Tired of Chasing Electrical Gremlins in Your Truck?
Is your 2002 GM truck or SUV acting possessed? One minute the power windows don’t work, the next the radio is dead, or a random warning light appears on the dash. These frustrating, unpredictable electrical issues often point to one single culprit: a failing Body Control Module (BCM). Instead of swapping random parts or facing a massive bill at the dealership, take control with this direct-fit, VIN-programmed BCM and get your dependable truck back to 100%.
Common Symptoms & Your Solution
A faulty BCM can cause a cascade of bizarre problems that seem unrelated. If you’re experiencing any of the following, this module is the definitive fix:
- Intermittent or non-working power windows, door locks, or mirrors.
- Gauges on the instrument cluster behaving erratically or not working at all.
- Interior lights or headlights malfunctioning.
- The security or anti-theft system preventing the truck from starting.
- HVAC (A/C and heat) control issues.
- Communication errors with other vehicle modules (DTC U-codes).
This isn’t just a replacement part; it’s a complete solution. We professionally program this 2002 Avalanche 1500 BCM to your truck’s specific VIN, loading the latest stable software from GM. This eliminates the need for expensive dealer-only programming tools, making the installation straightforward and saving you significant time and money.
Features & Benefits
- โ VIN-Programmed for Your Truck: Arrives ready for installation, no need for a trip to the dealer for expensive programming. Just provide your VIN at checkout.
- โ Restores Full Functionality: Get your power accessories, lighting, and security systems working reliably again.
- โ No Core Charge: A simple, straightforward purchase. You can keep your old, faulty module without any extra fees or hassle.
- โ Direct-Fit Guarantee: Engineered to be a perfect match for the original, ensuring a seamless installation under the steering column. Compatible with service numbers 15063577, 15081857, 19208544, 15095335, DKAJ, and DPNW.
- โ Peace of Mind: This unit is backed by our one-year replacement warranty.
From the Technician’s Bench
On these early 2000s GM platforms, the BCM is the central hub for nearly all the creature comforts you use every day. After two decades of heat cycles, vibrations, and voltage fluctuations, the internal solder joints and electronic components simply wear out. This leads to the intermittent faults that are so hard to diagnose. Grabbing a module from a salvage yard is a gambleโit might have the same age-related issues and will still require costly programming to work with your truck’s specific options and key fobs. Our solution provides a reliable module with fresh, stable software specific to your VIN, making it the smartest, most dependable way to fix your truck right the first time. This is the exact approach we take in our own repair shop to solve these issues for good.
Frequently Asked Questions
What does a BCM do on my 2002 truck?
The Body Control Module acts as the central computer for your truck’s non-engine related functions. It controls the power windows, door locks, interior and exterior lighting, security system, instrument panel, and HVAC system. When it fails, you see these types of electrical issues.
Is this BCM difficult to install?
The physical installation is straightforward for someone with basic mechanical skills. The BCM is located under the steering column. Since we pre-program the module, the most difficult part of the job is already done. However, please review the post-installation procedures, as some vehicles may require a simple sync or relearn procedure with a diagnostic tool.
Why do you need my VIN?
Your Vehicle Identification Number (VIN) is essential. It allows us to program the 2002 Avalanche 1500 BCM with the exact software and settings for your truck’s specific features, such as 4×4, power seat options, and keyless entry. This ensures it works perfectly right out of the box.
What happens if my airbag light is on after installation?
In some cases, the new BCM needs to be electronically introduced to the airbag system (SDM). If the airbag light comes on, a mechanic with a professional scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure. This is a quick sync that resolves the light.
Will this fix my ‘Security’ light issue?
Yes, a failing BCM is a very common cause of issues with the GM Passlock anti-theft system, which can cause a no-start condition. Installing a properly programmed 2002 Avalanche 1500 BCM is the correct fix for this problem.