Restore Full Functionality to Your Truck with a Hassle-Free BCM Solution
Are you chasing electrical gremlins in your 2015 Silverado 2500? Flickering lights, unresponsive power windows, strange dash warnings, or a radio that has a mind of its own are all classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your truck’s body electronics, and when it starts to fail, it can cause a cascade of frustrating and seemingly unrelated problems. Instead of facing a costly trip to the dealership for a new module and expensive programming fees, we offer a simple, reliable, and affordable solution.
This is a replacement Body Control Module that comes fully programmed using the data from your original unit. The process is straightforward: after your purchase, you’ll ship your original BCM to us. Our expert technicians will then transfer all the critical vehicle-specific data—including VIN, mileage, and options—to this replacement module. We then ship it back to you, ready for a plug-and-play installation. This service eliminates the need for any additional programming or key relearning on your end, getting you back on the road quickly and confidently.
Is Your Truck Showing These Symptoms?
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Erratic interior or exterior lighting (headlights, dome lights, dash lights).
- ✔ Horn not working or sounding randomly.
- ✔ Inoperative radio or infotainment system.
- ✔ False warning messages on the driver information center (e.g., “Service StabiliTrak”).
- ✔ Diagnostic trouble codes (DTCs) like U0140 (Lost Communication With Body Control Module).
- ✔ Complete no-start condition where the BCM fails to energize the proper circuits.
From the Diagnostic Bay
I remember a 2015 Sierra 1500 that came into the shop with a laundry list of bizarre issues. The owner said his power locks would cycle on their own, the radio would cut out, and sometimes the turn signals wouldn’t work. He’d been to two other shops that couldn’t pinpoint the problem. After hooking up the scan tool, I saw a dozen communication codes all pointing back to one module. The BCM was creating so much electrical noise on the data bus that it was confusing other modules. Instead of a complex wiring repair, the fix was simple: a cloned BCM. Once we swapped it out, every single issue disappeared. It’s a perfect example of how this one component can be the root cause of widespread, confusing symptoms.
A Straightforward Guide to Your BCM Installation
Installing your pre-programmed BCM is a manageable job for a DIYer with basic tools. In most GM trucks like the Silverado and Sierra, the BCM is located under the driver’s side of the dashboard, near the steering column.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electrical components.
- Locate the BCM: Remove the lower dash panel beneath the steering wheel to gain access to the BCM. It’s a black plastic box with several large multi-pin connectors.
- Disconnect and Remove: Carefully unplug all 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. Reconnect all electrical connectors, ensuring they click securely into place.
- Final Steps: Reinstall the lower dash panel and reconnect the negative battery terminal. Start the vehicle and test all functions (lights, locks, windows, radio) to confirm the repair.
Important Post-Installation Information
While our programming service makes this a plug-and-play repair, some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following potential procedures:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is required to perform the “Setup SDM Primary Key in BCM” procedure. This syncs the airbag system with the new BCM. This is only necessary if the light is on.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be needed to ensure correct brake light operation and traction control system function.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a qualified technician if you are unsure about any step.
Will This Fit My Vehicle?
This BCM is a direct-fit replacement for a wide range of GM vehicles and is compatible with the following part numbers: 13592137, 13506935, 13506936, 13587704, and 13594764. Please verify your part number before ordering. It is confirmed to fit the following models:
- ATS: 2015, 2016
- Corvette: 2015
- CTS: 2015, 2016
- Escalade / Escalade ESV: 2015
- Impala: 2015-2016 (New Style)
- Sierra 1500 / Denali 1500: 2015
- Sierra 2500 / Denali 2500: 2015
- Sierra 3500 / Denali 3500: 2015
- Silverado 1500 Pickup: 2015
- Silverado 2500 Pickup: 2015
- Silverado 3500 Pickup: 2015
- Sonic: 2015-2018
- Suburban 1500: 2015
- Tahoe: 2015
- XTS: 2015
- Yukon / Yukon XL 1500: 2015
Frequently Asked Questions
How does the programming service work?
After you place your order, we will contact you with instructions to ship your original BCM to us. We then extract the vehicle-specific data and flash it onto the replacement module. We ship the programmed module back to you, typically within 1-2 business days of receiving your original.
Do I need to send my keys?
No. Because we are cloning the data from your original module, all your existing keys will work perfectly with the new BCM without any additional programming.
Is this a permanent fix for my electrical problems?
If your vehicle’s symptoms match those of a failing BCM and the module itself is the source of the fault, then yes, this replacement will provide a lasting and reliable solution.
What if I install it and still have an airbag light?
This is a possibility. The airbag module (SDM) and BCM are linked for security. If the light appears, it simply means they need to be re-synced. A repair shop with a professional-grade scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Is there a core charge for my old BCM?
No, there is no core charge. We only need your original module for the data transfer service. You can keep your original module after the service is complete.