Stop Chasing Electrical Gremlins in Your GM Truck or Van
Is your Chevrolet Express, Silverado, or GMC Sierra suffering from bizarre electrical issues like flickering lights, malfunctioning power windows, or a dead HVAC system? These frustrating problems often point to a single culprit: a failing Body Control Module (BCM). Instead of paying for expensive dealership diagnostics and programming, get the definitive, hassle-free solution. This OEM-quality BCM arrives fully programmed to your vehicle’s specific VIN, making installation a simple, plug-and-play job that gets your vehicle back to 100% functionality.
Common Symptoms & Your Solution
A failing BCM can turn your reliable workhorse into an unpredictable headache. If you’re experiencing any of the following, this module is the repair you need:
- Intermittent or non-working interior and exterior lights
- Power windows, door locks, or security system acting erratically
- HVAC and climate control failures or a blower motor that won’t turn on
- An airbag warning light on the dash, often with DTC B1001
- A no-start condition due to security system confusion
- A cluster of diagnostic trouble codes related to body electronics
This Programmed 2004-2007 Express 1500 Body Control Module is engineered to resolve these issues permanently, restoring the communication between your vehicle’s essential systems.
Features & Benefits
- ✔ VIN Programmed for Your Vehicle: We program the module to your specific VIN before shipping. This ensures it communicates perfectly with your truck’s existing components right out of the box—no expensive trip to the dealer is required.
- ✔ Restores Full Functionality: Get your power accessories, lighting, security, and climate controls working just like they did from the factory.
- ✔ Simple Plug-and-Play Installation: Located under the steering column or center dash, this BCM can typically be swapped in under 5 minutes with basic hand tools.
- ✔ Fixes Common DTCs: This is a direct fix for a wide range of body-related trouble codes, saving you time and money on diagnostics.
- ✔ No Core Charge: You are not required to send your old, faulty module back to us. Keep it, or dispose of it at your convenience.
- ✔ Broad Compatibility: An exact replacement for part numbers 15116066, 10367690, 15136225, 15198116, and more, ensuring a perfect fit for a wide range of GM trucks, vans, and SUVs from 2002-2007.
- ✔ Warranty Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: From the Mechanic’s Bench
As a technician, I’ve seen countless hours and dollars wasted trying to diagnose confusing electrical issues on these GM platforms. The BCM acts as the vehicle’s central nervous system for all cabin functions. When it fails, it sends confusing signals, creating a chain reaction of problems that can seem unrelated. The single most important step in this repair is the programming. An unprogrammed module is just a plastic box. By providing a Programmed 2004-2007 Express 1500 Body Control Module, we’re not just selling a part; we’re delivering a complete, professional-level solution that a DIYer or independent shop can install with confidence, saving the typical $150-$250 programming fee and getting the vehicle back on the road fast.
Frequently Asked Questions
What exactly does a Body Control Module do?
The BCM is a computer in your vehicle responsible for managing and controlling non-engine-related functions. This includes power windows, door locks, the security system, interior and exterior lighting, wipers, and the HVAC system. When it fails, these systems can become erratic or stop working altogether.
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) contains specific information about the options and systems installed in your truck or van from the factory. We use your VIN to load the correct GM software and calibrations onto the BCM, ensuring it works seamlessly with your specific vehicle configuration without any additional programming.
Is this part difficult to install?
No, installation is typically very straightforward. The BCM is usually located under the driver’s side dashboard near the steering column. It involves disconnecting the battery, unplugging a few electrical connectors from the old module, removing it, and installing the new one in its place. Most people can complete the job in under 10 minutes with basic tools.
What if the airbag light is on after installation?
In some cases, the new BCM needs to be synced with the airbag system’s computer (SDM). If the airbag light stays on after installation, a procedure called “Setup SDM Primary Key in BCM” will need to be performed using a professional-grade scan tool. Most local repair shops can perform this service if needed.
Does this BCM fit vehicles other than the Express 1500?
Yes, absolutely. This module is a direct replacement for a wide range of 2002-2007 GM vehicles, including the Chevrolet Silverado, Suburban, Tahoe, Avalanche; GMC Sierra, Yukon; Cadillac Escalade; and Hummer H2. Please check the detailed fitment list on this page to confirm compatibility with your specific model.