Restore Full Functionality to Your GM Truck or Van
Are you battling frustrating electrical gremlins in your truck or van? Flickering lights, unresponsive power windows and locks, or a security system that has a mind of its own are all classic signs of a failing Body Control Module (BCM). Don’t let these issues disrupt your workday or compromise your vehicle’s reliability. This pre-programmed BCM is the definitive, hassle-free solution to get your vehicle’s electronics working in perfect harmony again.
Common Symptoms & Your Solution
A faulty BCM can cause a wide range of confusing and intermittent problems. If you’re experiencing any of the following, it’s time for a replacement:
- Power windows, door locks, or mirrors operating erratically or not at all.
- Interior dome lights or dashboard lights staying on or not turning on.
- The security system preventing the vehicle from starting (Passlock/Passkey issues).
- False warnings on the instrument cluster (e.g., “Door Ajar”).
- Inconsistent operation of the horn, wipers, or radio.
This module is the central command for these systems. Our expertly prepared 2003-2007 GM BCM 15198115 is the direct answer, arriving at your door ready for installation, eliminating the guesswork and getting you back on the road fast.
Features & Benefits
- ✔ Plug & Play Installation: This module comes fully programmed to your vehicle’s specific VIN. This critical step means you can avoid a trip to the dealership for expensive programming.
- ✔ Updated GM Software: We flash each module with the latest stable software updates from GM, which can correct factory bugs and improve overall performance and reliability.
- ✔ No Core Charge: Forget the hassle and expense of sending your old part back. You can keep your original module, saving you time and money.
- ✔ Guaranteed Compatibility: This unit is a direct replacement for a wide range of part numbers, ensuring a perfect fit and function for your Silverado, Sierra, Express, or Savana.
- ✔ Peace of Mind Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The BCM is Your Vehicle’s Nerve Center
Think of the BCM as the central nervous system for your truck’s body electronics. It doesn’t control the engine, but it manages almost everything you interact with inside the cabin. When it fails, communication between switches and components breaks down, leading to the chaotic symptoms you’re seeing. Simply installing a used, unprogrammed BCM won’t work and can even create new problems. Our service of programming the 2003-2007 GM BCM 15198115 to your VIN ensures all systems communicate correctly from the moment you plug it in, just as the factory intended.
Post-Installation Procedures
While this module is designed for a straightforward installation, some vehicles may require additional electronic handshakes after the new BCM is connected. 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 recalibration may be necessary to ensure proper brake light and traction control function.
Always consult a factory service manual or a qualified technician if you are unsure about any post-installation steps.
Frequently Asked Questions
What exactly does a Body Control Module do?
The BCM is a computer that manages and controls your vehicle’s body electronics. This includes power windows, door locks, interior and exterior lighting, wipers, the security system, and various other comfort and convenience features.
What is the process after I order this part?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN. We cannot ship the module until we have this information. We use the VIN to program the BCM with the correct software and settings for your specific vehicle configuration.
Is this part difficult to install?
For someone with basic mechanical skills, the physical installation is typically straightforward. The BCM is usually located under the steering column or in the center dash area. The main challenge with BCM replacement is programming, which we handle for you before shipping. Please review the potential post-installation procedures mentioned above.
Will this fix my vehicle’s security/anti-theft issue?
Yes, a failing BCM is a very common cause of issues with GM’s Passlock or Passkey anti-theft systems. A correctly programmed replacement like this 2003-2007 GM BCM 15198115 is often the solution to no-start conditions caused by the security system.
Do I need to send my old BCM back?
No. There is no core charge for this part. You can keep your original module or dispose of it as you see fit.