Restore Full Functionality to Your Vehicle’s Electronics
Are you dealing with bizarre electrical issues in your Cadillac, Chevy, or GMC? Lights flashing randomly, power windows with a mind of their own, or a security system that prevents your car from starting? These aren’t just annoyances; they’re classic signs of a failing Body Control Module (BCM). The BCM is the central command for your vehicle’s comfort and convenience features, and when it malfunctions, it can cause widespread, confusing problems. This isn’t a part you can just swap out. A new BCM from the dealership requires expensive, vehicle-specific programming. We offer a simpler, more affordable solution.
This is a replacement BCM that arrives at your door ready to install. How? Through our expert cloning service. After your purchase, we’ll coordinate with you to ship your original BCM to our facility. Our technicians will then extract the unique data from your module—including the VIN, security keys, and specific options—and flash it onto this replacement unit. The result is a true plug-and-play module matched perfectly to your vehicle, saving you a trip to the dealer and hundreds in programming fees. This is the most reliable way to get your vehicle back to 100% without the dealership hassle.
A Technician’s Notebook
I remember a 2015 Silverado 1500 that came into the shop with the owner at his wit’s end. The truck would randomly fail to start, the radio would shut off, and the dome lights would flicker. He’d already replaced the battery and checked the alternator. A scan showed a dozen communication error codes (U-codes) pointing in every direction. This is a tell-tale sign of a network issue, and the BCM is the network’s traffic cop. We identified the BCM as the culprit. Instead of a costly new unit and a day of programming, we used a cloned BCM. The customer was back on the road the same afternoon with all electrical gremlins gone. This service bypasses that diagnostic nightmare and gets you straight to the solution.
Common Signs Your BCM is Failing
- ✔ Erratic or non-functional power windows, door locks, and interior/exterior lights.
- ✔ The security or anti-theft light stays on, preventing the engine from starting.
- ✔ Dashboard warning lights illuminate for no reason.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ Communication errors with other modules, often showing U-codes like U0140, U0155, or U0100.
- ✔ Wipers or climate control systems operating incorrectly.
A Straightforward Guide to Installation
After receiving your programmed module from us, installation is direct. The location of the BCM varies by model (e.g., on the firewall for the ATS, under the steering column for a Sierra). Always confirm the location for your specific vehicle.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the Original BCM: Find the module in your vehicle. It’s a black box with several large electrical connectors.
- Disconnect and Remove: Carefully unplug all wiring harnesses. They have locking tabs that need to be depressed. Once disconnected, unbolt the module from its mounting bracket.
- Install the Replacement: Mount your new, pre-programmed BCM in the same location and securely reconnect all wiring harnesses. You should hear a ‘click’ as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Start the vehicle and test all functions: lights, locks, windows, radio, etc., to confirm the repair.
Important Post-Installation Notes
While our cloning service makes this a near plug-and-play repair, some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following:
- Airbag System Sync: If your airbag warning light is on after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the airbag system with the new BCM.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure proper brake light and traction control operation.
- Disclaimer: Vehicle systems are complex. For the safest and most effective repair, always consult a factory service manual or a qualified technician.
Verified Fitment for These Makes and Models
This BCM is a direct replacement for part numbers 13592137, 13506935, 13506936, 13587704, and 13594764. It is confirmed to fit the following vehicles:
- Cadillac ATS: 2015-2016
- Cadillac CTS: 2015-2016
- Cadillac Escalade / ESV: 2015
- Cadillac XTS: 2015
- Chevrolet Corvette: 2015
- Chevrolet Impala: 2015-2016 (New Style)
- Chevrolet Silverado 1500/2500/3500: 2015
- Chevrolet Sonic: 2015-2018
- Chevrolet Suburban 1500: 2015
- Chevrolet Tahoe: 2015
- GMC Sierra 1500/2500/3500 & Denali Models: 2015
- GMC Yukon / XL 1500: 2015
Frequently Asked Questions
How exactly does this cloning service work?
It’s simple. After you place your order, we’ll contact you with instructions to ship your original BCM to us. Once we receive it, our technicians copy its essential data to the new BCM and ship the programmed unit back to you, typically within 1-2 business days.
Do I need to send my old part in? Is there a core charge?
Yes, you must send us your original BCM for the data transfer. However, there is absolutely no core charge, and we will ship your original module back to you along with the newly programmed one.
Is this truly plug-and-play?
Yes, for 99% of installations. Because we clone your vehicle’s exact data, the replacement BCM is recognized by your car as the original, eliminating the need for dealership programming. In rare cases, a simple relearn procedure may be needed as noted above.
What if my original BCM is completely dead or not communicating?
In many cases, even if the BCM has failed, the memory chip containing the vehicle data is still readable. If you suspect your module is severely damaged (e.g., by water or fire), please contact us before ordering to discuss options.
Why is this better than buying a BCM from the dealership?
Our service saves you significant time and money. You avoid towing costs, high dealership parts markups, and expensive labor charges for on-vehicle programming. You receive a part that is ready to install right out of the box.