’t open. They had already replaced the battery, thinking it was a simple power issue. After connecting my scan tool, I found a slew of intermittent communication codes pointing to the BCM. By monitoring the data stream, I could see the BCM dropping offline randomly. We performed our cloning service, and the replacement 2010 SRX BCM resolved every single phantom issue. It’s a classic case where swapping parts randomly costs more time and money than pinpointing the true source of the electrical chaos.
Your Straightforward BCM Installation Guide
Installing your programmed 2010 SRX BCM is a manageable job for a confident DIYer. The BCM is typically located behind the lower left-hand side of the dashboard.
- Safety First: 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 2010 SRX, you’ll find the BCM on the left side of the dash. You may need to remove a lower dash panel or kick panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, remove any bolts or clips holding the module in place and take it out.
- Install the New Module: Seat the replacement BCM in the mounting bracket and secure it. Reconnect all electrical connectors firmly until they click into place.
- Power Up: Reinstall any panels you removed and reconnect the negative battery terminal. Your vehicle is now ready to go!
Important Post-Installation Information
While our programming service makes this a plug-and-play repair, some vehicle systems may require a quick synchronization procedure after the new module is installed.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a simple “Setup SDM Primary Key in BCM” procedure is needed. This requires a professional-grade scan tool to sync the modules and clear the light.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure the brake lights and traction control system function correctly.
- No Core Required: You can keep your original module as there is no core charge or need to return it.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any step.
Verified Vehicle Compatibility List
This BCM is a direct replacement for several part numbers and fits a range of GM vehicles. Please match your original part number or vehicle from the list below to ensure compatibility. This unit replaces part numbers: 13577850, 13505326, 13500384, 13574844, 13504004, 13504494, and 13578420.
- Cadillac SRX 2010: Body Control (BCM); (LH dash)
- Buick Regal 2011: Body Control (BCM); (LH dash), w/o opt AUA
- Chevrolet Cruze 2011: Body Control (BCM); (LH kick panel)
- Chevrolet Cruze 2013: Body Control (BCM); (LH kick panel), w/opt ATH
- GMC Terrain 2010: Body Control (BCM); (LH side dash), body control
- GMC Terrain 2011: Body Control (BCM); (LH side dash), with various IDs
- Chevrolet Equinox 2010: Body Control (BCM); (LH side dash), body control
Frequently Asked Questions
How does the cloning service work?
After you place your order, we will provide you with instructions to ship your original BCM to us. Our technicians will extract the unique programming and transfer it to the replacement unit. We then ship the ready-to-install BCM back to you.
Do I need to take my car to the dealer after installation?
No! Our programming service eliminates the need for any dealership programming. The module arrives ready to be installed. In rare cases, a simple relearn procedure as mentioned above may be needed, which most independent shops can perform.
Is this a guaranteed fix for my vehicle’s electrical problems?
This part will fix any issue directly caused by a faulty BCM. If you’ve matched the symptoms and part number, this is the most reliable solution. We recommend proper diagnostics to confirm the BCM is the root cause before ordering.
What is the turnaround time for the programming service?
We typically program and ship your replacement BCM within 24-48 hours of receiving your original module. You will receive a tracking number as soon as it’s on its way back to you.
Do I need to send my keys with the BCM?
No, you do not need to send your keys. All the necessary security information is stored within the BCM itself, which we will transfer during the cloning process.