Restore Full Functionality to Your GM Vehicle
Are you battling bizarre electrical issues in your 2007-2009 Cadillac SRX? Flickering lights, malfunctioning power windows, or a security system that has a mind of its own are classic signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s comfort and convenience features. When it fails, it can cause a cascade of frustrating and seemingly unrelated problems. This replacement Body Control Module, part number 25826124, is the reliable, straightforward solution to get your vehicle back to normal.
We take the guesswork and hassle out of the repair. Unlike a generic module from a salvage yard or parts store, this unit arrives at your door pre-programmed to your vehicle’s specific VIN. We load the latest GM-approved software, ensuring optimal performance and compatibility right out of the box. This critical step means you can bypass the expensive and time-consuming trip to the dealership for programming. Simply provide your VIN during checkout, and we handle the rest.
From the Diagnostic Bay: The Case of the Haunted Cadillac
I’ll never forget a 2008 SRX that came into my shop. The owner was at his wit’s end. The radio would change stations on its own, the interior lights would pulse randomly, and the car wouldn’t start intermittently, showing a “Service Theft System” message. His scan tool showed a dozen communication codes (U-codes), pointing to a network problem. After verifying power and grounds to the BCM, it was clear the module itself was the culprit. These internal failures are common; I’ve seen hundreds where the circuit board develops micro-fractures. We installed a VIN-programmed 2007-2009 SRX BCM, and every single issue vanished instantly. It’s a perfect example of how one component can create widespread electrical chaos.
Common Symptoms of a Failing BCM
If your vehicle is experiencing any of the following, a faulty BCM is the likely cause. Replacing it can be the definitive fix for these headaches.
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or don’t work at all.
- ✔ The security or anti-theft system light is illuminated, preventing the car from starting.
- ✔ Wipers or the horn activating unexpectedly.
- ✔ Communication error codes, such as U0140 (Lost Communication With Body Control Module).
- ✔ Issues with keyless entry and remote start functions.
A Straightforward Guide to Installation
For the 2007-2009 Cadillac SRX, the BCM is located on the left-hand (driver’s) side of the dash. While professional installation is always an option, a confident DIYer can perform this replacement.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before beginning work.
- Locate the BCM: On the SRX, you’ll typically find the BCM mounted to the left of the steering column, often behind the lower dash panel.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that must be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location. Securely reconnect all electrical connectors, ensuring they click into place.
- Reconnect Power: Reattach the negative battery terminal.
- Perform Final Checks: Start the vehicle and test all body functions—lights, locks, windows, radio, etc. Note the post-installation procedures below, as they may be required.
Important Post-Installation Notes
After installing your new 2007-2009 SRX BCM, some vehicles may require additional electronic handshakes. This is normal. If you encounter an airbag light, the “Setup SDM Primary Key in BCM” procedure is necessary to sync the airbag system. Similarly, a “Brake Pedal Position Relearn” may be needed for correct brake light and traction control operation. These procedures require a professional-grade scan tool.
Verified Vehicle Compatibility
This module is a direct replacement for part number 25826124 and interchanges with a wide range of other GM part numbers. It is guaranteed to fit the following models and configurations:
Fitment Details:
ACADIA 07-12 (LH dash)
AVALANCHE 1500 10 (under steering column, ID 25892622)
CAPRICE 11-13
CAPTIVA SPORT 12 (center dash, ID 20921435, 20921436, 22860591)
CTS 08 (RH dash)
CTS 08-13 (LH dash)
DTS 06-11 (RH center dash)
ENCLAVE 08-12 (LH dash)
EQUINOX 07-09 (center dash)
ESCALADE/ESV/EXT 10 (under steering column, ID 20815898, 25892622)
EXPRESS/SAVANA VANS 08-12 (center dash)
G8 08-09 (center dash)
HUMMER H2 08-09 (LH firewall)
IMPALA 06-13 (LH dash)
LUCERNE 06-11 (right side dash)
MONTE CARLO 06-07 (LH steering column)
OUTLOOK 07-10 (center dash)
SRX 07-09 (LH dash)
STS 10 (center dash)
SUBURBAN 1500 10 (under steering column, ID 20815898, 25892622)
TAHOE 10 (under steering column, ID 20815898, 25892622)
TORRENT 07-09 (center dash)
TRAVERSE 09-12 (LH dash)
VUE 08-10 (center dash)
YUKON/YUKON XL 1500 10 (under steering column, ID 20815898, 25892622)
Note: Always verify your vehicle’s part number or contact us with your VIN to ensure 100% compatibility.
Frequently Asked Questions
Do I need to get this module programmed by a dealer?
No. We program the module to your vehicle’s VIN before shipping it. It arrives ready to be installed, saving you from a costly dealership visit.
What is a Body Control Module (BCM)?
The BCM is a computer in your car that controls non-engine related functions. This includes power windows, locks, lights, wipers, the security system, and more. It’s the command center for your vehicle’s body electronics.
Where is the BCM located on my 2007-2009 Cadillac SRX?
The BCM on a 2007-2009 SRX is typically found on the driver’s side, behind the lower dashboard panel and to the left of the steering column.
Is there a core charge for this part?
No, there is no core charge. You can keep your old module, so you don’t have to worry about the cost or hassle of sending it back.
What if my airbag light comes on after installation?
This can happen occasionally. It means the new BCM needs to be electronically synced with the airbag system’s computer (SDM). A professional technician with a capable scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve it.