Is Your GM Vehicle Plagued by Bizarre Electrical Issues?
If you’re dealing with flickering lights, malfunctioning power windows or locks, or a security system that has a mind of its own, a failing Body Control Module (BCM) is the likely culprit. The BCM acts as the central command center for your vehicle’s body electronics, and when it starts to fail, it can create a cascade of frustrating and seemingly unrelated problems. This replacement Body Control Module, part number 15299986, is the definitive solution to restore order and functionality to your vehicle.
From the Diagnostic Bay
We recently had a 2008 Chevy Equinox in the shop with a list of symptoms that had the owner pulling their hair out. The radio would randomly shut off, the dome lights would stay on, and the key fob worked only intermittently. The owner had already replaced the battery and checked fuses with no luck. After connecting our diagnostic scanner, we saw multiple communication errors pointing towards the BCM. We installed one of our pre-programmed modules, and like magic, every single electrical gremlin vanished. It’s a common failure, but seeing the relief on the owner’s face when everything just *works* again is why we do this.
Diagnosing a Faulty Equinox Body Control Module
A failing BCM can manifest in many ways, often mimicking other component failures. This can make diagnosis tricky for the average DIYer. Here are the most common symptoms associated with a BCM that needs replacement:
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that won’t turn on or off, or flicker randomly.
- ✔ The security system light stays on, or the alarm goes off for no reason.
- ✔ Intermittent no-start condition where the engine cranks but won’t fire up.
- ✔ Dashboard warning lights (like ABS, Airbag, or Traction Control) illuminating without cause.
- ✔ Key fob not being recognized by the vehicle.
- ✔ Gauges on the instrument cluster behaving erratically or not working at all.
A True Plug-and-Play Solution
Don’t waste time and money at the dealership. We take the hassle out of the replacement process. When you purchase this module, you simply provide us with your vehicle’s VIN. Our technicians will then program the BCM with the latest GM software specific to your car’s configuration. This ensures that when the part arrives, it’s ready for installation right out of the box, saving you from expensive dealer programming fees and vehicle downtime.
Important Post-Installation Information
While our programming handles the majority of the setup, some vehicles may require simple relearn procedures after installation. These are typically straightforward and can sometimes be completed without special tools, though a professional scan tool is recommended for the airbag system.
- Airbag System Sync: If your airbag warning light is on after installation, a procedure called ‘Setup SDM Primary Key in BCM’ is needed to sync the new BCM with the airbag system. This requires a professional-grade diagnostic tool.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be necessary to ensure correct brake light and traction control operation.
Always consult a factory service manual or a qualified technician for guidance specific to your vehicle.
Frequently Asked Questions
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to program the Body Control Module with the exact software and settings for your vehicle’s specific options and features. This makes the installation process as simple as possible and ensures compatibility.
Is this BCM difficult to install?
The physical installation is typically straightforward for someone with basic mechanical skills. The BCM is usually located under the dash. The main benefit of our service is that the complex programming is already done, eliminating the most difficult part of the job.
What happens if I don’t do the Airbag System Sync?
If the airbag light is on after you install the BCM, the airbag system will be inactive until the sync procedure is performed. It is a critical safety step that should not be skipped if the warning light is present.
Will this fit vehicles other than the 2007-2009 Equinox?
Yes. This BCM is compatible with a very wide range of GM vehicles, including the Acadia, Traverse, Impala, Express/Savana vans, and many more. Please check the detailed fitment list on this page to confirm compatibility with your specific model and year.
Is there a core charge?
No, there is no core charge for this part. You can keep your old module without needing to send it back to us.