Restore Full Functionality to Your GM Vehicle’s Electronics
Are you battling frustrating electrical issues in your 2007-2012 GMC Acadia? Intermittent power windows, a key fob that works one minute and not the next, or dashboard lights flickering for no reason are classic signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s comfort and security features, and when it starts to go, it can create a cascade of confusing problems. This isn’t just an annoyance; it can affect vehicle security and safety systems.
Instead of facing a costly trip to the dealership for a new module and expensive programming fees, we offer a streamlined and reliable solution. This listing is for a replacement Body Control Module that utilizes a professional cloning service. We transfer the unique, essential data from your original, failing BCM directly onto this replacement unit. This ensures that your vehicle accepts the new module without any complex, tool-intensive programming on your end. It’s the most efficient way to get your Acadia or other compatible GM vehicle back to 100%.
From the Diagnostic Bay: The Case of the Confused Acadia
I remember a 2011 GMC Acadia that came into my shop last winter. The owner was at his wit’s end. The radio would randomly shut off, the power liftgate had a mind of its own, and the ‘Service StabiliTrak’ message would appear intermittently. He’d already replaced the battery and checked all the fuses. After connecting my scan tool, I found a slew of communication error codes (U-codes) pointing to a network problem originating at the 2007-2012 Acadia BCM. Instead of a difficult and expensive dealer replacement, we used a cloned BCM. The installation took less than an hour, and every single one of the strange electrical gremlins vanished. It’s a perfect example of how the right part, correctly prepared, can save hundreds in diagnostic time and unnecessary repairs.
Common Signs of a Failing BCM
If the BCM is the source of your vehicle’s issues, you might be experiencing one or more of these symptoms. A proper diagnosis is always recommended, but these are strong indicators:
- ✔ Power windows, door locks, or mirrors operate erratically or not at all.
- ✔ The key fob or remote start system fails to work consistently.
- ✔ Interior dome lights or dashboard backlights flicker or stay on, draining the battery.
- ✔ The vehicle’s security system engages randomly, preventing the car from starting.
- ✔ You see warning lights like ‘Service Airbag’ or ‘Service StabiliTrak’ on the dash.
- ✔ Communication-related Diagnostic Trouble Codes (DTCs), such as U0140, U0155, or other U-codes, are stored in the system.
A Straightforward Guide to BCM Installation
Our cloning service makes this a job that a confident DIYer or any professional mechanic can handle with ease. Here are the general steps for your Acadia:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the BCM: In the 2007-2012 GMC Acadia, the BCM is typically located on the left-hand (driver’s) side of the dashboard, often behind the lower dash panel near the steering column.
- 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, cloned BCM in the same location and securely reconnect all the electrical connectors. Ensure they click into place.
- Reconnect Power: Re-attach the negative battery terminal.
- Test and Verify: Start the vehicle and test all related functions: power windows, locks, radio, interior lights, and wipers. Check the dashboard for any warning lights.
Important Post-Installation Steps
In some cases, your vehicle may require a simple relearn procedure to fully sync with the new module. These are not always necessary but are good to be aware of:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed with a professional scan tool to sync the systems.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor relearn to ensure correct brake light operation and stability control function.
Disclaimer: Vehicle systems vary. Always have a factory service manual available for your specific model for detailed instructions and torque specs.
Guaranteed Vehicle Fitment
This BCM is a direct replacement for part number 20864768 and is compatible with a wide range of General Motors vehicles. Please verify your original part number matches one in our list. Key compatible models include:
- ✔ 2007-2012 GMC Acadia
- ✔ 2008-2012 Buick Enclave
- ✔ 2009-2012 Chevrolet Traverse
- ✔ 2007-2010 Saturn Outlook
- ✔ 2006-2013 Chevrolet Impala
- ✔ 2008-2012 Chevrolet Express / GMC Savana Vans
- ✔ 2008-2013 Cadillac CTS
- …and many more models listed in the compatibility chart.
Frequently Asked Questions
What exactly is a BCM cloning service?
Our cloning service is a process where we transfer the vital, vehicle-specific configuration data—including the VIN, mileage, and options—from your original BCM to the replacement unit. This makes the new module plug-and-play, allowing your vehicle to recognize it without needing a trip to the dealer for programming.
Do I need any special tools for installation?
For the physical swap, you’ll only need basic hand tools like a socket set and trim removal tools to access the module. No programming computers are needed. However, as noted, a professional scan tool may be required for post-installation relearn procedures like the airbag system sync if the light appears.
What happens to my original BCM?
After we perform the cloning service, we securely package and return your original module along with your newly programmed replacement. We do not keep your old part.
How do I provide my vehicle’s information for programming?
After you complete your purchase, you will need to send us your original module. The cloning process requires your physical part to extract the necessary data. We will provide clear shipping instructions.
Will this fix my ‘Service Airbag’ light?
If the airbag light is caused by a faulty BCM, this replacement will resolve the root cause. However, after installation, the system will need to be re-synced using a professional scan tool to turn the light off, as it’s a critical safety system procedure.