Restore Full Functionality to Your GMC Acadia
Are you dealing with baffling electrical issues in your 2007-2012 GMC Acadia? Flickering dash lights, unpredictable power windows, or a security system that has a mind of its own are classic signs of a failing Body Control Module (BCM). As the central command center for your vehicle’s body electronics, a faulty BCM can turn your reliable SUV into a source of daily frustration. This isn’t just an inconvenience; it can affect vehicle security and safety systems. We offer a direct, reliable solution: a replacement Body Control Module, pre-programmed specifically for your vehicle.
Forget expensive dealership visits and the hassle of finding a shop with the right programming tools. We handle the critical software flashing for you. Simply provide your vehicle’s VIN during checkout, and our technicians will flash this BCM with the latest GM software updates tailored to your Acadia’s specific configuration. This ensures a seamless installation and restores the precise electronic functions your vehicle had when it left the factory. This is the most efficient way to solve those persistent electrical gremlins and get your Acadia running right again.
Common Signs of a Failing BCM
- ✔ Intermittent or non-working power windows, door locks, or interior lights.
- ✔ The security system or alarm activates randomly or prevents the car from starting.
- ✔ Erratic instrument cluster behavior, such as gauges dropping to zero or warning lights flashing without cause.
- ✔ Headlights or taillights staying on and draining the battery.
- ✔ Communication errors with other modules, leading to a variety of diagnostic trouble codes (DTCs).
- ✔ Complete no-start condition where the starter doesn’t engage.
Case Study: A Tricky Diagnosis
A customer brought in their 2011 GMC Acadia with a complaint that was driving them crazy: the battery would be dead every few mornings. They had already replaced the battery and alternator. After checking for parasitic draw, I noticed the draw was intermittent. Hooking up my scan tool, I saw no hard codes, but I could see the BCM wasn’t always commanding the retained accessory power to shut down. It would stay ‘awake’ long after the key was off, draining the battery. We installed one of our pre-programmed BCMs, and the problem was solved instantly. It’s a classic example of how a failing 2007-2012 Acadia BCM can cause issues that seem unrelated at first glance.
A Straightforward Guide to Installation
Installing your new 2007-2012 Acadia BCM is a manageable job for a confident DIYer. In the Acadia, the BCM is typically located on the left-hand side of the dash, near the steering column.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Locate the BCM: Remove the lower dash panel beneath the steering wheel to gain access to the BCM. It’s a black box with several large electrical connectors.
- Disconnect and Remove: Carefully unplug all electrical connectors. Note their orientation. Then, unbolt or unclip the old BCM from its mounting bracket and remove it from the vehicle.
- Install the New Module: Mount your new, pre-programmed BCM in the same location. Reconnect all the electrical connectors securely.
- Post-Installation Procedures: Reconnect the battery. You will need to perform a ‘Setup SDM Primary Key in BCM’ procedure with a capable scan tool to clear the airbag light. Some models may also require a brake pedal position sensor relearn.
Important Final Steps After Installation
To ensure all systems operate correctly after installing your new BCM, a few final configuration steps are required. These procedures sync the new module with your vehicle’s other safety systems.
- Airbag System Reset: The airbag warning light will likely be on after replacement. You must perform the ‘Setup SDM Primary Key in BCM’ procedure using a bi-directional diagnostic tool. This is a critical safety step.
- Brake Pedal Recalibration: On certain vehicles, the Brake Pedal Position Sensor may need to be recalibrated. This ensures the brake lights and stability control systems function correctly.
- Consult Your Manual: If you are unsure about these procedures, please consult your vehicle’s service manual or seek assistance from a qualified mechanic to ensure everything is completed safely and correctly.
Verified Vehicle Compatibility
This BCM is a direct replacement for part number 15837419 and is compatible with a wide range of GM vehicles. While this listing is focused on the 2007-2012 Acadia BCM, it also fits the models listed below. Always verify your part number before ordering.
- ACADIA 07-12 (LH dash)
- AVALANCHE 1500 10 (under steering column)
- CAPRICE 11-13
- CAPTIVA SPORT 12 (center dash)
- CTS 08-13 (LH/RH dash)
- DTS 06-11 (RH center dash)
- ENCLAVE 08-12 (LH dash)
- EQUINOX 07-09 (center dash)
- ESCALADE / ESV / EXT 10 (under steering column)
- EXPRESS 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)
- SAVANA VANS 08-12 (center dash)
- SRX 07-09 (LH dash)
- STS 10 (center dash)
- SUBURBAN 1500 10 (under steering column)
- TAHOE 10 (under steering column)
- TORRENT 07-09 (center dash)
- TRAVERSE 09-12 (LH dash)
- VUE 08-10 (center dash)
- YUKON / YUKON XL 1500 10 (under steering column)
This module is a direct replacement for the following 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
Do I need to do any programming myself?
No. We program the module to your vehicle’s VIN before shipping. You will, however, need a capable scan tool for post-installation procedures like the airbag system reset.
What information do you need from me?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN (Vehicle Identification Number). This is essential for us to program the BCM correctly.
Will this fix my ‘Service Airbag’ light?
A faulty BCM can cause a ‘Service Airbag’ light. While this part may resolve the root cause, you will still need to perform the ‘Setup SDM Primary Key in BCM’ procedure with a scan tool to clear the light after installation.
Is this a difficult part to replace for a DIYer?
For someone with basic mechanical skills, it is a straightforward replacement. The main challenge is accessing the BCM under the dashboard. The post-installation electronic procedures are the most technical part of the job.
What happens if I don’t perform the post-installation procedures?
Your vehicle may function, but you will have persistent warning lights (like the airbag light), and critical safety systems may not operate as intended. We strongly recommend completing all required steps.