Restore Your Truck’s Electrical System with a Hassle-Free Solution
Are you chasing down bizarre electrical issues in your 2015 Silverado or other GM vehicle? Flickering lights, power windows with a mind of their own, a security light that won’t turn off, or random warning messages on the dash are classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can create a cascade of frustrating and seemingly unrelated problems. The dealership solution often involves a brand new module and several hours of expensive programming fees. We offer a smarter, more efficient path forward.
This is a professionally programmed BCM, ready for installation. Our service is simple: you purchase this module, send us your original BCM, and we handle the rest. We meticulously transfer all your vehicle’s specific data—including VIN, mileage, and key information—from your old module to this replacement unit. The result is a true plug-and-play component that restores full functionality without requiring a trip to the dealer. This is the definitive fix for a failing 2015 Silverado BCM and the most direct way to get your truck back to 100%.
From the Diagnostic Bay: The Case of the Confused Silverado
A few months back, a 2015 Silverado 1500 was towed into my shop. The owner was at his wit’s end. The truck would randomly refuse to start, the radio display would go blank, and the interior dome lights would flicker like a horror movie. He’d already replaced the battery and checked the alternator. My initial scan pulled a handful of U-codes, specifically U0140 (Lost Communication With Body Control Module). This pointed me directly to the BCM. After confirming solid power and ground to the module, it was clear the BCM itself was failing internally. Instead of a costly new unit and programming, we used a cloned module. The customer sent us his original, we transferred the data, and sent the replacement back. He installed it in under 30 minutes in his own driveway. The truck fired right up, and every single electrical gremlin was gone. This process saved him over $500 and a week of downtime waiting on the dealer.
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 not working.
- ✔ The anti-theft or security system light staying illuminated, preventing the engine from starting.
- ✔ Inaccurate readings on the instrument cluster gauges.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Communication-related Diagnostic Trouble Codes (DTCs) such as U0140, U0155, or B1001.
- ✔ Intermittent no-start conditions where all other systems seem fine.
Your Straightforward BCM Installation Guide
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate the BCM: On most 2015 GM trucks and SUVs like the Silverado, Sierra, and Tahoe, the BCM is located under the driver’s side of the dashboard, near the steering column. It’s a black box with multiple large electrical connectors.
- ✔ Disconnect and Remove: Carefully unplug all electrical connectors. They have locking tabs that need to be pressed to release. Once disconnected, unbolt or unclip the module from its mounting bracket and remove it from the vehicle.
- ✔ Install the New Module: Mount the replacement BCM you received from us in the exact same location. Reconnect all the electrical connectors, ensuring each one clicks securely into place.
- ✔ Reconnect Power: Reattach the negative battery terminal and tighten it securely.
- ✔ Test Functionality: Start the vehicle and test all body-related functions: lights, windows, locks, horn, and wipers to confirm the repair is successful.
Important Post-Installation Steps
While our cloning service makes this a plug-and-play repair, some GM systems require a ‘handshake’ after a new module is introduced. Be aware of the following:
- Airbag System Sync: If your airbag warning light is on after installation, a simple ‘Setup SDM Primary Key in BCM’ procedure must be performed with a professional scan tool. This syncs the airbag system with the new BCM. This is only needed if the light appears.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure your brake lights and traction control system function correctly. This is also done with a capable diagnostic tool.
Disclaimer: Vehicle systems vary. Always have a factory service manual or a qualified technician available for reference.
Verified Vehicle Compatibility List
This BCM is a direct-fit replacement for units with part numbers 13592137, 13506935, 13506936, 13587704, or 13594764. It is compatible with the following models:
- 2015 Chevrolet Silverado 1500 / 2500 / 3500
- 2015 GMC Sierra 1500 / 2500 / 3500 (including Denali)
- 2015 Chevrolet Suburban 1500 & Tahoe
- 2015 GMC Yukon & Yukon XL 1500
- 2015 Cadillac Escalade & Escalade ESV
- 2015 Chevrolet Corvette
- 2015-2016 Chevrolet Impala (New Style)
- 2015-2016 Cadillac CTS & ATS
- 2015 Cadillac XTS
- 2015-2018 Chevrolet Sonic
Please match your part number or vehicle to ensure correct fitment. If you have any questions, don’t hesitate to contact us.
Frequently Asked Questions
How does the programming service work?
It’s simple. After you place your order, we will contact you with instructions to ship your original BCM to us. Once we receive it, we transfer all the necessary data to the replacement module and ship it back to you, typically within one business day.
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 replacement BCM upon installation.
Is this really plug-and-play?
Yes, for 99% of vehicles. Our cloning process eliminates the need for dealership programming. In rare cases, as noted above, a simple relearn procedure for the airbag or brake pedal sensor might be needed, which can be done by most local repair shops.
What if my original BCM is completely dead or missing?
If your BCM is non-communicative (e.g., water damaged or burned), we may still be able to recover the data. Please contact us before ordering to discuss your specific situation.
Do I need to return my old BCM after installation?
No, there is no core charge for this part. You can keep your original module after you’ve sent it to us for the initial data transfer.