Are you dealing with frustrating and unpredictable electrical issues in your GM truck or van? Problems like flickering lights, malfunctioning power windows and locks, or a security system that acts up on its own are often signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it fails, it can cause a wide range of confusing symptoms. This replacement Body Control Module, part number 15198115, is the reliable solution to restore full functionality and peace of mind.
We make the replacement process straightforward. Unlike a dealership that requires you to have your vehicle towed in for programming, we handle the critical programming step for you before we ship. Simply provide us with your vehicle’s VIN after purchase, and our technicians will flash the module with the latest GM software specific to your truck or van. This ensures that when the part arrives, it’s ready for installation, saving you time, money, and hassle. No core charge means you can keep your old part.
Common Symptoms of a Failing GM BCM
- ✔ Erratic or non-working power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or won’t turn on at all.
- ✔ The security or anti-theft system preventing the vehicle from starting.
- ✔ Inaccurate or non-functional gauges on the instrument cluster.
- ✔ Warning lights such as the airbag or brake light illuminating for no reason.
- ✔ Intermittent issues with the radio or climate control systems.
Installation and Post-Install Considerations
This module is designed for a direct fit, replacing part numbers 15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, and 10367689. While the physical installation is typically simple (located under the steering column on trucks or in the center dash on vans), some vehicles may require additional electronic ‘relearn’ procedures after the new module is connected. These may include:
- Airbag System Sync: If your airbag warning light is on after installation, a professional scan tool is needed 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 necessary to ensure correct brake light operation.
This pre-programmed 2003-2007 Express BCM is your most effective path to resolving those nagging electrical faults and getting your truck or van back to 100%.
Frequently Asked Questions
Do I need to program this BCM?
No. We handle all programming for you before shipping. Just provide your vehicle’s VIN during or after checkout, and the module will arrive ready to be installed.
Where is the BCM located on my vehicle?
On Silverado and Sierra pickups, the BCM is typically located under the driver’s side of the dashboard, near the steering column. On Express and Savana vans, it is usually found behind the center dash area.
What happens if the airbag light comes on after I install it?
This can happen occasionally. It means the new BCM needs to be electronically introduced to the airbag’s computer (SDM). A repair shop with a professional-grade scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
How do I provide my VIN?
You can add your 17-digit VIN to the notes section at checkout or send it to us in a message after you complete your purchase. We cannot ship your order until we receive the VIN.
Is this part compatible with my Crew Cab truck?
Please check the fitment list carefully. This specific BCM is listed as excluding Crew Cab models for most pickup truck applications. Verify your vehicle options before ordering.