Are frustrating electrical gremlins making your truck feel unreliable? From flickering lights and stubborn power windows to a malfunctioning security system, a failing Body Control Module (BCM) can cause a host of confusing and disruptive problems. Restore your vehicle’s core functions and your peace of mind with our pre-programmed BCM, designed as a direct-fit replacement for your 2003-2006 Chevrolet Avalanche 1500 and a wide range of other GM trucks and SUVs.
Common Symptoms & Your Solution
A faulty BCM is the central nervous system for your vehicle’s body electronics. When it begins to fail, you may experience one or more of the following issues. This module is the definitive solution for:
- Intermittent or non-working interior and exterior lights
- Power windows, door locks, or mirrors that operate erratically or not at all
- HVAC and climate control blower motor failures
- An airbag warning light that won’t turn off, often with DTCs like B1001
- Security system malfunctions that can lead to a no-start condition
- A variety of diagnostic trouble codes (DTCs) related to body functions
Features & Benefits
- โ Plug-and-Play Installation: This module arrives expertly programmed to your vehicle’s specific VIN. This critical step ensures seamless communication with your truck’s other electronic systems, eliminating the need for an expensive trip to the dealership for programming.
- โ Restores Full Functionality: Regain complete and reliable control over your vehicle’s essential comfort and safety features, from the wipers and horn to the power locks and interior lighting.
- โ OEM-Quality Engineering: Built to meet or exceed original equipment standards, this BCM is designed for durability and long-term performance, ensuring it can handle the demands of your work truck or family SUV.
- โ Broad Compatibility: This unit is a direct replacement for a range of part numbers, including 15137395, 15116066, 15198116, and more, making it the right fit for many popular GM models. Finding the correct 2003-2006 Avalanche 1500 Body Control Module has never been easier.
- โ Purchase with Confidence: This unit is backed by our one-year replacement warranty.
Expert Insight: Why VIN Programming is Non-Negotiable
In this generation of GM vehicles, the BCM is the communication hub for dozens of electronic components. It’s not just a simple switch box; it’s a computer that needs to speak the same language as your engine computer, transmission module, and airbag system. Without programming it to your vehicle’s unique VIN, you risk system conflicts, persistent warning lights, and features that simply won’t work. Our pre-programming service saves you the time, hassle, and significant expense of having a dealership perform this essential step, allowing you to get the job done right, the first time.
Don’t let a faulty BCM dictate how your truck operates. By installing this precisely configured 2003-2006 Avalanche 1500 Body Control Module, you’re not just replacing a partโyou’re restoring the reliability and functionality you depend on every day. Take control of your vehicle’s electronics and get back on the road with confidence.
Frequently Asked Questions
Do I need to send my old BCM back?
No, there is no core charge for this part. You can keep your original module without any extra fees or hassle.
Is this part difficult to install?
For most models, the BCM is located under the steering column and is accessible with basic hand tools. The physical installation is straightforward and typically takes less than 30 minutes. Since our module comes pre-programmed, the most complex part of the job is already done for you.
Why is my airbag light on after installing the new BCM?
If the airbag light appears after installation, the BCM and the Sensing and Diagnostic Module (SDM) need to be synchronized. This requires a ‘Setup SDM Primary Key in BCM’ procedure, which can be performed by a technician with a professional-grade diagnostic scan tool.
Will this BCM fix my specific electrical issue?
This 2003-2006 Avalanche 1500 Body Control Module is designed to resolve the most common symptoms of BCM failure, including issues with lights, locks, windows, HVAC, and security systems. If your vehicle is displaying these symptoms, this part is the most likely solution.
What does ‘pre-programmed to my VIN’ actually mean?
It means we load the specific software and vehicle options from the GM factory database that correspond to your unique Vehicle Identification Number (VIN). This ensures the BCM works perfectly with your truck’s existing features right out of the box, just like the original part did.