If you’re dealing with bizarre electrical problems in your GM truck, you’re not alone. As a technician with over 20 years under the hood, I’ve seen countless 2003-2007 Silverados, Sierras, and Tahoes with flickering lights, dead power windows, or a security system that has a mind of its own. More often than not, the culprit is a failing Body Control Module (BCM). This isn’t just an inconvenience; it can be a safety issue when your lights or wipers fail unexpectedly. Stop chasing shorts and replacing fuses. This direct-replacement BCM, part number 10367690, is the definitive solution, arriving pre-programmed to your truck’s specific VIN for a true plug-and-play fix.
A Technician’s Notebook: The Case of the Haunted Silverado
A customer brought in his ’05 Silverado 1500 with a laundry list of complaints: the radio would cut out, the dome light wouldn’t work, and the power locks were intermittent. He’d spent a weekend checking fuses and grounds with no luck. After connecting my scanner, I saw a slew of communication DTCs. Experience pointed me straight to the BCM under the steering column. These modules are notorious for internal circuit board failures, causing a cascade of seemingly unrelated electrical issues. Installing a VIN-programmed BCM like this one had his truck’s electronics behaving perfectly in under 10 minutes. It’s the most efficient way to solve these frustrating problems.
Is Your Truck Showing These Symptoms?
A failing BCM can make your vehicle feel possessed. Before you spend hours on diagnostics, see if your truck is exhibiting these common signs of a bad BCM. A faulty 2003-2007 Silverado 1500 BCM is a frequent cause of these issues.
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors that work intermittently or not at all.
- ✔ HVAC blower motor or climate controls failing to operate correctly.
- ✔ The security system preventing the vehicle from starting (no-start condition).
- ✔ An illuminated airbag light, often with a DTC like B1001 (Option Configuration Error).
- ✔ Strange dashboard behavior or multiple warning lights on at once.
- ✔ Communication loss codes (U-codes) stored in other modules.
A Straightforward Guide to Installation
You don’t need to be a professional mechanic to replace this module. The entire process is designed to be simple and can be completed in your driveway with basic hand tools.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery to prevent electrical shorts and help reset the system.
- Locate the BCM: On most trucks and SUVs, the BCM is located under the driver’s side dashboard, near the steering column. On Express/Savana vans, it’s typically behind the center dash panel.
- Swap the Module: Carefully unplug the electrical connectors from the old BCM. They have locking tabs, so be gentle. Remove any retaining bolts or clips, take out the old module, and install the new one in its place.
- Reconnect and Test: Re-attach the electrical connectors to your new BCM. Reconnect the battery terminal. Start the vehicle and test all functions—lights, locks, windows, wipers, and HVAC—to confirm the repair.
- Post-Install Checks: In some cases, a ‘Setup SDM Primary Key in BCM’ procedure may be needed with a high-end scan tool if the airbag light is on. A brake pedal position relearn might also be required.
Verified Vehicle Compatibility
This module is engineered to be a direct replacement for a wide range of General Motors vehicles. It is interchangeable with part numbers 10383536, 15116066, 15136225, 15136877, 15137393, 15137394, 15137395, 15137396, 15198116, 15257043, 15257044, 15257045, 15257046, 15064149, and 15194170. Please confirm your model and options below.
Fits Crew Cab models for most pickup applications listed.
- Chevrolet (2003-2007): Silverado 1500/2500/3500 Pickup (including ’07 Classic), Avalanche 1500/2500, Suburban 1500/2500, Tahoe, Express 1500/2500/3500 Van (w/ opt PRP)
- GMC (2003-2007): Sierra 1500/2500/3500 Pickup (including ’07 Classic), Sierra Denali, Yukon & Yukon XL 1500/2500, Savana 1500/2500/3500 Van (w/ opt PRP)
- Cadillac (2003-2006): Escalade, Escalade ESV, Escalade EXT
- Hummer (2003-2007): H2
This high-quality replacement for your 2003-2007 Silverado 1500 BCM ensures all body functions are restored to factory specifications, providing a reliable and long-lasting repair.
Do I need to get this BCM programmed by a dealer?
Do I need to get this BCM programmed by a dealer?
No. We handle the programming for you. Simply provide your vehicle’s VIN when ordering, and the module will arrive ready for plug-and-play installation, saving you a trip to the dealership and additional programming fees.
What does ‘No Core Charge’ mean?
It means you don’t have to send your old, faulty BCM back to us. You can keep it or dispose of it yourself, which simplifies the process and saves you the hassle and cost of return shipping.
Why did my airbag light turn on after I installed the new BCM?
This can happen occasionally. The BCM and the airbag system’s Sensing and Diagnostic Module (SDM) need to be synced. A professional mechanic can perform a quick ‘Setup SDM Primary Key in BCM’ procedure with a diagnostic tool to resolve this and turn off the light.
Is this a difficult part for a DIYer to install?
Not at all. This is one of the easier electronic module replacements. It’s typically held in by a few clips or bolts and is accessible under the dashboard. With basic tools, most people can complete the swap in 5-15 minutes.
Will this part fix a ‘Service 4WD’ message?
While the BCM can contribute to various electrical issues, the ‘Service 4WD’ message is more commonly caused by the transfer case control module (TCCM), the encoder motor, or the dash switch. It’s best to diagnose that specific system first, though a faulty BCM can sometimes cause communication errors that trigger other warnings.