Restore Full Functionality to Your GM Vehicle
Are you battling frustrating electrical gremlins in your 2007-2009 Cadillac SRX? Issues like flickering dashboard lights, unresponsive power windows and locks, or a security system that acts up on its own are classic signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s body electronics, and when it starts to fail, it can cause a cascade of confusing problems. In my 20+ years of diagnostics, I’ve seen faulty BCMs lead to dead batteries from parasitic draws and even no-start conditions that leave drivers stranded. Don’t let a bad module compromise your vehicle’s reliability and safety.
This replacement Body Control Module, corresponding to part number 25847589, is the definitive solution. We take the guesswork and high costs out of the repair. Simply provide your vehicle’s VIN at checkout, and our technicians will program the module with the latest GM software specific to your car’s configuration. This means it arrives at your door ready for installation, bypassing the need for an expensive trip to the dealership for programming. This is the most efficient way to get your 2007-2009 SRX Body Control Module replaced and your vehicle back to perfect working order.
From the Diagnostic Bay
A customer brought in their ’08 Cadillac SRX last month with a truly bizarre list of complaints: the radio would turn on by itself, the driver’s side window wouldn’t go down, and the anti-theft light was flashing intermittently. They had already replaced the battery, thinking it was a power issue. After hooking up my scan tool, I found a slew of U-codes (U0140, U0155) pointing to a loss of communication with the BCM. Instead of a complex wiring issue, the root cause was internal failure of the BCM itself. We installed one of our pre-programmed modules, performed the necessary SDM key setup, and all the ghost-like electrical issues vanished. The customer was thrilled to have their luxury vehicle’s features working correctly again without a massive dealership bill.
Common Signs of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The security system or keyless entry failing to operate correctly.
- ✔ Instrument cluster gauges behaving abnormally or warning lights staying on.
- ✔ Communication error codes, such as U0140, stored in other modules.
- ✔ Unexplained battery drain that kills the battery overnight.
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 technician. For the SRX, the BCM is typically located in the left-hand (driver’s side) of the dash.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: On the 2007-2009 SRX, access the BCM by removing the necessary lower dash panels on the driver’s side.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. Note their orientation. Then, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in place of the old one and securely reconnect all electrical connectors.
- Post-Installation Procedures (Crucial): Reconnect the battery. You will need a professional-grade scan tool to perform two key procedures: the ‘Setup SDM Primary Key in BCM’ to clear any airbag warnings and ensure the system is operational, and a ‘Brake Pedal Position Sensor Calibration’ to guarantee proper brake light and stability control function.
Verified Vehicle Compatibility
This module is a direct replacement for part number 25847589 and a wide range of other interchangeable part numbers. It is guaranteed to fit the following models, among others. Please verify your original part number or consult with us if you are unsure.
- ACADIA 07-12 Body Control (BCM); (LH dash)
- AVALANCHE 1500 10 BCM; (under steering column), ID 25892622
- CAPRICE 11-13 Body Control (BCM)
- CAPTIVA SPORT 12 BCM; (center dash)
- 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 BCM; (under steering column)
- ESCALADE ESV 10 BCM; (under steering column)
- ESCALADE EXT 10 BCM; (under steering column)
- EXPRESS & SAVANA VANS 08-12 BCM; (center dash)
- G8 08-09 Body Control (BCM); (center dash)
- HUMMER H2 08-09 Body Control (BCM); (LH firewall)
- IMPALA 06-13 Body Control (BCM); (LH dash)
- LUCERNE 06-11 Body Control (BCM); (right side dash)
- MONTE CARLO 06-07 BCM; (LH steering column)
- OUTLOOK 07-10 Body Control (BCM); (center dash)
- SRX 07-09 Body Control (BCM); LH dash
- STS 10 Body Control (BCM); center dash
- SUBURBAN 1500 10 BCM; (under steering column)
- TAHOE 10 BCM; (under steering column)
- 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 & YUKON XL 1500 10 BCM; (under steering column)
This module replaces 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.
Frequently Asked Questions
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and vehicle-specific options that your car came with from the factory. This ensures all features work correctly and makes the installation a true plug-and-play process, saving you a trip to the dealer.
Will this fix my car’s specific electrical problem?
This module will correct issues directly caused by a faulty BCM. If your vehicle exhibits symptoms like erratic lights, malfunctioning power accessories, security system faults, or communication error codes, a failing BCM is the most likely cause. Proper diagnosis is always recommended.
Is this a difficult part to install myself?
The physical replacement is straightforward for most DIYers with basic tools. However, the critical post-installation steps, like the SDM key setup and brake pedal calibration, require a bi-directional scan tool. If you don’t have access to one, we recommend having a professional technician complete the final steps.
What happens if I don’t do the post-installation procedures?
Skipping the ‘Setup SDM Primary Key’ will likely leave the airbag warning light on, and the supplemental restraint system may not function correctly. Neglecting the brake pedal calibration can result in improper brake light operation or issues with the vehicle’s stability control system.
Is there a core charge for my old BCM?
No, there is no core charge or need to return your old, faulty module. You can recycle it locally.