Restore Your Vehicle’s Electrical Stability and End Frustrating Glitches
Are you chasing electrical gremlins in your Buick LaCrosse or other GM vehicle? One minute the power locks work, the next they don’t. The interior lights flicker randomly, or a ‘Service Theft System’ message appears for no reason. As a technician with over 20 years of experience, I’ve seen these exact issues hundreds of times. The culprit is almost always a failing Body Control Module (BCM). The BCM is the central command center for your car’s body electronics, and when it starts to fail, it creates a cascade of bizarre, unrelated problems that can be a nightmare to diagnose.
Forget the dealership’s high costs and complex scheduling. We offer a straightforward, reliable solution. This is a replacement BCM that comes programmed specifically for your vehicle. How? Simply purchase this module, and we’ll contact you with instructions to mail your original BCM to us. Our experts will then clone all the critical dataāincluding key programming and vehicle-specific optionsāonto this replacement unit. We ship it back to you ready for a true plug-and-play installation. No expensive scan tools, no programming fees, and no hassle. It’s the most efficient way to get your car back to 100%.
A Technician’s Notebook: The Haunted Malibu
A customer brought in a 2015 Malibu with a list of complaints that seemed impossible. The radio would change stations on its own, the dome light would stay on draining the battery, and the remote start worked only intermittently. They had already replaced the battery and checked all the fuses. After connecting my diagnostic tool, I saw a dozen communication error codes (U-codes) pointing to a network failure. Instead of chasing each individual symptom, experience told me to look at the network’s hub: the BCM. A faulty BCM was corrupting data packets across the car’s network, causing all these phantom issues. A programmed replacement BCM solved every single problem at once. This is a classic BCM failure scenario.
Is Your Vehicle Showing These Symptoms?
- ā Power windows, mirrors, or door locks operating erratically or not at all.
- ā Interior or exterior lights flickering, staying on, or not turning on.
- ā The security system acting up, causing false alarms or no-start conditions.
- ā Unexplained battery drain that leaves you stranded.
- ā Warning lights on the dash for systems like ABS, Traction Control, or Airbags.
- ā Communication error codes (e.g., U0100, U0140) stored in other modules.
- ā Remote key fob not working reliably.
Your Straightforward BCM Installation Guide
- ā Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ā Locate Your BCM: The location varies by model (see fitment list below). For the 2014-2016 LaCrosse, it’s typically behind the driver’s side (LH) kick panel.
- ā Remove the Old Module: Carefully unplug all electrical connectors. They have locking tabs, so be gentle. Then, unbolt or unclip the module from its mounting bracket.
- ā Install the New Module: Mount your new, pre-programmed BCM in the same location. Securely reconnect all electrical connectors, ensuring they click into place.
- ā Reconnect the Battery: Reattach the negative battery terminal.
- ā Test All Functions: Start the vehicle and test all body functions: lights, locks, windows, radio, etc., to confirm the repair is successful.
Important Post-Installation Information
While our programming service makes this a plug-and-play repair, some vehicle systems may require a ‘handshake’ with the new BCM. Please be aware of the following potential procedures:
- 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 brake lights and stability control systems function correctly.
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Will This Fit My Vehicle?
This module is a direct replacement for part number 13593775 and is interchangeable with the following part numbers: 13580698, 13578458, 13589115, 13589637, 13590173, 13590851, 13591300, 13592376, 13593776, and 13594564. It is verified to fit the following vehicles:
- Buick LaCrosse: 2014-2015 (LH kick panel), 2016 (LH kick panel, ID 13580698 or 13594564)
- Buick Regal: 2014-2017 (LH dash)
- Cadillac ELR: 2014-2016 (RH cowl), 2016 (Communication; RH engine compartment)
- Cadillac SRX: 2014-2016 (LH dash)
- Chevrolet Camaro: 2014 (Conv, RH dash), 2015 (RH dash)
- Chevrolet Malibu: 2014-2015 (LH kick panel), 2016 (VIN 1, Limited, LH kick panel)
- Chevrolet Spark: 2014-2016 (Electric model EV, left lower a-pillar)
- Chevrolet Volt: 2014-2015 (RH engine compartment)
Frequently Asked Questions
Frequently Asked Questions
How does the programming service work?
After you place your order, we will provide you with a shipping address and instructions. You send us your original BCM. We then transfer its exact data to the replacement BCM and ship it back to you, usually within 1-2 business days of receiving your original module.
Is this truly plug-and-play?
Yes, for 99% of installations. Because we clone your original module’s data, the replacement BCM already has your vehicle’s VIN, key information, and specific options. This eliminates the need for dealer programming. In rare cases, a simple relearn procedure like for the brake pedal sensor might be needed.
Do I need to send my keys with the module?
No, you do not need to send your keys. All the necessary security information is stored within the BCM itself, and we transfer that data directly. Your existing keys will work seamlessly with the new module.
What if my original BCM is completely dead or not communicating?
In most cases, even if the BCM has failed, we can still extract the necessary data. If your module is severely damaged (e.g., by fire or water), please contact us before ordering so we can discuss options.
Is there a core charge?
No, there is no core charge for this item. You are welcome to keep your original module after our programming service is complete.