Tired of Electrical Gremlins in Your Cadillac?
As a technician with over two decades of experience, I’ve seen it all. Flickering lights, power windows with a mind of their own, a radio that randomly cuts out, or worse—a car that refuses to start. These aren’t just annoyances; they’re classic signs of a failing Body Control Module (BCM). The BCM is the central hub for your vehicle’s body electronics, and when it goes bad, it can cause widespread, confusing issues. For many owners, a trip to the dealership means a hefty bill for a new module and expensive programming fees. We offer a smarter, more affordable solution.
This is not just a part; it’s a complete, hassle-free service. You send us your original BCM, and we meticulously transfer all of its critical data—including VIN, mileage, and key programming—to this fully tested replacement module. The result? You receive a true plug-and-play unit that is ready for installation right out of the box, eliminating the need for dealer intervention. This service is the most reliable way to restore your vehicle’s functionality without disrupting the complex security and communications network that modern cars rely on.
From the Diagnostic Bay: The Case of the Confused Cadillac
A customer brought in a 2015 Cadillac XTS with a laundry list of bizarre symptoms. The interior lights would stay on, the driver’s side power seat was inoperative, and the car would intermittently fail to recognize the key fob. They had already replaced the battery and checked fuses, but the problems persisted. A scan revealed a slew of communication errors, all pointing towards the BCM (DTC U0140 – Lost Communication With Body Control Module). Instead of a costly new module and programming from the dealer, we performed our cloning service. By transferring the data from his faulty BCM to our replacement unit, the car was back to 100% functionality in a day. All the electrical gremlins vanished. This is the exact service we offer you.
Is Your Vehicle Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, your BCM is the likely culprit:
- ✔ Power windows, locks, or mirrors operating erratically or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The security system acting up, causing no-start conditions (anti-theft light flashing).
- ✔ Inconsistent operation of the radio, climate controls, or instrument cluster gauges.
- ✔ False warnings on the dashboard (e.g., ‘Service Airbag’ or ‘Service StabiliTrak’).
- ✔ Diagnostic trouble codes (DTCs) related to communication loss with the BCM, such as U0140, U0155, or B1001.
A Straightforward Guide to Your BCM Installation
Installing your newly programmed module is a manageable job for a DIY enthusiast or a quick task for any professional mechanic. The key is knowing where to look.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate Your BCM: The location varies by model. For the 2015 XTS, it’s at the left front hinge pillar. For trucks like the Sierra/Silverado, it’s typically under the steering column. For an ATS, it’s on the firewall. Always confirm the location for your specific vehicle.
- Remove the Old Module: Carefully disconnect all electrical connectors. They have locking tabs, so be gentle to avoid damage. Unbolt the module from its mounting bracket.
- Install the Cloned Module: Mount your new, pre-programmed BCM and securely reconnect all electrical harnesses. Ensure they click into place.
- Reconnect the Battery: Reattach the negative battery terminal.
- Perform Post-Install Checks: Start the vehicle and test all body functions—lights, windows, locks, radio, etc. Note that some vehicles may require additional steps as outlined below.
Important Post-Installation Information
While our cloning service makes this a near plug-and-play repair, some vehicle systems may require a ‘handshake’ with the new BCM. If you see an airbag light, a professional scan tool is needed to perform the “Setup SDM Primary Key in BCM” procedure. Similarly, a “Brake Pedal Position Relearn” might be necessary on some models to ensure brake lights and traction control work correctly. These are simple procedures for any competent repair shop.
Verified Compatibility for Your Vehicle
This BCM cloning service is compatible with units bearing part numbers 13592137, 13506935, 13506936, 13587704, and 13594764. It fits a wide range of GM models, including but not limited to:
- ATS: 2015-2016
- Corvette: 2015
- CTS: 2015-2016
- Escalade / Escalade ESV: 2015
- Impala: 2015-2016 (New Style)
- Sierra / Silverado (1500, 2500, 3500): 2015
- Sonic: 2015-2018
- Suburban / Tahoe: 2015
- XTS: 2015
- Yukon / Yukon XL: 2015
Always match your part number or consult the detailed fitment list to confirm compatibility. If you have any questions, we’re here to help.
Frequently Asked Questions
How does the cloning service work after I order?
After you place your order, we will contact you with detailed instructions and a shipping address. You will need to carefully package and ship your original BCM to us. Once we receive it, we perform the data transfer to the replacement module and ship it back to you, typically within 1-2 business days.
Do I need to do any programming myself?
No. The purpose of our service is to handle all the programming for you. The module you receive will be plug-and-play. In some rare cases, a simple relearn procedure (like for the brake pedal position sensor) may be needed, which can be done with a standard bidirectional scan tool.
What if my original BCM is completely dead or not communicating?
In most cases, even if the BCM is failing, we can still extract the necessary data. If your module has severe water or fire damage, data recovery may not be possible. Please contact us before ordering if you suspect this is the case.
Is there a core charge for this part?
No, there is absolutely no core charge. We provide the replacement BCM as part of the service. You can keep your original, non-working module.
Will this fix my specific problem?
This service corrects issues directly caused by a faulty BCM. It’s crucial to have the vehicle properly diagnosed to confirm the BCM is the root cause. Our service addresses the module itself, not underlying wiring or sensor issues in the vehicle.