Fix Your Truck’s Electrical Headaches for Good
If you’re dealing with a cascade of bizarre electrical issues in your 2003-2007 Chevrolet Silverado 1500, the Body Control Module (BCM) is the likely culprit. As the central command center for your truck’s body electronics, a failing BCM can cause chaos—from non-responsive power windows and door locks to a dead HVAC system or even a no-start condition. This isn’t just an inconvenience; it can be a major safety issue. This module, part number 15137393, is the definitive solution, and our unique cloning service makes the repair process easier and more affordable than ever.
Case Study: The Ghost in the Machine
I once had a 2005 Silverado 1500 in my bay that was driving the owner crazy. The radio would turn on and off by itself, the driver’s side window wouldn’t roll down, and the security light would flash intermittently, sometimes preventing the truck from starting. He had already replaced the battery and checked all the fuses. After connecting my scan tool, I saw a handful of communication codes and a specific BCM internal failure code (B1001). Instead of a complex and costly rewiring job, we pinpointed the BCM. With our cloning service, we transferred his truck’s specific data to a replacement module. He was back on the road the next day with all issues resolved—no trip to the dealer needed.
What is Our BCM Cloning Service?
Forget about expensive dealership programming and towing fees. Our expert cloning service is designed for a seamless repair. Here’s how it works: you send us your original BCM, we professionally transfer its vital data (including VIN, mileage, and key information) to this replacement unit. We then ship both modules back to you. The result? A replacement 2003-2007 Silverado 1500 BCM that is 100% plug-and-play. It retains all your vehicle’s original settings and options, eliminating the need for a costly trip to the dealership for programming.
Is Your Silverado Showing These Electrical Gremlins?
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ HVAC controls are unresponsive, or the blower motor is stuck on or off.
- ✔ The security system is malfunctioning, causing a no-start or crank-no-start situation.
- ✔ The airbag warning light is illuminated, often with a DTC like B1001 (BCM Internal Fault).
- ✔ Interior dome lights or exterior lights (headlights, taillights) behave erratically.
- ✔ The radio or instrument cluster loses power or functions incorrectly.
- ✔ Wipers won’t turn off or operate randomly.
Your Straightforward BCM Installation Guide
After receiving your cloned module, installation is a breeze. Most DIYers can complete this job in under 15 minutes with basic hand tools.
- Step 1: Safety First. Always disconnect the negative terminal from your truck’s battery to prevent electrical shorts and reset the system.
- Step 2: Locate the BCM. 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 plastic box with several large electrical connectors.
- Step 3: Remove the Old Module. Carefully release the locking tabs on each electrical connector and pull them straight out. Then, unclip or unbolt the module from its mounting bracket.
- Step 4: Install the Cloned BCM. Mount your new, cloned BCM onto the bracket. Firmly reconnect all electrical connectors, ensuring they click securely into place.
- Step 5: Reconnect and Test. Reconnect the negative battery terminal. Start your truck and test all the functions that were previously failing—windows, locks, HVAC, radio, and lights—to confirm the repair.
Important Post-Installation Information
While our cloning service handles the vast majority of programming, some vehicle systems may require a quick sync. If your airbag light remains on after installation, a professional scan tool is needed to perform the “Setup SDM Primary Key in BCM” procedure. In some cases, a Brake Pedal Position relearn may also be required. These procedures vary by model, so consulting a service manual or technician is advised if you encounter these specific issues.
Verified Fitment for Your GM Truck or SUV
This Body Control Module is a direct-fit replacement for a wide range of GM vehicles and interchanges with numerous part numbers including 15116066, 15136225, 15137393, and 15198116. It is guaranteed to fit the following models, specifically for Crew Cab configurations where noted:
- Chevrolet Silverado 1500/2500/3500 Pickup (2003-2007 Classic)
- GMC Sierra 1500/2500/3500 Pickup (2003-2007 Classic)
- Chevrolet Avalanche 1500/2500 (2003-2006)
- Chevrolet Suburban 1500/2500 (2003-2006)
- Chevrolet Tahoe (2003-2006)
- GMC Yukon & Yukon XL 1500/2500 (2003-2006)
- Cadillac Escalade, ESV, EXT (2003-2006)
- Hummer H2 (2003-2007)
- Chevrolet Express Van 1500/2500/3500 (2004-2007 w/ PRP option)
- GMC Savana Van 1500/2500/3500 (2004-2007 w/ PRP option)
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 data from your module and flash it onto the replacement unit. We then send both your original module and the ready-to-install replacement back to you.
Do I need to get this programmed by a dealer?
No. The entire point of our cloning service is to bypass the need for dealer programming. The module you receive will be pre-configured for your specific vehicle’s VIN and options, making it a true plug-and-play solution.
Is there a core charge or do I need to return my old part?
There is no core charge. However, the cloning service requires you to send us your original module for data transfer. Your original module will always be returned to you along with the newly programmed replacement.
What tools do I need for installation?
Typically, you only need a basic socket set or nut driver to remove the BCM from its bracket and possibly a trim removal tool for any plastic panels. No special electronic tools are required for the physical installation.
My airbag light is on after installing the cloned BCM. What do I do?
This can happen occasionally. The BCM and the airbag system (SDM) need to re-establish communication. This requires a professional-grade scan tool to perform the “Setup SDM Primary Key in BCM” function. A local repair shop can typically perform this procedure for you.