Restore Your Vehicle’s Electrical System with a Hassle-Free Solution
Are you battling bizarre electrical issues in your Buick LaCrosse, Malibu, or other compatible GM vehicle? Flickering dashboard lights, unresponsive power windows, random security alerts, or a car that refuses to start can all point to a single, frustrating culprit: a failing Body Control Module (BCM). As the central computer for your car’s comfort and convenience features, a faulty BCM can turn your daily drive into a guessing game. Dealerships often quote staggering prices for a new module plus mandatory programming fees. We offer a smarter, more affordable path forward.
This is not just a replacement part; it’s a complete, plug-and-play repair service. We provide a fully tested replacement BCM that is professionally programmed with your vehicle’s exact data. By cloning the information from your original module, we eliminate the need for any additional on-car programming. This means no expensive trips to the dealer, no special scan tools required for setup, and no compatibility headaches. You get a reliable part that’s ready for installation right out of the box.
Is Your Vehicle Showing These Symptoms?
- ✔ Intermittent or non-working power windows, door locks, or interior lights.
- ✔ The security or anti-theft system light stays on, preventing the car from starting.
- ✔ Dashboard warning lights illuminate for no apparent reason.
- ✔ Communication error codes, such as U0100, U0140, or other U-series codes, are stored in the system.
- ✔ Horn, wipers, or turn signals operate erratically or not at all.
- ✔ In my 20+ years of experience, water intrusion from a leaky cowl or windshield is a leading cause of BCM failure on these platforms. Check for dampness in the kick panel area.
A Technician’s Notebook: 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 go down, and the key fob only worked when it wanted to. The dash was lit up like a Christmas tree. Initial scans showed a dozen communication codes pointing in every direction. Instead of chasing each ghost, I went straight to the network’s hub: the BCM. After confirming power and ground, I knew the module itself was internally fried. Instead of a costly new BCM and hours of programming, we used this exact cloning service. The customer mailed in their old module, we sent back the programmed replacement, and installation took 30 minutes. All problems were solved instantly. It’s the most efficient repair for these complex failures.
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait 10-15 minutes for the system capacitors to discharge before beginning work.
- ✔ Locate Your BCM: The module’s location varies by model. For the LaCrosse, it’s typically behind the driver’s side (LH) kick panel. For other models like the Volt or ELR, it may be in the engine compartment or under the dash. Consult your vehicle’s service manual for the exact location.
- ✔ Remove the Old Module: Carefully unplug the electrical connectors. Most have a locking tab that needs to be depressed or a lever that needs to be swung over. Once disconnected, unbolt the module from its mounting bracket.
- ✔ Install the New Module: Seat the programmed replacement BCM onto the mounting bracket and secure it. Reconnect all electrical connectors firmly, ensuring they click into place.
- ✔ Reconnect and Test: Reattach the negative battery terminal. Turn the key to the ‘ON’ position and test all functions: windows, locks, lights, wipers, and radio. Start the vehicle to ensure it runs correctly.
Important Post-Installation Checks
In most cases, this module is a true plug-and-play solution. However, due to the complex integration of modern vehicle systems, a couple of minor relearn procedures may be necessary in specific situations:
- 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 new BCM with the airbag system.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be required to ensure your brake lights and traction control system function properly.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a qualified technician if you are unsure about any step.
Will This Fit My Vehicle?
This service is compatible with a BCM matching part number 13580698 or any of the interchangeable part numbers listed below. Please verify the part number on your original module before ordering.
Interchangeable Part Numbers: 13578458, 13589115, 13589637, 13590173, 13590851, 13591300, 13592376, 13593775, 13593776, 13594564
Known Fitment:
- 2016 Buick LaCrosse (ID 13580698 or 13594564)
- 2014-2015 Buick LaCrosse
- 2014-2015 Chevrolet Malibu
- 2016 Chevrolet Malibu (VIN 1, Limited)
- 2014-2015 Chevrolet Volt
- 2014-2016 Cadillac ELR
- 2014-2017 Buick Regal
- 2014-2015 Chevrolet Camaro
- 2014-2016 Cadillac SRX
- 2014-2016 Chevrolet Spark (EV Model)
Frequently Asked Questions
How does the mail-in programming service work?
After you place your order, we will contact you with detailed instructions and a shipping address. You simply mail your original BCM to us. Once we receive it, we will clone all the necessary data to the replacement module and ship it back to you, typically within 1-2 business days.
Do I need to program this LaCrosse Body Control Module after I receive it?
No. Our cloning service makes this a true plug-and-play part. All the programming is done here before we ship it to you. Just install it and you’re ready to go.
Is there a core charge or do I need to send my old part back?
You must send your original module to us for the cloning service. However, there is no separate core charge, and we will return your original module with the newly programmed one if you request it.
Will this fix my specific problem?
This module will correct issues directly caused by a faulty BCM. If you are experiencing any of the symptoms listed above, there is a very high probability this will solve the problem. Proper diagnosis is always recommended.
What tools are needed for the post-installation procedures?
The Airbag System Sync and Brake Pedal Position Relearn, if required, must be performed with a professional-grade bidirectional scan tool (like a Snap-on, Autel, or GM Tech2). Most DIY code readers cannot perform these specific functions.