Tired of Chasing Electrical Gremlins in Your GM Truck?
If your 2003-2007 Silverado 1500 is suffering from bizarre electrical issues—like flickering lights, a dead instrument cluster, or a security system that has a mind of its own—you’ve likely met the frustrating reality of a failing Body Control Module (BCM). As the central hub for your truck’s body electronics, a faulty BCM can cause a cascade of problems that are often misdiagnosed, leading to wasted time and money on unnecessary repairs. This module, interchangeable with part number 10367690 and others, is the definitive solution to restore order and reliability to your vehicle.
Case Study: A Tricky Diagnosis
I once had a 2005 Sierra come into the shop with a complaint that stumped two other mechanics. The battery would drain overnight, the radio would randomly turn on, and the power locks worked intermittently. The owner had already replaced the battery and alternator. After checking for parasitic draws and finding nothing obvious, I focused on the BCM. These modules are notorious for internal shorts and cold solder joint failures that create these ghost-like symptoms. By swapping in a pre-programmed BCM like this one, all the phantom issues vanished instantly. It’s a classic case where the central component, not the accessories it controls, is the true culprit.
Is Your Truck Showing These Symptoms?
- ✔ The HVAC blower motor works only on high speed or not at all.
- ✔ Your power windows, door locks, or interior lights are acting erratically.
- ✔ The airbag warning light is illuminated, often with a DTC like B1001 (Option Configuration Error).
- ✔ The vehicle won’t start, and the security light is flashing on the dash.
- ✔ Unpredictable instrument panel behavior or warning chimes.
- ✔ Communication errors with other modules on the data bus.
The Power of Our Cloning Service
Why choose our service? We eliminate the most significant hurdle in this repair: programming. Dealerships charge a premium for programming, and you lose your truck for a day. Our unique Cloning Service makes this a simple plug-and-play job. You send us your original BCM, and we expertly transfer all the critical, VIN-specific data—including key information and vehicle options—to this replacement unit. The module arrives at your door ready for immediate installation with no further steps needed. It’s the most efficient way to get a reliable fix for your 2003-2007 Silverado 1500 BCM.
A Straightforward Guide to Installation
- ✔ Safety First: Before you begin, disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts and to help reset the system.
- ✔ Locate the BCM: On most Silverado, Sierra, and SUV models, the BCM is located under the driver’s side of the dashboard, near the steering column. It’s typically a black box with several large multi-pin connectors.
- ✔ Remove the Old Module: Carefully disconnect the electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- ✔ Install the New Module: Seat your newly cloned BCM into the mounting bracket and securely reconnect all electrical connectors. You should hear a click as they lock into place.
- ✔ Reconnect and Test: Reconnect the negative battery terminal. Start the vehicle and test all related functions: lights, wipers, locks, windows, and HVAC to confirm the repair was successful.
- ✔ Post-Install Checks: In some cases, an ‘Airbag System Sync’ or ‘Brake Pedal Position Relearn’ may be needed if related warning lights appear. This requires a professional scan tool. See our FAQ for more details.
Verified Vehicle Compatibility
This BCM is a direct-fit replacement for a wide range of General Motors trucks and SUVs. While this is a popular part for the 2003-2007 Silverado 1500 Pickup, it also fits the following models. Please verify your part number (10367690, 15116066, etc.) to ensure perfect compatibility.
GMC: Sierra 1500/2500/3500 & Denali (03-07 Classic), Yukon & Yukon XL 1500/2500 (03-06)
Cadillac: Escalade, ESV, EXT (03-06)
Hummer: H2 (03-07)
Note: ’07 models must be the “Classic” body style with the creased door skin.
Frequently Asked Questions
How does the cloning service work?
After you place your order, you’ll receive instructions to ship your original BCM to us. Our technicians will extract the unique VIN-locked data from your module and flash it onto the replacement unit. We then ship both your original module and the ready-to-install replacement back to you.
Do I need to send my keys?
No, you do not need to send your keys. Our cloning process transfers all the necessary security information from your old BCM, so your existing keys will work perfectly upon installation.
Why did my airbag light come on after installation?
This can happen if the BCM and the SDM (airbag module) lose their sync. A professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This is a quick relearn that restores communication and turns off the light.
Is there a core charge?
No, there is no core charge. We always return your original module along with the programmed replacement. You are not required to send your old part back for a refund, but we need it for the initial cloning process.
What if this doesn’t fix my problem?
While this BCM resolves the vast majority of electrical issues described, complex vehicle electronics can have multiple fault points. We guarantee our module is functioning correctly based on the data from your original. If problems persist, it may indicate an issue with wiring, grounds, or another component in the vehicle.