Restore Full Electrical Function to Your GM Vehicle
Is your 2011-2012 Buick LaCrosse, Chevy Volt, or Cadillac SRX suffering from baffling electrical issues? Problems like flickering lights, malfunctioning power windows, a dead instrument cluster, or a security system that prevents your car from starting are often caused by a failing Body Control Module (BCM). The BCM acts as the central command center for your vehicle’s body electronics, and when it fails, it can create a cascade of frustrating and seemingly unrelated problems. This listing offers a straightforward, reliable solution: a replacement BCM programmed specifically for your vehicle, eliminating the need for expensive dealership programming.
From the Diagnostic Bay
We had a 2011 Buick LaCrosse come in that was driving the owner crazy. The radio would turn on by itself, the dome light would flicker while driving, and occasionally, the car wouldn’t start, showing a “Service Theft Deterrent System” message. The owner had already replaced the battery and checked the alternator. After hours of chasing wires, we isolated the issue to the BCM. It was failing internally, sending phantom signals throughout the car’s network. By cloning his original module to one of our tested units, we restored all functions perfectly. It’s a classic case of how a single failing module can create a cascade of confusing electrical problems.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-working power windows, door locks, or interior lights.
- ✔ Erratic instrument cluster behavior, with gauges dropping out or warning lights flashing unexpectedly.
- ✔ The security system acting up, preventing the car from starting (Service Theft Deterrent System message).
- ✔ Headlights, taillights, or turn signals not functioning correctly or staying on.
- ✔ Communication errors with other modules when scanned with a professional diagnostic tool (U-codes).
- ✔ Unexplained battery drain that leaves you with a dead battery, even after replacing it.
- ✔ Horn honking randomly or not working at all.
The Simple, Plug-and-Play Solution for Your 2011-2012 LaCrosse BCM
Replacing a BCM isn’t as simple as swapping the part. A new module from the dealership is a blank slate and must be programmed with expensive, specialized tools to recognize your vehicle’s VIN, security information, and specific options. Our professional cloning service bypasses this entire process. We transfer the critical data from your original, failing BCM directly onto this replacement unit. The result is a module that is 100% plug-and-play. No additional programming or calibration is required for the BCM itself.
How Our Programming Service Works:
- ✔ Place Your Order: Complete your purchase through our secure checkout.
- ✔ Receive Instructions: We will contact you via email with detailed instructions on how and where to ship your original BCM. Please ensure your contact information is accurate.
- ✔ We Program Your Part: Once we receive your module, our technicians will perform a full data transfer to the replacement unit, typically within one business day.
- ✔ Receive Your Ready-to-Install BCM: We ship the programmed module back to you with tracking information. Simply install it, and you’re back on the road!
Important Post-Installation Information
While the BCM itself is plug-and-play, modern vehicles have interconnected systems. In some cases, you may need to perform simple relearn procedures after installation:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a “Setup SDM Primary Key in BCM” procedure is necessary. This syncs the new BCM with the airbag module and requires a professional-grade scan tool. This is only needed if the light appears.
- Brake Pedal Position Relearn: To ensure proper brake light and traction control function, a brake pedal position sensor recalibration may be required. This can also be performed with a compatible diagnostic tool.
Guaranteed Fitment for Multiple Models and Part Numbers
This BCM is a direct replacement for a wide range of GM vehicles. Please verify that your original module’s part number is on this list. This unit is compatible with the following part numbers: 13579004, 13580198, 13582396, 13583450, 13586856, 13582688, 13586278, 13501737, 13501739, 13577924, 13580773, and 13583451.
It is known to fit the following vehicles, among others:
- 2011-2012 Buick LaCrosse
- 2011-2013 Chevrolet Volt
- 2011-2012 Cadillac SRX
- 2011 Chevrolet Equinox
- 2011 GMC Terrain
- 2011 Chevrolet Camaro
- 2012 Chevrolet Cruze
- 2012 Chevrolet Orlando
- 2011 Buick Regal
Don’t let electrical gremlins keep your car off the road. This service is the most efficient and cost-effective way to solve your BCM problems and restore your vehicle to its proper working condition.
Frequently Asked Questions
What is a BCM cloning service?
Cloning is the process of transferring the unique, vehicle-specific data—like the VIN, key codes, and optional features—from your original BCM to a replacement unit. This makes the replacement module an exact electronic match for your car, allowing it to work immediately upon installation without dealer programming.
Why is this better than buying a new BCM from a dealer?
This service saves you significant time and money. A new dealer BCM is expensive, and you will also have to pay for labor to install it and then program it to your vehicle. Our service provides a pre-programmed module that is ready for installation right out of the box.
How long does the process take?
Once we receive your original BCM, our programming service is typically completed within 1-2 business days. We then ship the replacement module back to you.
What if my original BCM is completely dead or water damaged?
In many cases, even if the BCM isn’t functioning in the vehicle, we can still extract the necessary data from the memory chip. If you suspect severe damage, please contact us before purchasing to discuss the situation.
Where is the BCM located on my 2011-2012 LaCrosse?
On the 2011-2012 Buick LaCrosse, the Body Control Module is typically located behind the driver’s side left-hand kick panel, near the fuse box. Always disconnect the battery before attempting removal or installation.