Tired of Your Truck’s Electrical Gremlins?
Are you dealing with frustrating and unpredictable electrical problems in your GM truck or van? Power windows that have a mind of their own, door locks that won’t respond, a security light that stays on, or interior lights that flicker for no reason? These aren’t just minor annoyances; they are classic signs of a failing Body Control Module (BCM). The BCM acts as the central hub for your vehicle’s body electronics, and when it starts to fail, it can cause a cascade of confusing issues. Stop chasing symptoms and fix the root cause with our fully programmed BCM, engineered to restore your vehicle’s proper function and your peace of mind.
Common Symptoms & Your Solution
A faulty BCM can make your reliable truck feel unpredictable. If you’re experiencing any of the following, this module is the definitive solution you’ve been looking for:
- Erratic or non-functional power windows, door locks, and mirrors
- Interior or exterior lights staying on or not working at all
- The security or anti-theft light staying illuminated, potentially causing a no-start condition
- False warnings on the instrument cluster (e.g., ‘door ajar’)
- Problems with the radio or climate control functions
- Diagnostic Trouble Codes (DTCs) related to communication errors (U-codes)
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We provide a professionally prepared Programmed 2003-2007 Silverado BCM that eliminates the guesswork and the need for an expensive trip to the dealership for coding.
Features & Benefits
- โ VIN-Specific Programming: This module arrives at your door pre-programmed to your vehicle’s exact VIN. This ensures all factory-installed options work correctly right out of the box, saving you hundreds in dealer programming fees.
- โ Updated GM Software: We flash each module with the latest software updates from General Motors. This corrects known factory bugs and ensures the most stable, reliable performance possible.
- โ Hassle-Free Process: There is no core charge for this BCM. You can keep your original part, simplifying the entire repair process.
- โ Broad Compatibility: This unit is a direct replacement for multiple part numbers, including 15167329, 15194169, 15747545, 15136224, and more, covering a wide range of Silverado, Sierra, Express, and Savana models.
- โ Restored Functionality: Get your truck’s essential features working like new again. Regain full control over your lights, locks, windows, and other critical electronic accessories.
- โ Assured Quality: This unit is backed by our one-year replacement warranty.
Expert Insight: The BCM is Your Truck’s Command Center
As a technician with over two decades of experience, I’ve seen countless owners get frustrated trying to diagnose individual component failuresโa window switch here, a lock actuator there. Often, the real culprit is the BCM. Think of it as the body’s central nervous system. It takes inputs from all the switches (window, lock, lights) and sends commands to the motors and relays. When it fails, its commands become erratic, leading to the ghost-like problems you’re experiencing. Replacing it with a properly functioning, correctly programmed unit like this Programmed 2003-2007 Silverado BCM is the most effective way to solve the problem permanently and get your dependable workhorse back on the road.
Frequently Asked Questions
What does a Body Control Module do?
The Body Control Module, or BCM, is a computer in your vehicle that manages and controls a wide range of electronic accessories not related to the engine. This includes power windows, power mirrors, door locks, interior and exterior lighting, the security system, and even the radio.
How do I know if my BCM is failing?
Common signs include multiple, unrelated electrical issues happening at once. For example, your power locks and interior lights might act up simultaneously. A persistent security light or communication-related error codes are also strong indicators of a failing BCM.
Is this BCM difficult to install?
The physical installation is typically straightforward for someone with basic mechanical skills. On most trucks, it’s located under the steering column. Because we pre-program the module to your VIN, you eliminate the most complex part of the jobโthe software configuration. However, some vehicles may require a simple relearn procedure after installation, as noted in our documentation.
Why do you need my VIN?
Your Vehicle Identification Number (VIN) is essential because it contains all the specific information about your truck’s factory-installed options (like power seats, keyless entry, etc.). We use the VIN to program the BCM so it works perfectly with your vehicle’s unique configuration, just like the original one did.
What if my airbag light is on after installation?
In some cases, the new BCM may need to be synchronized with the airbag system’s computer (SDM). If the airbag light is on after you install the module, a ‘Setup SDM Primary Key in BCM’ procedure will need to be performed with a professional scan tool to clear the light.
Do I need to send my old part back?
No. This BCM is sold without a core charge. You can keep your old module, which means no return shipping and no waiting for a core refund.