Restore Your Cadillac’s Electrical System with a Plug-and-Play Solution
If you’re experiencing a cascade of bizarre electrical issues in your 2014-2016 Cadillac ELR—from flickering lights and malfunctioning power windows to security system alerts and dashboard warning lights that have a mind of their own—a failing Body Control Module (BCM) is the likely culprit. As a technician with over two decades of experience, I’ve seen how a faulty BCM can turn a sophisticated vehicle into a source of constant frustration. The BCM is the central hub for your car’s body electronics, and when it fails, it can trigger a host of seemingly unrelated problems.
Forget expensive dealership visits and the hassle of scheduling programming appointments. We offer a streamlined, reliable mail-in programming service that delivers a BCM ready for installation. Simply purchase this service, and we’ll contact you with instructions to ship your original BCM to our facility. Our experts will then transfer all the critical vehicle-specific data to this replacement module, creating a perfect clone. The result is a true plug-and-play part that restores full functionality, getting your luxury vehicle back to operating as it should.
A Technician’s Notebook
I remember a 2015 Cadillac SRX that came into the shop with the strangest symptoms. The interior lights would stay on, the driver’s window wouldn’t respond, and the remote key fob worked only intermittently. The customer had already replaced the battery, thinking it was a simple voltage issue. After connecting my scan tool, I found a string of U-codes (communication errors) pointing to the BCM. Instead of a costly new module and hours of programming, we used a similar cloning service. The customer sent us his module, we cloned it, and he installed the replacement himself in under an hour. All the electrical gremlins vanished instantly. This process is a game-changer for both shops and DIYers.
Is Your Vehicle Showing These Symptoms?
A failing BCM can manifest in numerous ways. Here are some of the most common signs I’ve diagnosed in my shop:
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ The security system or alarm randomly activating or failing to arm.
- ✔ Remote keyless entry (fob) not working correctly.
- ✔ Dashboard warning lights (like the airbag or service vehicle light) illuminating for no reason.
- ✔ Communication error codes stored in the system (often U-codes like U0140).
- ✔ Problems with the climate control system.
Your Straightforward Installation Roadmap
Installing your programmed 2014-2016 ELR BCM is a direct process. While the exact location can vary, the steps are generally consistent.
- Safety First: Always disconnect the negative terminal from your vehicle’s 12V battery before starting any electrical work.
- Locate the BCM: On the 2014-2016 ELR, the Body Control Module is typically found in the right-hand cowl area. For other compatible models, it may be in the LH kick panel or dash area. Consult a service manual for your specific vehicle if you’re unsure.
- Disconnect Connectors: Carefully unplug all electrical connectors from the old BCM. They have locking tabs that need to be depressed to release them. Do not force them.
- Remove the Old Module: Unbolt or unclip the original BCM from its mounting bracket.
- Install the New Module: Mount your newly programmed BCM in the same location and securely reconnect all the electrical connectors.
- Reconnect Battery: Reattach the negative battery terminal.
- Test Functionality: Start the vehicle and test all body functions—lights, locks, windows, radio, etc.—to confirm the repair was successful.
Important Post-Installation Notes
In some cases, additional synchronization procedures may be required after installation. This is normal and ensures all vehicle systems communicate correctly with the new 2014-2016 ELR BCM.
- Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional-grade scan tool to sync the airbag system with the BCM.
- Brake Pedal Position Relearn: Some models may require a brake pedal position sensor relearn to ensure the brake lights and traction control system function properly. This is also performed with a diagnostic tool.
Disclaimer: Always consult a factory service manual or a qualified professional if you are unsure about any step. No core charge is required; you can keep your old module.
Verified Vehicle Compatibility
This module is a direct fit for units with part number 13580698 and is also compatible with the following part numbers: 13578458, 13589115, 13589637, 13590173, 13590851, 13591300, 13592376, 13593775, 13593776, and 13594564. It will fit these makes and models with the specified options:
- Cadillac ELR: 2014-2016 (Body Control or Communication Module)
- Cadillac SRX: 2014-2016 (Body Control, LH dash)
- Chevrolet Volt: 2014-2015 (Body Control, RH engine compartment)
- Chevrolet Malibu: 2014-2015, 2016 (Limited) (Body Control, LH kick panel)
- Chevrolet Camaro: 2014-2015 (Body Control, RH dash)
- Chevrolet Spark EV: 2014-2016 (Body Control, left lower a-pillar)
- Buick LaCrosse: 2014-2016 (Body Control, LH kick panel)
- Buick Regal: 2014-2017 (Body Control, LH dash)
How does the mail-in programming service work?
After you place your order, we will email you detailed instructions and a shipping address. You securely package and mail your original BCM to us. Once we receive it, we transfer the data to the replacement module and ship it back to you, typically within 1-2 business days. You will receive tracking information once it’s on its way.
What if my original BCM is too damaged to be read?
In the vast majority of cases, even with significant internal failure, we can still extract the necessary programming data. If for some rare reason your module’s data is completely inaccessible, we will contact you to discuss options and will provide a full refund if we cannot complete the service.
Is this a guaranteed fix for my car’s problems?
This service corrects issues directly caused by a faulty BCM. While the symptoms listed are strong indicators, proper vehicle diagnosis is key. We recommend confirming the BCM is the point of failure before ordering. This part will not fix issues related to wiring, sensors, or other modules.
Do I need any special tools for installation?
For the physical installation, you’ll typically only need basic hand tools like a socket set or screwdriver to access and remove the module. However, as noted, a professional diagnostic scan tool may be required for post-installation procedures like the airbag system sync or brake pedal relearn if warning lights appear.
Is there a core charge?
No, there is no core charge for this service. You are not required to send your original module back to us after you receive the programmed replacement, but we do need it initially for the cloning process.