Are you battling frustrating electrical gremlins in your GM vehicle? Issues like flickering dashboard lights, erratic power windows and locks, or a security system that prevents your car from starting can often be traced back to a single component: a failing Body Control Module (BCM). The BCM acts as the central nervous system for your vehicle’s body electronics, and when it malfunctions, it can cause a wide range of confusing and intermittent problems. This isn’t just a replacement part; it’s a complete, ready-to-install solution for your 2006-2013 GM car, truck, or SUV.
From the Diagnostic Bay
We once had a 2011 Chevy Impala in the shop with a laundry list of bizarre symptoms. The radio would turn on by itself, the driver’s side window wouldn’t go down, and the key fob worked only half the time. The owner had already replaced the battery and checked all the fuses. After connecting our diagnostic scanner, we saw multiple communication errors pointing towards the BCM. Instead of a costly trip to the dealer for a new module and programming, we installed one of our VIN-programmed units. In under an hour, all the strange electrical issues were gone. It’s a perfect example of how a faulty GM Body Control Module can mimic several different problems at once.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-working power windows, door locks, or interior lights.
- ✔ The security or anti-theft system light is on, preventing the engine from starting.
- ✔ Dashboard warning lights flicker or stay on without reason.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ Windshield wipers behaving erratically.
- ✔ Communication errors with other vehicle modules (DTC U-codes).
Why Choose Our Programmed GM Body Control Module?
Getting your vehicle back on the road shouldn’t be complicated. Dealerships often require you to purchase a new module, pay for towing, and then charge significant labor fees for programming. We eliminate that hassle. When you order from us, you provide your vehicle’s VIN, and we flash the module with the latest, most stable software directly from GM. This ensures it communicates perfectly with your vehicle’s existing components right out of the box, saving you time and money. This is a direct replacement for a wide range of part numbers, including 10382479, 15819552, 20815898, 22860591, and many more listed in the fitment guide.
Post-Installation Information
While our BCMs are designed for straightforward installation, some vehicles may require simple relearn procedures after the new module is connected. These are not signs of a defective part but are standard security and calibration steps.
- Airbag System Sync: If your airbag light is on 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 may be needed to ensure correct brake light operation and traction control function.
Always consult a factory service manual or a qualified technician if you are unsure about these procedures.
Frequently Asked Questions
What does a Body Control Module do?
The BCM is a computer that controls and monitors many of your vehicle’s non-engine related functions, such as power windows, locks, lights, security system, wipers, and more. It’s the command center for passenger comfort and convenience features.
Is this BCM truly plug-and-play?
Yes, for most vehicles. We pre-program the module to your vehicle’s VIN, so it’s ready for installation without needing a trip to the dealership. However, as noted, some vehicles may require minor post-installation relearn procedures for the airbag or brake systems.
How do I provide my VIN number?
After you complete your purchase, you will need to send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot program and ship your module without it.
What if my original part number isn’t on the list?
The provided list covers the most common interchangeable part numbers. If your number is not listed, please contact us with your VIN and original part number to confirm compatibility before ordering.
Do I need to return my old BCM?
No, there is no core charge for this module. You can keep your original part.
What tools are needed for the post-installation procedures?
The Airbag System Sync and Brake Pedal Position Relearn procedures typically require a bi-directional professional diagnostic tool, such as a GM Tech 2, Snap-on, or Autel scanner. Basic code readers cannot perform these functions.