Restore Your Vehicle’s Electrical System with a Hassle-Free Solution
Are you dealing with baffling electrical issues in your Buick LaCrosse, Malibu, or other compatible GM vehicle? Flickering lights, malfunctioning power windows, a security system that acts up, or warning lights that won’t go away are classic signs of a failing Body Control Module (BCM). As the central nervous system for your car’s body electronics, a faulty BCM can make driving a frustrating and unpredictable experience. In my 20+ years as a technician, I’ve seen how these problems can escalate, leaving owners stranded and facing expensive dealership repair bills.
This isn’t just a replacement part; it’s a complete, plug-and-play solution. We eliminate the biggest headache of BCM replacement: the need for dealership programming. Our professional cloning service transfers all the critical data—including VIN, key information, and security settings—from your original module directly to this replacement unit. When you receive it back, it’s ready to install and will function exactly as your original did, without any additional programming fees or trips to the service center.
From the Diagnostic Bay: The Case of the Confused Camaro
A customer brought in a 2015 Camaro with a laundry list of complaints: the radio would randomly shut off, the passenger window wouldn’t respond, and the remote start worked only intermittently. They had already replaced the battery and checked fuses, but the gremlins persisted. After connecting my scan tool, I saw multiple communication error codes (U-codes) pointing to the BCM. Instead of quoting them for a new module plus hours of programming at the dealer, we recommended our cloning service. We received their old BCM, transferred the data, and sent the programmed replacement back. The customer installed it in under an hour, and every single issue was resolved. They saved hundreds of dollars and got their car back to normal without the dealership hassle.
Common Signs of a Failing BCM
If you’re experiencing any of the following, a faulty BCM could be the culprit. This is especially true if you see multiple, seemingly unrelated electrical problems occurring at once.
- ✔ Erratic or non-functional power windows, door locks, or interior/exterior lights.
- ✔ The security system or anti-theft light is always on, preventing the car from starting.
- ✔ Dashboard warning lights (like airbag or traction control) illuminate without a clear cause.
- ✔ Remote keyless entry fails to work consistently or at all.
- ✔ Communication error codes, such as U0140, are stored in the vehicle’s computer system.
- ✔ The horn honks randomly or the wipers activate on their own.
A Straightforward Guide to Installation
Our cloning service makes the physical installation simple. Here’s a general guide to get you started. Note: The BCM location varies by model (see fitment list), so 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 BCM: On a 2014-2016 LaCrosse, the BCM is typically found behind the driver’s side (LH) kick panel. For other models, it may be in the dash, cowl, or engine compartment.
- Remove Trim: Carefully remove any plastic trim or panels necessary to access the module.
- Disconnect and Remove: Unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount your newly programmed BCM in the same location and reconnect all the electrical connectors, ensuring they click securely into place.
- Reconnect and Test: Reconnect the negative battery terminal. Start the vehicle and test all body functions—windows, locks, lights, wipers, and radio—to confirm everything is working correctly.
Post-Installation Verifications
Because this 2014-2016 LaCrosse BCM is cloned from your original, most vehicles will not require any additional steps. However, in some cases, a ‘relearn’ or ‘sync’ procedure may be needed. This is normal and is related to how different modules communicate.
- 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 certain models, a brake pedal position sensor relearn may be required to ensure the brake lights and traction control system function properly.
Disclaimer: Vehicle systems can be complex. Always refer to a factory service manual or consult a qualified technician if you are unsure about any part of the process. There is no core charge for this service; you can keep your original module.
Verified Vehicle Compatibility
This module is a direct fit for units with part number 13578458 and is interchangeable with the following part numbers: 13580698, 13589115, 13589637, 13590173, 13590851, 13591300, 13592376, 13593775, 13593776, and 13594564.
- Buick LaCrosse: 2014-2015 (LH kick panel)
- Buick LaCrosse: 2016 (LH kick panel, ID 13580698 or 13594564)
- Buick Regal: 2014-2017 (LH dash)
- Cadillac ELR: 2014-2016 (RH cowl)
- Cadillac SRX: 2014-2016 (LH dash)
- Chevrolet Camaro: 2014-2015 (RH dash)
- Chevrolet Malibu: 2014-2015 (LH kick panel)
- Chevrolet Malibu: 2016 (VIN 1, Limited, LH kick panel)
- Chevrolet Spark EV: 2014-2016 (Electric model, left lower A-pillar)
- Chevrolet Volt: 2014-2015 (RH engine compartment)
Frequently Asked Questions
How does the cloning service work?
After you place your order, we will provide you with instructions to ship your original BCM to us. Once we receive it, our technicians will extract the vehicle-specific data and flash it onto the replacement module. We then ship the fully programmed, plug-and-play BCM back to you.
Will I need to program my keys again?
No. Because we clone all the data from your original module, the replacement BCM will recognize your existing keys. No key reprogramming is necessary.
Is this a guaranteed fix for my car’s problems?
This service corrects issues caused by a faulty BCM. While the symptoms listed are very common for BCM failure, it’s essential to have your vehicle properly diagnosed by a professional to confirm the BCM is the root cause before ordering.
What is the turnaround time?
We typically program and ship your replacement module within 1-2 business days of receiving your original BCM. We will send you tracking information as soon as it ships.
Do I need to send my old part back after installation?
No, there is no core charge or requirement to return your old module after you’ve installed the new one. You only need to send it to us initially for the data cloning service.