Restore Your Truck’s Electrical System with a Hassle-Free BCM Solution
If your 2015 Sierra 2500 is starting to act possessed—with flickering lights, malfunctioning power windows, or random warning messages flashing on your dash—you’re likely dealing with a failing Body Control Module (BCM). As the central nervous system for your truck’s body electronics, a faulty BCM can cause a cascade of frustrating and unpredictable problems. In my 20+ years of automotive diagnostics, I’ve seen these modules cause everything from simple annoyances to no-start conditions that leave drivers stranded. The dealership solution is often a new module followed by expensive and time-consuming programming.
We offer a smarter, more efficient path forward. This is a comprehensive cloning service for your 2015 Sierra 2500 BCM. You simply send us your original module, and we transfer all of its critical data—including VIN, mileage, and security information—to this fully tested replacement unit. The result? A module that is 100% plug-and-play for your specific vehicle, eliminating the need for any additional programming or dealer intervention. It’s the most reliable way to get your truck back to normal without the headache and high cost.
I remember a 2015 Silverado that came into the shop with a persistent battery drain that two other mechanics couldn’t solve. The battery and alternator tested fine. After hooking up an amp clamp and pulling fuses one by one, we noticed a significant current draw tied to the BCM circuit. The faulty BCM wasn’t going into ‘sleep’ mode, keeping other modules on the communication network active all night. This phantom draw was killing the battery. Replacing the BCM with a cloned unit like this one solved the problem instantly. It’s a classic example of how a failing BCM can cause symptoms that don’t seem directly related to its main functions.
Common Signs Your GM BCM is Failing
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, your Body Control Module is the likely culprit. Look out for communication codes like U0140 (Lost Communication With Body Control Module).
- ✔ Erratic or non-functional power windows, door locks, and interior/exterior lights.
- ✔ The security system light stays on or flashes, potentially causing a no-start condition.
- ✔ Horn honking randomly or not working at all.
- ✔ Wipers turning on by themselves or not responding to the switch.
- ✔ Inaccurate gauge readings or warning lights that have no apparent cause.
- ✔ Communication issues with diagnostic scan tools.
Our Simple Mail-In & Install Process
We’ve designed our service to be as straightforward as possible. Here’s how you get your truck fixed without ever stepping foot in a dealership:
- Place Your Order: Purchase this BCM cloning service. We will contact you with shipping instructions.
- Ship Your Module: Carefully remove your original BCM and ship it to us. Make sure your contact information is correct so we can coordinate smoothly.
- We Handle the Programming: Once we receive your module, our technicians will perform a full data transfer to the replacement BCM.
- Receive Your Cloned BCM: We ship the ready-to-install module back to you, typically within 24-48 hours of receiving your original.
- Install and Drive: Install the replacement BCM. In most cases, your truck will start right up with all functions restored.
Post-Installation Checks
Because we are cloning your original data, additional procedures are rarely needed. However, on some GM platforms, you may need to perform a quick relearn. A professional scan tool is required for these steps.
- Airbag System Sync: If the airbag light is on after installation, a technician will need to perform the “Setup SDM Primary Key in BCM” procedure to sync the systems.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure proper brake light and stability control function.
- Disclaimer: Always consult your vehicle’s factory service manual or a qualified technician for specific guidance.
Verified Compatibility for Your Vehicle
This service is compatible with a wide range of GM vehicles. Please verify your part number is listed below. This module is a direct replacement for part numbers: 13592137, 13506935, 13506936, 13587704, 13594764.
This part will fit these makes and models with these options:
- ATS (2015-2016)
- CORVETTE (2015)
- CTS (2015-2016)
- ESCALADE & ESCALADE ESV (2015)
- IMPALA (2015-2016)
- SIERRA 1500 / DENALI 1500 (2015)
- SIERRA 2500 PICKUP / DENALI 2500 (2015)
- SIERRA 3500 PICKUP / 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
What exactly is a BCM cloning service?
This service involves transferring the unique programming and security data from your original, failing BCM to this fully functional replacement unit. This makes the replacement module plug-and-play for your vehicle, avoiding costly dealer programming.
Why do I have to send my original BCM to you?
Your original BCM contains the specific vehicle identification number (VIN), security codes, and option configurations for your truck. Transferring this data is the only way to ensure the replacement works seamlessly without additional programming.
Is the returned module difficult to install?
No. Once we have cloned your data, the installation is straightforward. You simply remove the old module and plug this one in. On your 2015 Sierra 2500, the BCM is typically located on the LH firewall or under the steering column.
What if my airbag light comes on after installation?
This is a rare but possible occurrence. It means the new BCM needs to be synced with the airbag module (SDM). A qualified technician with a professional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes.
How long does the entire process take?
We typically program and ship your replacement BCM within 24-48 business hours of receiving your original module. Total time will depend on shipping times to and from our facility.
Do I need to pay a core charge or return the part after?
No, there is absolutely no core charge for this service. After we clone your data, you can keep your original module.