Restore Control and Eliminate Electrical Frustrations
Are you tired of dealing with bizarre electrical issues in your truck? One moment the power windows work, the next they don’t. The A/C blower motor has a mind of its own, and a persistent airbag light is staring you down. These aren’t just random annoyances; they’re classic signs that your Body Control Module (BCM)—the electronic nerve center of your vehicle’s body accessories—is failing. This replacement BCM, part number 15194170, 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 Ground-Out Gremlin
I once had a 2005 Silverado 2500 in my bay that was a diagnostic nightmare. The customer reported intermittent no-start conditions and a flickering security light. Scans showed a dozen communication codes. After hours chasing wires, the issue was a corroded BCM ground connection under the driver’s side dash—a notoriously common failure point on these GM trucks. A faulty BCM can mimic a bad ground, and a bad ground can destroy a BCM. Replacing the module and cleaning the ground point is the only way to ensure a lasting repair. This is why a quality, tested module is critical.
Is Your Silverado Suffering from These Electrical Gremlins?
- ✔ The HVAC system is unresponsive, or the blower motor works intermittently.
- ✔ An airbag warning light is illuminated, often with a DTC like B1001 (Option Configuration Error).
- ✔ Power accessories like door locks, windows, or interior/exterior lights fail without warning.
- ✔ The anti-theft or security system malfunctions, causing a no-start or crank-no-start condition.
- ✔ Your scanner is flooded with various body-related Diagnostic Trouble Codes (DTCs).
- ✔ You hear unusual clicking noises from under the dashboard.
The Direct-Fit, No-Hassle Solution
Forget expensive dealership visits and programming fees. We handle the complex part for you. By programming this module to your vehicle’s VIN before shipping, we ensure it communicates seamlessly with your truck’s other systems right out of the box. This resolves common software-related DTCs and restores the full functionality you depend on. This is the most reliable way to install a replacement 2003-2007 Silverado 2500 BCM and get your truck back to 100%.
DIY Installation: Get Your Truck Fixed in Under 5 Minutes
- ✔ Safety First: Always disconnect the negative terminal on your truck’s battery before starting any electrical work.
- ✔ Locate the Module: On most Silverado and Sierra trucks, the BCM is located under the driver’s side of the dashboard, near the steering column. It’s a black box with several large multi-pin connectors.
- ✔ Swap the Connectors: Carefully release the locking tabs on the electrical connectors and unplug them from the old BCM. Plug them into your new, pre-programmed module. The connectors are keyed and will only fit in their correct slots.
- ✔ Mount the BCM: Secure the new BCM back into its mounting bracket.
- ✔ Power Up: Reconnect the battery terminal. Start the vehicle and test all functions—lights, wipers, locks, windows, and HVAC—to confirm the repair.
Important Post-Installation Note: In some cases, particularly if the airbag light was on, a professional scan tool may be needed to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the airbag system. A brake pedal position relearn might also be required on certain models. This is standard procedure and ensures all safety systems are correctly calibrated.
Verified Fitment for Your GM Truck, Van, or SUV
While this is a perfect fit for the 2003-2007 Silverado 2500 BCM, it is also compatible with a wide range of General Motors vehicles. This module is interchangeable with part numbers 15116066, 15136225, 15198116, and others. Please verify your part number or use our vehicle selector to confirm compatibility for models including:
- ✔ Chevrolet Silverado, Suburban, Tahoe, Avalanche & Express Van
- ✔ GMC Sierra, Yukon, Denali & Savana Van
- ✔ Cadillac Escalade (ESV, EXT)
- ✔ Hummer H2
Frequently Asked Questions
What does ‘VIN Programmed’ actually mean?
It means we load your vehicle’s specific Vehicle Identification Number (VIN) and factory-calibrated software onto the module before we ship it. This makes it a plug-and-play part, allowing it to communicate correctly with your truck’s engine computer, instrument cluster, and other systems without needing a trip to the dealer for expensive programming.
Is there a core charge for my old BCM?
No, there is no core charge. You can keep your old part, so there’s no need to worry about return shipping or waiting for a refund.
My airbag light is on. Will this fix it?
If the airbag light is caused by a faulty BCM (often showing code B1001), this module will resolve the root cause. However, after installation, you may need a mechanic with a bi-directional scan tool to perform the ‘Setup SDM Primary Key’ procedure to clear the light and sync the safety system.
Will this fix my truck’s no-start problem?
A failing BCM is a very common cause of no-start or intermittent starting issues related to the PassLock security system on these GM trucks. Replacing a bad BCM often resolves these problems immediately.
What tools do I need for installation?
For most models, installation requires only basic hand tools, such as a socket or wrench to disconnect the battery and possibly a trim removal tool or screwdriver to access the BCM. No special electronic tools are needed for the physical swap.