Restore Full Electrical Function to Your 2013 GMC Sierra 2500
Are you battling frustrating electrical issues in your truck? Flickering lights, a dead HVAC system, or power windows with a mind of their own? These aren’t just annoyances; they’re classic signs of a failing Body Control Module (BCM). As the electronic nerve center of your vehicle’s body components, a faulty BCM can cause widespread and unpredictable problems. This replacement 2013 Sierra 2500 Body Control Module, part number 15284816, is the definitive solution to restore your truck’s reliability and functionality.
We take the guesswork and extra cost out of the repair. Each module is expertly programmed to your vehicle’s specific VIN before it ships. This means no expensive trips to the dealership for programming—it arrives ready for a straightforward, plug-and-play installation. Get your workhorse back to performing flawlessly, from the headlights to the tailgate.
A Technician’s Notebook: The Ghost in the Machine
Just last month, a 2013 Sierra 2500 HD was towed into my bay. The owner was at his wit’s end. The radio would turn on and off, the driver’s side power window was dead, and the airbag light was on. He’d already replaced the window switch and checked fuses. Hooking up my pro-level scanner, I pulled a slew of communication codes, but the one that stood out was a persistent DTC B1001 – Option Configuration Error stored in the airbag module. This code is a huge red flag for a BCM failure. Before condemning the part, I did my due diligence and checked the main BCM ground points under the dash—they were clean and tight. The evidence pointed directly to an internal BCM failure. We installed one of our VIN-programmed modules, performed the quick SDM key relearn, and every single issue was resolved. The customer drove away with a truck that felt new again.
Is Your Sierra Exhibiting These Symptoms?
- ✔️ Your power windows, door locks, or interior/exterior lights are working intermittently or not at all.
- ✔️ The HVAC system is unresponsive, or the blower motor won’t turn on.
- ✔️ The security system is acting up, causing no-start conditions or random alarm triggers.
- ✔️ An airbag warning light is illuminated on the dash, often with DTC B1001.
- ✔️ You’re experiencing strange electrical behavior, like the radio turning off or gauges acting erratically.
- ✔️ The vehicle is storing various communication or body-related Diagnostic Trouble Codes (DTCs).
A Straightforward Guide to Installation
Replacing the 2013 Sierra 2500 Body Control Module is a job most DIYers can handle in minutes. The BCM is typically located under the driver’s side dashboard, near the steering column.
- Safety First: Always disconnect the negative terminal from your truck’s battery before working on any electronic components.
- Locate the BCM: On your Sierra, it’s under the dash to the left of the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unclip or unbolt the module from its bracket.
- Install the New Module: Seat the new, VIN-programmed BCM into the mounting bracket and securely plug in all the electrical connectors. You’ll hear a click as they lock into place.
- Reconnect Power: Re-attach the negative battery terminal.
- Post-Installation Checks: Turn the key to the ‘ON’ position and verify that your lights, windows, and locks are working correctly. Crucially, if the airbag light remains on, you must perform the ‘Setup SDM Primary Key in BCM’ procedure using a bi-directional scan tool. Some vehicles may also require a brake pedal position sensor recalibration.
Guaranteed Fitment for Your GM Vehicle
This module is a direct replacement for part number 15284816 and is interchangeable with a wide range of other part numbers, ensuring broad compatibility. It is verified to fit the following vehicles:
CADILLAC ESCALADE & ESV/EXT 07-11
CHEVROLET SILVERADO 1500/2500/3500 PICKUP 07-13
CHEVROLET SUBURBAN 1500/2500 07-11
CHEVROLET TAHOE 07-11
GMC SIERRA 1500/2500/3500 PICKUP 07-13
GMC SIERRA DENALI 1500/2500/3500 07-13
GMC YUKON & YUKON XL 1500/2500 07-11
Note: For 2007 models, this fits the ‘New Style’ with the smooth door skin. Please verify your part number or contact us with your VIN to ensure perfect fitment.
Frequently Asked Questions
What does ‘VIN Programmed’ actually mean for me?
It means this module is a true plug-and-play solution. We flash it with your truck’s unique Vehicle Identification Number (VIN) and the latest GM software before shipping. This ensures all the specific options your truck came with (like power folding mirrors, specific lighting, etc.) work correctly right out of the box, saving you a costly programming fee at a dealership.
Do I need special tools for the installation?
Basic hand tools are all that’s needed for the physical installation. However, as noted in the guide, if your airbag light was on, you will need access to a bi-directional scan tool capable of performing the ‘Setup SDM Primary Key’ function to clear the light. Many local repair shops can perform this service for a small fee if you don’t own one.
Will this fix my airbag light with code B1001?
Yes, in the vast majority of cases, a faulty BCM is the root cause of a persistent B1001 code. Replacing the BCM and performing the SDM key setup procedure is the correct repair for this issue.
Is there a core charge for my old BCM?
No, there is no core charge. You can keep your old part or recycle it locally without the hassle of shipping it back to us.
What if I order the wrong part?
We strongly encourage you to provide your VIN at checkout to guarantee compatibility. If you have any doubts, our team of experts is here to help you verify the correct part for your 2013 Sierra 2500 Body Control Module before you buy.