Restore Full Electrical Function to Your Vehicle
Are you battling frustrating electrical issues in your GMC Acadia or other compatible GM vehicle? Intermittent power windows, flickering lights, a malfunctioning security system, or strange instrument cluster behavior are all classic signs of a failing Body Control Module (BCM). The BCM acts as the central nervous system for your vehicle’s body electronics, and when it falters, it can cause a cascade of confusing and unpredictable problems. This isn’t just an annoyance; it can be a safety concern. This listing offers a direct, reliable solution: a replacement Body Control Module, part number 15828601, that arrives pre-programmed specifically for your vehicle.
Diagnosing and Replacing Your 2007-2012 Acadia BCM
A faulty BCM can mimic a wide range of other component failures, leading to costly and time-consuming misdiagnoses. Before you start replacing individual switches and motors, consider if the BCM itself is the root cause. If multiple, unrelated electrical systems are acting up simultaneously, the BCM is a prime suspect. Our solution simplifies the repair process. We take the guesswork and the expensive dealership trip out of the equation. By providing us with your vehicle’s VIN during checkout, our technicians will flash this module with the latest GM software updates and your vehicle’s specific configuration. This ensures that when the part arrives, it’s ready for a straightforward installation.
From the Diagnostic Bay
We once had a 2011 GMC Acadia in the shop with a laundry list of complaints from the owner. The dome lights wouldn’t turn off, the driver’s side power window worked only when it wanted to, and the remote key fob was unresponsive. The owner had already replaced the window switch and a handful of fuses with no success. After connecting our diagnostic tool, we saw multiple communication error codes pointing back to a single source. Instead of chasing individual symptoms, we identified the failing BCM as the culprit. Swapping in a VIN-programmed BCM like this one resolved all the issues in one go, saving the customer from further diagnostic headaches and unnecessary parts expenses.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights staying on, not turning on, or flickering.
- ✔ Malfunctioning security system, including random alarm activation or key fob issues.
- ✔ Incorrect readings or warning lights on the instrument cluster.
- ✔ Problems with the radio, climate control, or other interior accessories.
- ✔ A potential no-start condition if the BCM fails to recognize the key’s security chip.
- ✔ Communication errors with other vehicle modules (DTC U-codes).
Installation and Post-Install Considerations
While this 2007-2012 Acadia BCM is designed for a direct-fit installation, some vehicles may require additional steps after the module is connected. These are known as ‘relearn’ or ‘synchronization’ procedures. For example, if your airbag warning light illuminates after installation, a ‘Setup SDM Primary Key in BCM’ procedure may be necessary using a professional scan tool. Similarly, a ‘Brake Pedal Position Relearn’ might be required to ensure proper brake light and traction control operation. These procedures are not always necessary but are important to be aware of. Always consult a factory service manual or a qualified technician for guidance specific to your vehicle.
This module is a direct replacement for a wide range of part numbers, ensuring broad compatibility. Please verify your original part number against the list below to confirm fitment.
Compatible 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
What does a Body Control Module do?
The Body Control Module (BCM) is a computer in your vehicle that manages and controls a wide variety of electronic accessories not related to the engine. This includes power windows, locks, lights, wipers, the security system, and the instrument cluster, among others.
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and settings for your vehicle’s specific options and configuration. This makes the installation process much simpler and ensures all features work correctly without a trip to the dealership for programming.
Is this BCM difficult to install?
The physical installation is typically straightforward, involving disconnecting the battery and swapping the module, which is often located under the dashboard. However, as mentioned, some vehicles may require post-installation electronic procedures with a compatible scan tool to sync the new BCM with other systems like the airbag or brake sensors.
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your original module without needing to return it.
What happens if my airbag light is on after installation?
If the airbag light comes on, it means the new BCM needs to be electronically synced with the vehicle’s airbag system (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure, which must be performed by a mechanic with a professional-grade diagnostic tool.