Tired of Your Truck’s Electrical Gremlins?
If you’re dealing with flickering lights, a dead HVAC system, or power windows with a mind of their own, you’re likely facing a failing Body Control Module (BCM). This component is the electronic nerve center for your vehicle’s comfort and convenience features. When it goes bad, it can cause a cascade of frustrating, seemingly unrelated problems. This VIN-programmed BCM, part number 10383536, is the direct-fit, reliable solution for your 2002-2006 Avalanche 2500 and a wide range of other GM trucks and SUVs, designed to restore full functionality without a trip to the dealership.
A Technician’s Notebook
I remember a 2005 Silverado 2500 that came into my bay with a bizarre list of complaints. The radio would turn on and off, the driver’s side power lock was dead, and the A/C blower only worked on high. The customer had already replaced the blower motor resistor, with no luck. A quick scan revealed a B1001 DTC (Option Configuration Error) and a slew of U-codes indicating communication loss. This is a classic BCM failure. Internal circuit board corrosion, often from moisture, had compromised the module. We installed a VIN-programmed BCM, and within minutes, all the electrical gremlins were gone. It’s a common failure, and having a pre-programmed module is the fastest way to get these reliable trucks back to 100%.
Common Signs of a Failing BCM
A faulty BCM can manifest in many ways. If you’re experiencing any of the following, it’s time to consider a replacement:
- ✔ Intermittent or total loss of HVAC blower motor or climate controls.
- ✔ Erratic power windows, door locks, or interior lighting.
- ✔ The security light stays on, or the vehicle experiences a no-start condition.
- ✔ An active airbag warning light, often with a DTC like B1001.
- ✔ Wipers that won’t turn off or operate correctly.
- ✔ Communication errors with other modules on the vehicle’s network.
Your 5-Minute Path to a Perfect Fix
Installing your new 2002-2006 Avalanche 2500 BCM is a straightforward job that most DIYers can complete with basic tools. Our VIN programming makes it a true plug-and-play process.
- Safety First: Always disconnect the negative terminal on your vehicle’s battery and wait a few minutes before starting work.
- Locate the BCM: On most GM trucks and SUVs of this era, the BCM is located under the driver’s side dashboard, near the steering column.
- Remove the Old Module: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once unplugged, the module can be unclipped or unbolted from its mounting bracket.
- Install the New BCM: Seat the new module in the bracket and securely plug in all the electrical connectors. You’ll hear a click when they are fully seated.
- Reconnect and Test: Reconnect the battery terminal. Start the vehicle and test all functions: lights, locks, windows, wipers, and HVAC to confirm the repair.
Expert Pro Tip: Post-Installation Checks
Expert Pro Tip: Post-Installation Checks
While our BCM is programmed for your VIN, some vehicle systems may require a handshake procedure. If your airbag light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ function. On some models, a ‘Brake Pedal Position Relearn’ may also be necessary. These are simple procedures for any qualified technician if required. And remember, there is no core charge, so you can keep your old part without any hassle.
Guaranteed Fitment for Your GM Vehicle
This module is a direct replacement for part number 10383536 and other interchangeable numbers like 15116066, 15136225, and 15198116. It is confirmed to fit the following models:
GMC: Sierra 1500/2500/3500 & Denali (03-07 Classic), Yukon & Yukon XL 1500/2500 (03-06), Savana Van 1500/2500/3500 (04-07 w/PRP pkg)
Cadillac: Escalade, ESV, EXT (03-06)
Hummer: H2 (03-07)
Note: Please verify your model and options. For ’07 models, this fits the “Classic” body style with the creased door skin.
Frequently Asked Questions
Expert Pro Tip: Post-Installation Checks
While our BCM is programmed for your VIN, some vehicle systems may require a handshake procedure. If your airbag light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ function. On some models, a ‘Brake Pedal Position Relearn’ may also be necessary. These are simple procedures for any qualified technician if required. And remember, there is no core charge, so you can keep your old part without any hassle.