Restore Your Truck’s Electrical Sanity
Are you chasing electrical gremlins in your 2015 Silverado 2500? Flickering lights, unresponsive power windows, a security system that has a mind of its own, or a horn that won’t stop blaring are all classic signs of a failing Body Control Module (BCM). As the central computer for your truck’s comfort and convenience features, a faulty BCM can turn your reliable workhorse into a source of daily frustration. Instead of facing a costly trip to the dealership for diagnostics and programming, we offer a straightforward, reliable solution.
This is a comprehensive programming service for a replacement BCM. The process is simple: you purchase this service, ship your original BCM to us, and we handle the rest. Our technicians will expertly transfer all the critical data—including your vehicle’s specific options and key information—from your original module to this replacement unit. The result? A BCM that is truly plug-and-play, arriving at your door ready for installation, saving you hundreds in dealer fees and eliminating the need for towing.
From the Diagnostic Bay: The Ghost in the Machine
I remember a 2015 Sierra 2500 (which uses the same BCM) that came into the shop with the most bizarre symptoms. The customer said his interior lights would randomly turn on while driving, and sometimes the truck wouldn’t start, just a single click. We checked the battery, starter, and alternator—all perfect. Scan tools showed a slew of communication error codes (U-codes) pointing to a network issue. After tracing the CAN bus wiring, we isolated the problem to the BCM. It was intermittently failing, corrupting data across the network and causing these ghost-like issues. By cloning his original module to a quality replacement, we had him back on the road the next day with all electrical functions restored. It’s rarely a simple part failure; it’s a communication breakdown, and this service fixes that.
Common Signs of a Failing BCM
- ✔ Power windows, door locks, or mirrors operating erratically or not at all.
- ✔ Interior or exterior lights flickering, staying on, or failing to turn on.
- ✔ The anti-theft or security light is illuminated, preventing the engine from starting.
- ✔ The horn or alarm sounding without reason.
- ✔ Multiple communication error codes, such as U0140, U0100, or other U-series DTCs.
- ✔ Wipers or radio functions are inconsistent.
A Straightforward Guide to Installation
Installing your pre-programmed 2015 Silverado 2500 BCM is a manageable job for a DIYer with basic tools. The BCM is typically located under the steering column on the driver’s side.
- Safety First: Disconnect the negative terminal from your truck’s battery and wait at least 10 minutes to allow all modules to power down completely.
- Locate the BCM: On most Silverado/Sierra models, you’ll find the BCM mounted to a bracket under the driver’s side of the dashboard, near the steering column. You may need to remove a lower dash panel for access.
- 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 BCM: Mount your new, pre-programmed BCM in the same location and securely plug in all the electrical connectors. You should hear a click as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting the engine) and test all body functions: windows, locks, lights, wipers, and radio.
Important Post-Installation Notes
While our cloning service makes this a plug-and-play repair, some vehicle systems may require a relearn procedure. This is normal. A Brake Pedal Position Relearn might be necessary for proper brake light and traction control operation. Additionally, if your airbag light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the systems. Please note there is no core charge; you can keep your original module.
Verified Vehicle Compatibility
This BCM is a guaranteed fit for the following vehicles and part numbers. Always match your part number to ensure compatibility. This module is a direct replacement for part numbers: 13592137, 13506935, 13506936, 13587704, and 13594764.
- 2015 Cadillac ATS, CTS, Escalade, Escalade ESV, XTS
- 2016 Cadillac ATS, CTS
- 2015 Chevrolet Corvette, Impala (New Style), Silverado 1500/2500/3500, Suburban 1500, Tahoe
- 2015-2018 Chevrolet Sonic
- 2015 GMC Sierra 1500/2500/3500 & Denali Models
- 2015 GMC Yukon & Yukon XL 1500
Note: Specific locations and options may vary. Please see the original fitment data for details. This service provides a reliable fix for your 2015 Silverado 2500 BCM and many other GM models.
Frequently Asked Questions
How does the programming service work?
After you place your order, we will contact you with simple instructions to ship your original BCM to us. Once we receive it, our technicians will clone all the necessary data to the replacement module and ship it back to you, usually within 1-2 business days.
Will I need to take my truck to the dealer after installation?
No. Our cloning service makes this a plug-and-play solution, eliminating the need for expensive dealership programming. In some rare cases, a minor relearn procedure like for the brake pedal position sensor may be needed, which can often be done with a high-quality bidirectional scan tool.
Is this a new or used part?
This is a high-quality, fully tested replacement module that has been inspected to meet or exceed OEM specifications. It is programmed with your vehicle’s original data for seamless integration.
What happens if I don’t send in my original BCM?
The cloning service is essential for this part to work in your vehicle. The replacement BCM will not function without being programmed with your truck’s unique data from your original module.
Do I need to send my keys?
No, you do not need to send your keys. All the necessary security information is stored within the BCM itself, and we transfer it directly during the cloning process. Your existing keys will work perfectly.