Restore Full Functionality to Your Truck with a Plug-and-Play BCM
If you’re dealing with bizarre electrical issues in your 2015 Silverado 1500—like power windows with a mind of their own, flickering dash lights, or a security system that prevents your truck from starting—you’ve likely pinpointed the culprit: a failing Body Control Module (BCM). As the central nervous system for your vehicle’s body electronics, a faulty BCM can cause a cascade of frustrating and seemingly unrelated problems. A trip to the dealership often means a hefty bill for the part, labor, and mandatory programming. We offer a smarter, more cost-effective solution.
This is a replacement BCM that arrives at your door fully programmed and ready for installation. How? Through our expert cloning service. You simply send us your original BCM, and we transfer all its critical data—including VIN, mileage, and key information—to this replacement unit. The result is a true plug-and-play module that restores your truck’s functions without requiring expensive dealer tools or software. This service is the fastest way to get your 2015 Silverado 1500 BCM working correctly again.
From the Diagnostic Bay: The Ghost in the Machine
I remember a 2015 Sierra 1500 (which uses the same BCM) that came into my shop with the most baffling symptoms. The owner said his interior lights would stay on, the radio would randomly change stations, and occasionally, the horn would honk when he used the turn signal. He’d been to two other shops that couldn’t find the issue because no hard fault codes were stored. After checking the main power and ground circuits, I focused on the BCM data stream. I noticed corrupt data packets being sent intermittently. We swapped in one of our cloned BCMs, and every single issue vanished instantly. It’s a classic case where the BCM isn’t completely dead but is internally failing, creating chaos across the vehicle’s network.
Is Your Truck Showing These Symptoms?
- ✔ Power windows, door locks, or mirrors operating erratically or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The anti-theft or security system light is on, and the engine won’t start.
- ✔ Dashboard warning lights appearing for no reason (e.g., ABS, Traction Control).
- ✔ Remote keyless entry (fob) is unresponsive.
- ✔ Communication fault codes, such as U0140, U0155, or other U-codes, indicating a loss of communication with the BCM.
A Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your truck’s battery to prevent any electrical shorts.
- ✔ Locate and Remove: Find your original BCM. In the 2015 Silverado 1500, it’s typically located under the steering column, behind the lower dash panel. Carefully disconnect the wiring harnesses and remove the module.
- ✔ Ship It To Us: After your purchase, we will provide detailed instructions and a shipping address. Securely package your original BCM and send it to our facility.
- ✔ We Handle the Rest: Upon receipt, our technicians will professionally clone all the data from your original module to the new unit, usually within one business day.
- ✔ Install the Solution: We’ll ship your newly programmed BCM back to you. Simply mount it in place, reconnect the wiring harnesses, and re-secure the dash panel.
- ✔ Power Up: Reconnect your battery terminal. Your truck’s body functions should now be fully restored.
Important Post-Installation Information
While our cloning service makes this a nearly plug-and-play repair, some GM vehicles may require a simple recalibration procedure after the new 2015 Silverado 1500 BCM is installed. These do not always occur but are important to be aware of:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This syncs the airbag system with the new BCM and requires a professional-grade scan tool.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be necessary to ensure correct brake light operation and to prevent issues with the traction control system.
Disclaimer: Always consult a factory service manual or a qualified technician if you are unsure about any step. Specific procedures can vary slightly by vehicle options.
Will This Fit My Vehicle?
This BCM is a direct-fit replacement for part number 13594764 and is also compatible with part numbers 13592137, 13506935, 13506936, and 13587704. It fits a wide range of GM vehicles, including:
- Cadillac: ATS (2015-16), CTS (2015-16), Escalade / ESV (2015), XTS (2015)
- Chevrolet: Corvette (2015), Impala (2015-16), Silverado 1500/2500/3500 (2015), Sonic (2015-18), Suburban 1500 (2015), Tahoe (2015)
- GMC: Sierra 1500/2500/3500 (2015), Sierra Denali 1500/2500/3500 (2015), Yukon / Yukon XL 1500 (2015)
Please verify the part number on your original module to ensure perfect compatibility. Location varies by model (e.g., under steering column, LH dash, firewall).
Frequently Asked Questions
How does the cloning service work?
After you place your order, you will ship your original BCM to us. We use specialized equipment to extract the unique software and vehicle data from your module and flash it onto the replacement unit. This makes the new module an exact electronic copy of your old one.
Why is this better than buying a BCM from a dealer?
Our service saves you significant money and hassle. A dealer will charge you for a new module, several hours of labor, and a separate programming fee. Our solution provides a pre-programmed module that you or your mechanic can install quickly, eliminating the need for a dealer visit.
What if my original BCM is completely dead or not communicating?
In most cases, even if the BCM is failing, the core data on the memory chip is still readable. We have a very high success rate with data recovery. If for some rare reason we cannot read your module, we will contact you to discuss options.
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 our cloning process transfers it directly. Your existing keys will work seamlessly with the new module.
Is there a core charge?
No, there is no core charge for this service. You can keep your original module after we have completed the cloning process.