Restore Your Vehicle’s Electrical System with a Plug-and-Play BCM
If you’re dealing with bizarre electrical issues in your Chevrolet SSR or other GM vehicle—like flickering lights, malfunctioning power windows, or a security light that won’t turn off—a failing Body Control Module (BCM) is often the culprit. As a technician with over two decades of experience, I’ve seen how a faulty BCM can turn a reliable vehicle into a source of constant frustration. This isn’t just an inconvenience; it can affect safety and security. This replacement BCM is your direct-fit, reliable solution, arriving at your door programmed with the latest GM software specifically for your vehicle’s VIN.
A Technician’s Notebook: The Ghost in the Silverado
A 2005 Silverado 1500 came into my shop with a list of symptoms that sounded like a haunting. The dome light would stay on, the radio would randomly shut off, and the power door locks had a mind of their own. The owner had already replaced the battery and checked all the fuses. A scan showed a handful of communication codes (U-codes), but nothing pointing to a single component. This is a classic BCM failure pattern. The module acts as the central hub for all these body accessories, and when its internal logic fails, it sends out confusing signals. We installed a VIN-programmed BCM, and instantly, all the gremlins vanished. It’s a fix that restores not just the truck, but the owner’s peace of mind.
Common Signs of a Failing BCM
A failing Body Control Module can manifest in numerous ways. If your vehicle is experiencing any of the following, it might be time for a replacement. This 2003-2006 SSR BCM is the definitive fix for these common issues.
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The security system light stays on, preventing the engine from starting (Passlock/Passkey issues).
- ✔ The horn sounding unexpectedly or not working when pressed.
- ✔ Inaccurate or dead gauges on the instrument cluster.
- ✔ Communication error codes, often in the U-series (e.g., U0140 – Lost Communication With Body Control Module).
- ✔ Rapid battery drain while the vehicle is parked.
A Straightforward Guide to Installation
Installing your new BCM is a manageable job for a DIY enthusiast. Since we program the module to your VIN before shipping, you can avoid a costly trip to the dealership. Just follow these general steps.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery to prevent electrical shorts.
- Locate the BCM: On most trucks like the Silverado, Sierra, and SSR, the BCM is located under the driver’s side of the dashboard, near the steering column. On Express and Savana vans, it’s typically behind the center dash panel.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount your new, pre-programmed BCM in the same location. Securely plug in all the electrical connectors, ensuring they click into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—lights, locks, windows, radio, etc.—to confirm the repair.
Important Post-Installation Steps
After installing your new 2003-2006 SSR BCM, a couple of additional procedures may be required depending on your specific vehicle. These ensure all related systems communicate correctly with the new module.
- Airbag System Sync: If you see an airbag warning light after installation, a technician will need to perform the ‘Setup SDM Primary Key in BCM’ procedure with a professional scan tool. This syncs the new BCM with the airbag system.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor relearn to ensure proper brake light operation and to satisfy the traction control system.
- No Core Charge: You are not required to send your old BCM back to us. Keep it, discard it, or save it for diagnostics—the choice is yours.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual or consult a qualified professional for procedures specific to your make and model.
Verified Vehicle Compatibility
This Body Control Module is a direct replacement for part number 15136876 and is also interchangeable with part numbers 15167329, 15194169, 15747545, 15136224, 15116065, 15198115, and 10367689. It fits a wide range of GM vehicles:
- Chevrolet SSR: 2003, 2004, 2005, 2006
- Chevrolet & GMC Trucks (Silverado, Sierra 1500/2500/3500): 2003-2007 (Classic body style for 2007) – Check specific options like cab type and transmission in the fitment data.
- Chevrolet & GMC Vans (Express, Savana 1500/2500/3500): 2003-2007 – Check for options like commercial tradesman package.
Frequently Asked Questions
Do I need to do any programming myself?
No. We handle all the programming for you. Simply provide your vehicle’s 17-digit VIN during checkout, and we will flash the module with the latest GM software before it ships. It arrives ready to install.
Is this a difficult part to replace?
For most DIYers with basic tools, this is a straightforward replacement. The BCM is typically accessible under the dashboard. The most important part is carefully disconnecting the battery and the module’s wiring harnesses.
What happens if my airbag light comes on after installation?
This is a known possibility. It means the new BCM needs to be electronically ‘introduced’ to the airbag’s Sensing and Diagnostic Module (SDM). A repair shop with a professional-grade scan tool can perform the ‘Setup SDM Primary Key’ procedure in a few minutes to resolve this.
Will this fix my ‘Service Vehicle Soon’ light?
If the light is caused by a faulty BCM or communication errors related to it, then yes, this part will likely resolve the issue. However, that warning light can be triggered by many different problems, so a proper diagnosis is always recommended.
Do I have to send my old BCM back?
No. This product comes with no core charge. You can keep your original part.
How do I provide my VIN?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s VIN. We cannot program and ship your module without it, so please provide it promptly to avoid delays.