Are you experiencing frustrating and unpredictable electrical issues in your GMC Acadia or other compatible GM vehicle? A failing Body Control Module (BCM) is often the culprit behind these perplexing problems. The BCM acts as the central nervous system for your vehicle’s body electronics, controlling everything from your power windows and locks to your interior lights and security system. When it starts to fail, it can create a cascade of seemingly unrelated issues, making diagnosis a nightmare.
This is a direct-fit replacement Body Control Module, part number 25847588, designed to restore full functionality to your vehicle. The single greatest benefit of our service is that we program the module to your vehicle’s specific VIN before it ships. This means no expensive trips to the dealership for programming. It arrives at your door ready for installation, loaded with the latest software updates from GM to ensure optimal performance and reliability.
From the Diagnostic Bay
We had a 2011 GMC Acadia come into the shop with a list of complaints that had the owner pulling their hair out. The radio would turn on and off by itself, the driver’s side window wouldn’t roll down, and the key fob worked only intermittently. The owner had already replaced the window switch and the key fob battery with no luck. After a quick scan, we saw multiple communication errors pointing towards the BCM. Instead of a complex and costly wiring chase, we installed a VIN-programmed BCM. In under an hour, every single one of the mysterious electrical gremlins was gone. It’s a perfect example of how one component can solve a dozen problems.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-functional power windows, door locks, and mirrors.
- ✔ Erratic behavior from interior or exterior lights (flickering, staying on, or not turning on).
- ✔ The security or anti-theft light stays on, preventing the vehicle from starting.
- ✔ Unresponsive or malfunctioning climate controls.
- ✔ The radio or infotainment system behaves erratically.
- ✔ False warnings appearing on the instrument cluster.
- ✔ Remote keyless entry (key fob) stops working reliably.
Guaranteed Fitment for Your 2007-2012 Acadia BCM
This module is a direct replacement for a wide range of GM vehicles, including the 2007-2012 GMC Acadia. To ensure compatibility, please match your original part number to one of the numbers on our extensive cross-reference list. Providing us with your VIN during checkout is mandatory, as this allows us to program the module specifically for your vehicle’s factory options.
Post-Installation Requirements
While this module is designed for straightforward installation, some vehicles may require additional steps to sync with other onboard systems. Please be aware of the following potential procedures:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure correct brake light operation and to satisfy the traction control system.
Always consult a factory service manual or a qualified technician for vehicle-specific instructions.
Frequently Asked Questions
What is a Body Control Module (BCM)?
The BCM is a computer in your vehicle responsible for managing and controlling various electronic accessories, such as lighting, windows, security systems, door locks, and climate controls.
How do I know if my BCM is the problem?
Common signs include multiple, unrelated electrical issues happening at once, such as flickering lights, non-working power windows, and key fob problems. A diagnostic scan by a professional can confirm BCM failure by revealing specific communication error codes.
Do I need to get this BCM programmed?
No. We handle all the programming for you before we ship the part. Simply provide your vehicle’s VIN at checkout, and the module will arrive ready to be installed.
Where is the BCM located on a 2007-2012 GMC Acadia?
On the 2007-2012 GMC Acadia, the Body Control Module is typically located on the left-hand (driver’s side) of the dashboard, often behind the lower dash panel.
Is there a core charge for this part?
No, there is no core charge. You are not required to send your old, faulty module back to us.