Is your GM truck or van plagued by frustrating electrical problems?
If you’re dealing with flickering lights, malfunctioning power windows and locks, a security system that acts on its own, or other bizarre electronic behavior, a failing Body Control Module (BCM) is the most likely culprit. The BCM is the central command center for your vehicle’s body electronics. When it fails, it can cause a cascade of issues that are not only annoying but can also compromise your vehicle’s safety and functionality.
This replacement BCM, part number 15116065, is the definitive solution to restore your vehicle’s electronic systems to perfect working order. We take the guesswork and hassle out of the repair by programming the module to your vehicle’s specific VIN before it ships. This means no expensive trips to the dealership for programming—it arrives ready for installation.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights (headlights, taillights, dome lights) that won’t turn on or off.
- ✔ The security system or alarm engaging randomly.
- ✔ The horn sounding without being pressed.
- ✔ Intermittent no-start conditions where the starter doesn’t engage.
- ✔ The “Service Vehicle Soon” or airbag warning light is illuminated on the dashboard.
- ✔ Inaccurate gauge readings or complete gauge failure.
Restoring Functionality with a Programmed 2003-2007 Sierra 3500 BCM
Don’t let a faulty module keep your truck off the road. This unit is a direct-fit replacement for a wide range of GM trucks and vans, including the Sierra, Silverado, Savana, and Express. It is a reliable and cost-effective alternative to dealer parts. By providing us with your VIN at checkout, you ensure that the module you receive is loaded with the latest GM software specific to your vehicle’s options, ensuring seamless integration and performance from the moment you plug it in.
Important Post-Installation Information
While this module is designed for a straightforward installation, some vehicles may require additional steps to sync with other onboard systems. Please be aware of the following potential procedures:
- Airbag System Sync: If the airbag warning 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 relearn may be required to ensure correct brake light operation and traction control function.
This BCM is a direct replacement for the following part numbers: 15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, 10367689.
Frequently Asked Questions
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer in your vehicle that manages and controls electronic accessories like power windows, locks, lights, the security system, and interior chimes. It acts as a central hub for these functions.
Why do you need my VIN?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the correct software and settings for your specific vehicle’s options (like power seats, keyless entry, etc.). This ensures the module works correctly right out of the box without needing a trip to the dealer.
Is this BCM difficult to install?
For most models, the BCM is located under the steering column or in the center dash and is accessible with basic hand tools. The physical replacement is typically straightforward. However, as noted, some post-installation electronic procedures may be required depending on your vehicle.
What happens if my airbag light comes on after installation?
This indicates the new BCM needs to be electronically ‘introduced’ to the airbag system (SDM). A repair shop with a professional-grade diagnostic tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your original module.