Restore Full Control Over Your Truck’s Electronics
Are you battling frustrating electrical issues in your 2003-2007 Silverado 2500? Flickering lights, a dead instrument cluster, or power windows with a mind of their own are classic signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your truck’s body accessories, and when it fails, it can cause a cascade of confusing problems. This replacement BCM, part number 15136225, is the definitive solution to restore your truck’s functionality and your peace of mind.
A Technician’s Notebook: The Ghost in the Machine
I once had a 2006 Sierra 2500 in my bay that was driving the owner crazy. The radio would cut out, the dome light would stay on, and occasionally the security light would flash, preventing it from starting. He’d already replaced the battery and checked all the fuses. After connecting my scanner, I saw a handful of communication loss codes (U-codes) pointing to the BCM. Instead of a costly trip to the dealer for a new module and programming, we opted for a cloned unit. We transferred the data from his original BCM to the replacement. He installed it himself in the parking lot in under 10 minutes. All the bizarre electrical ghosts were gone instantly. This is the power of a direct data clone—it’s the most seamless repair for these complex issues.
The Advantage of Our Cloning Service
Forget about expensive dealership programming or the need for advanced scan tools. Our unique Cloning Service makes this a true plug-and-play repair. We professionally transfer the critical data—including your vehicle’s specific RPO codes, security information, and mileage—from your original BCM directly onto this replacement unit. This ensures that the module is a perfect digital match for your truck, preserving all original features and preventing the compatibility conflicts that plague non-programmed modules. Simply send us your original module, and we’ll send it back to you along with your ready-to-install replacement.
Is Your Truck Exhibiting These BCM Failure Symptoms?
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ HVAC blower motor or climate controls not functioning correctly.
- ✔ The security system acts up, causing a no-start condition (flashing security light).
- ✔ Headlights, taillights, or interior lights behaving erratically.
- ✔ An airbag warning light on the dash, often with a DTC like B1001.
- ✔ A flurry of communication codes (U-codes) when scanned with a diagnostic tool.
- ✔ Poor ground connections that seem to trace back to the module.
A Straightforward Guide to Installation
Installing your cloned 2003-2007 Silverado 2500 BCM is a simple job that most owners can complete in their driveway with basic tools.
- Safety First: Always disconnect the negative terminal from your truck’s battery before starting any electrical work.
- Locate the BCM: On most Silverado and Sierra models, 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.
- Remove the Old Module: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once unplugged, unclip or unbolt the module from its mounting bracket.
- Install the Cloned Module: Mount the new, cloned BCM in the same location and securely plug in all the electrical connectors. You’ll hear a click as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Start your truck and test all the functions: lights, windows, locks, wipers, and HVAC to confirm the repair was successful.
Post-Installation Notes
Our cloning service is designed to prevent the need for additional procedures. However, in some rare cases, a vehicle’s specific configuration may require a relearn. If the airbag light remains on, a professional scan tool will be needed to perform the “Setup SDM Primary Key in BCM” procedure. Similarly, a Brake Pedal Position relearn might be required on certain models to ensure perfect brake light and traction control operation. Always consult a factory service manual for vehicle-specific details.
Will This Fit My Truck?
AVALANCHE 2500 02-06 Body Control (BCM); (under steering column)
ESCALADE & ESV & EXT 03-06 Body Control (BCM); (under steering column)
HUMMER H2 03 Body Control (BCM); ID 8116
HUMMER H2 04-07 Body Control (BCM); (LH dash)
EXPRESS/SAVANA 1500/2500/3500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
SIERRA 1500 PICKUP 03-06 Body Control (BCM); (under steering column), Crew Cab
SIERRA 1500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), Crew Cab
SIERRA 2500 PICKUP 03-05 Body Control (BCM); (under steering column), Crew Cab
SIERRA 2500 PICKUP 06-07 Body Control (BCM); (under steering column), Crew Cab (07 classic style)
SIERRA 3500 PICKUP 03-05 Body Control (BCM); (under steering column), crew cab
SIERRA 3500 PICKUP 06-07 Body Control (BCM); (under steering column), crew cab (07 classic style)
SIERRA DENALI 03-07 Body Control (BCM); (under steering column) (07 classic style)
SILVERADO 1500 PICKUP 03-06 Body Control (BCM); (under steering column), Crew Cab
SILVERADO 1500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), Crew Cab
SILVERADO 2500 PICKUP 03-05 Body Control (BCM); (under steering column), Crew Cab
SILVERADO 2500 PICKUP 06-07 Body Control (BCM); (under steering column), Crew Cab (07 classic style)
SILVERADO 3500 PICKUP 03-05 Body Control (BCM); (under steering column), crew cab
SILVERADO 3500 PICKUP 06-07 Body Control (BCM); (under steering column), crew cab (07 classic style)
SUBURBAN 1500/2500 03-06 Body Control (BCM); (under steering column)
TAHOE 03-06 Body Control (BCM); (under steering column)
YUKON & YUKON XL 1500/2500 03-06 Body Control (BCM); (under steering column)
Interchangeable Part Numbers: 10383536, 15116066, 15136225, 15136877, 15137393, 15137394, 15137395, 15137396, 15198116, 15257043, 15257044, 15257045, 15257046, 10367690, 15064149, 15194170
Frequently Asked Questions
What is a BCM cloning service?
Cloning is a process where we transfer the exact software and vehicle-specific data (like VIN, mileage, and options) from your original BCM to the replacement unit. This makes the new module an identical twin to the old one, ensuring 100% compatibility and eliminating the need for dealership programming.
Do I need to send my original BCM to you?
Yes, for the cloning service to work, we need your original module to extract the data. We will return your original module to you along with the newly cloned, ready-to-install replacement. We do not keep your old part.
Is this a difficult part to replace myself?
Not at all. For most DIYers with basic hand tools, this is a very straightforward job that takes less than 15 minutes. The BCM is typically easy to access under the driver’s side dashboard.
Will this fix my airbag light?
If the airbag light is caused by a faulty BCM (often indicated by code B1001), this part will resolve the issue. In some cases, an ‘Airbag System Sync’ procedure may be needed with a professional scan tool after installation to clear the light.
What if I install it and still have problems?
Our cloned modules are rigorously tested for quality. If issues persist, it may indicate another problem in the vehicle, such as a wiring short or a different faulty component. Our expert support team is here to help you diagnose the situation.