Restore Your Vehicle’s Brain and End Electrical Frustration
Are you chasing electrical gremlins in your Buick, Chevy, or Cadillac? Flickering lights, a key fob that works intermittently, power windows with a mind of their own, or strange warning messages on the dash are classic signs of a failing Body Control Module (BCM). As the central command center for your car’s comfort and security features, a faulty BCM can make your daily drive incredibly frustrating. In my 20+ years as a technician, I’ve seen these issues send drivers on endless, expensive diagnostic journeys. The problem is often the BCM, but the solution isn’t just swapping the part—it’s ensuring the replacement is correctly programmed to your specific vehicle.
That’s where our service provides a definitive fix. We take the guesswork and high dealership costs out of the equation. This isn’t just a part in a box; it’s a comprehensive solution. You send us your original BCM, and we perform a professional data transfer, cloning all essential information—like VIN, security settings, and option configurations—onto a fully tested replacement module. We then ship the ready-to-install BCM back to you. This process makes the 2014-2016 LaCrosse BCM replacement a simple, plug-and-play procedure, getting you back on the road without needing a tow to the dealer or paying for expensive programming sessions.
From the Diagnostic Bay: The Malibu with a Mind of Its Own
I remember a 2015 Malibu that came into the shop with a list of symptoms that sounded like the car was haunted. The radio would turn on by itself, the dome light would flicker while driving, and the remote start would fail half the time. The owner had already replaced the battery and checked all the fuses. After connecting my scan tool, I saw several ‘U’ codes, specifically a U0140, indicating a loss of communication with the Body Control Module. Instead of sending him to the dealership for a new BCM and a hefty programming bill, we offered our cloning service. We transferred the data from his failing BCM to our replacement unit. He installed it himself in his driveway in under an hour. The ‘haunting’ stopped immediately. Every function returned to normal, saving him hundreds of dollars and a major headache.
Is Your GM Vehicle Showing These BCM Failure Signs?
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ The security system or alarm activates randomly.
- ✔ Key fobs or remote start suddenly stop working reliably.
- ✔ Interior or exterior lights flicker, stay on, or won’t turn on at all.
- ✔ Dashboard warning lights (like ABS or Airbag) appear without a clear cause.
- ✔ Diagnostic trouble codes (DTCs) related to communication errors, such as U0140, U0155, or B1001.
- ✔ A no-start condition where the engine cranks but won’t fire up due to security system confusion.
Your Straightforward BCM Installation Guide
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate Your BCM: Find the original BCM. Its location varies by model (e.g., LH kick panel in a LaCrosse, RH dash in a Camaro). Refer to the fitment list below for common locations.
- ✔ Remove the Old Module: Carefully unplug the wiring harness connectors. They have locking tabs that need to be pressed or lifted. Once disconnected, unbolt the module from its mounting bracket.
- ✔ Ship Us Your Module: After purchase, we will contact you with simple instructions for shipping your original BCM to our facility. Please ensure your contact information is correct at checkout.
- ✔ Post-Installation Checks: In some cases, a relearn procedure may be needed. If the airbag light is on, an “Airbag System Sync” may be required. Similarly, a “Brake Pedal Position Relearn” might be necessary for proper traction control function. These procedures require a professional scan tool.
Verified Fitment for Your Vehicle
This service is compatible with BCMs bearing part numbers 13580698, 13578458, 13589115, 13589637, 13590173, 13590851, 13591300, 13592376, 13593775, 13593776, or 13594564. It fits the following models:
- 2014-2016 Buick LaCrosse: Body Control (BCM); (LH kick panel)
- 2014-2017 Buick Regal: Body Control (BCM); (LH dash)
- 2014-2015 Chevrolet Malibu: Body Control (BCM); (LH kick panel)
- 2016 Chevrolet Malibu Limited: Body Control (BCM); VIN 1 (4th digit), (LH kick panel)
- 2014-2015 Chevrolet Volt: Body Control (BCM); (RH engine compartment)
- 2014-2015 Chevrolet Camaro: Body Control (BCM); (RH dash)
- 2014-2016 Cadillac SRX: Body Control (BCM); (LH dash)
- 2014-2016 Cadillac ELR: Body Control (BCM); (RH cowl) or Communication; (RH engine compartment)
- 2014-2016 Chevrolet Spark EV: Body Control (BCM); (left lower a-pillar), electric model
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Your Questions Answered for This 2014-2016 LaCrosse BCM Service
Frequently Asked Questions
Why do I need to send you my original BCM?
Your original BCM contains unique data for your car’s VIN, mileage, security system (key fobs), and specific options. By cloning this data to the replacement module, we ensure it’s a 100% plug-and-play part, eliminating the need for expensive and complicated dealership programming.
Is this service difficult? What’s the process?
The process is simple. After you place your order, we will email you with instructions and our shipping address. You mail us your original BCM. Once we receive it, we perform the cloning service and ship the programmed replacement back to you, typically within 1-2 business days. We’ll send you a tracking number once it’s on its way.
Do I have to pay a core charge?
No. There is no core charge for this service. You can keep your original, non-working module once our service is complete.
What if my airbag light comes on after installation?
This can happen occasionally as the BCM communicates with the airbag system (SDM). If the light is on, a simple ‘Setup SDM Primary Key in BCM’ procedure will need to be performed with a professional-grade scan tool to sync the two modules and turn off the light.
Can I drive my car without the BCM?
No, the vehicle will not start or run without the Body Control Module installed, as it is a critical part of the vehicle’s security and electrical network.
Will my original keys and remotes work?
Yes. Because we are cloning your original module’s data, all of your existing keys and key fobs will work immediately upon installation, with no additional programming required.