Restore Full Electronic Functionality to Your GM Truck or Van
Are you battling frustrating electrical gremlins in your 2003-2007 GM vehicle? Issues like erratic power windows, malfunctioning interior lights, or a security system that acts up on its own are often traced back to a failing Body Control Module (BCM). The BCM acts as the central hub for your vehicle’s body electronics, and when it fails, it can cause a wide range of confusing and intermittent problems. This replacement BCM is the definitive solution to restore your vehicle’s proper operation and peace of mind.
From the Diagnostic Bay
We had a 2005 Silverado 2500 in the shop where the owner had already replaced the driver’s side window motor twice, but the window would still only work intermittently. He was convinced the wiring was bad. After a quick scan, we saw communication faults with the BCM. Instead of hours chasing wires, we identified the root cause. A new, properly programmed BCM fixed the window, the dome lights that he didn’t even mention were acting up, and a parasitic battery drain. It’s a perfect example of how a single module can create multiple, seemingly unrelated symptoms.
Common Symptoms of a Failing BCM
- ✔ Power windows, door locks, or mirrors operating erratically or not at all.
- ✔ Interior or exterior lights staying on, flickering, or not turning on.
- ✔ The security system or alarm engaging randomly.
- ✔ Horn honking unexpectedly.
- ✔ Wipers malfunctioning or activating on their own.
- ✔ “Service Electrical System” or similar warnings on the instrument cluster.
- ✔ Unexplained battery drain when the vehicle is off.
The Direct-Fit GM BCM Replacement Solution
Don’t let a faulty module keep your truck or van off the road. This is a direct-fit replacement for vehicles requiring part number 15116065 or any of its compatible alternatives. To ensure a seamless installation, we program the module specifically for your vehicle using the VIN you provide at checkout. This critical step loads the latest GM software and configures the BCM to your vehicle’s exact options, eliminating the need for an expensive trip to the dealership for programming. This is the most reliable and straightforward way to get a fully functional GM BCM Replacement.
Post-Installation Procedures
After installing your new BCM, a couple of simple relearn procedures may be necessary to ensure all systems communicate correctly. These can often be performed with a capable bi-directional scan tool.
- Airbag System Sync: If the airbag warning light is illuminated after installation, a technician will need to perform the “Setup SDM Primary Key in BCM” procedure to sync the modules.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be required for correct brake light and traction control operation.
Always consult a factory service manual or a qualified technician for vehicle-specific instructions.
This Module is a Direct Replacement for the Following Part Numbers:
15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, 10367689
Frequently Asked Questions
What is a Body Control Module (BCM)?
The BCM is a computer in your vehicle responsible for managing and controlling electronic body accessories. This includes power windows, locks, lights, wipers, the security system, and more.
How do I know this BCM will work for my vehicle?
This module fits a wide range of 2003-2007 GM trucks and vans. Please verify your original part number against our list of compatible numbers. Most importantly, we program the module using your VIN to ensure it is perfectly matched to your vehicle’s factory options.
Is this part difficult to install?
The physical installation is typically straightforward, as the BCM is usually located under the steering column or in the center dash. However, some post-installation electronic procedures, like an airbag sync or brake pedal relearn, may be required and necessitate a professional diagnostic tool.
What information do you need from me after I order?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN. We cannot ship your order until we have this information, as it is required for programming.
Do I need to send my old part back?
No. This product has no core charge, so you can keep your original module.