Restore Your Cadillac’s Electrical System with a Plug-and-Play BCM
If your 2007-2009 Cadillac SRX is suffering from bizarre electrical problems—like power windows with a mind of their own, flickering dash lights, or a security system that randomly prevents the car from starting—the Body Control Module (BCM) is the most likely culprit. As a technician with over 20 years of experience, I’ve seen these modules fail countless times. The BCM acts as the central hub for your vehicle’s body electronics, and when it goes, it can feel like your car is haunted. Don’t let electrical gremlins ruin your driving experience.
This is a direct-fit replacement Body Control Module, arriving at your door fully programmed to your vehicle’s specific VIN. We load the latest GM software updates before shipping, ensuring optimal performance and compatibility. This means you can skip the expensive trip to the dealership for programming. It’s a straightforward solution designed to get your luxury SUV back to perfect working order quickly and affordably.
From the Diagnostic Bay: The SRX with a Ghost
A customer brought in a 2008 SRX with a list of complaints that sounded like a prank: the radio would change stations on its own, the interior lights would stay on, and the power liftgate would refuse to open. There were no engine codes, just a frustrated owner. After checking the basics, my scan tool showed multiple communication loss codes (U-codes) pointing to the BCM. Instead of a complex wiring chase, we started with the most common failure point. We installed one of our pre-programmed BCMs, and in less than an hour, every single ghost-like issue was gone. This is a classic BCM failure scenario, and a reliable, pre-programmed part is the fastest path to a fix.
Common Signs of a Failing BCM
A faulty BCM can cause a wide array of issues that may seem unrelated. If you’re experiencing any of the following, your BCM is likely the cause:
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Erratic instrument cluster behavior, such as gauges dropping to zero or warning lights (like the airbag or security light) illuminating for no reason.
- ✔ The security system preventing the engine from starting or cranking.
- ✔ Interior or exterior lights not working correctly (e.g., staying on or not turning on at all).
- ✔ Communication error codes, most commonly U0140 (Lost Communication With Body Control Module).
- ✔ Problems with the keyless entry or remote start systems.
Your Straightforward BCM Installation Guide
Installing your new 2007-2009 SRX Body Control Module is a manageable job for a DIYer. For the SRX, it’s typically located on the driver’s side, behind the lower dash panel.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Access the Module: Carefully remove the plastic trim panels under the driver’s side of the dashboard to expose the BCM. It’s a black box with several large electrical connectors.
- Disconnect and Remove: Photograph the connector layout for reference. Then, carefully release the locking tabs on each electrical connector and unplug them from the old BCM. Remove the bolts or screws holding the module in place and take it out.
- Install the New BCM: Mount your new, pre-programmed BCM in the same position and secure it. Reconnect all the electrical connectors, ensuring they click firmly into place.
- Final Steps: Re-install the dash trim panels. Reconnect the negative battery terminal. Start the vehicle to confirm that the electrical issues are resolved.
Important Post-Installation Notes
While this module is programmed for a plug-and-play installation, some GM vehicles may require a simple relearn procedure for specific systems to sync with the new BCM. This is normal. You may need a professional scan tool for the following:
- Airbag System Sync: If the airbag light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed to sync the systems.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be required for proper brake light and traction control operation.
Verified Fitment For Your General Motors Vehicle
This BCM is a direct replacement for part number 15828601 and is compatible with a wide range of GM vehicles. It also interchanges with the following part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 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. Please verify your vehicle from the list below:
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
CAPRICE 11-13 Body Control (BCM)
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435, 20921436, 22860591
CTS 08-13 Body Control (BCM); LH dash
DTS 06-11 Body Control (BCM); (RH center dash)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EQUINOX 07-09 Body Control (BCM); (center dash)
ESCALADE 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS VANS 08-12
G8 08-09 Body Control (BCM); (center dash)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
IMPALA 06-13
LUCERNE 06-11 Body Control (BCM); (right side dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SAVANA VANS 08-12
SRX 07-09 Body Control (BCM); LH dash
STS 10 Body Control (BCM); center dash
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
TORRENT 07-09 Body Control (BCM); (center dash)
TRAVERSE 09-12 Body Control (BCM); (LH dash)
VUE 08-10 Body Control (BCM); (center dash)
YUKON 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898, 25892622
Frequently Asked Questions
Frequently Asked Questions
How do I provide my VIN for programming?
After you complete your purchase, you will receive instructions to reply with your vehicle’s 17-digit VIN. We cannot ship your order until we receive this information, as we program the module specifically for your vehicle.
Is this a brand new part?
This is a professionally inspected and tested, OEM-quality part that is guaranteed to perform to factory specifications. It is programmed with the latest GM software for your vehicle.
Do I need to return my old BCM?
No, there is no core charge for this part. You can keep your original module.
Will this fix my specific problem?
This module will fix issues directly caused by a failing BCM. While the symptoms we listed are common, we always recommend a proper diagnosis by a qualified mechanic to confirm the BCM is the part you need before ordering.
What tools are needed for the post-installation procedures?
Procedures like the Airbag System Sync or Brake Pedal Position Relearn require a bi-directional professional diagnostic tool, such as a GM Tech 2 or equivalent high-end scanner. Many local repair shops can perform these services if needed.