Tired of Unpredictable Electrical Problems in Your GM Vehicle?
Are you dealing with flickering dashboard lights, power windows with a mind of their own, or a security system that randomly prevents your car from starting? These frustrating and often misdiagnosed issues frequently point to a failing Body Control Module (BCM). As the central computer for your car’s comfort and convenience features, a faulty BCM can create chaos. This listing offers a reliable, straightforward solution: a professionally programmed 2011-2012 LaCrosse BCM that gets you back on the road without the high costs and hassle of a dealership visit.
Our unique cloning service makes this repair accessible to everyone. Simply send us your original BCM, and our expert technicians will transfer all the critical vehicle-specific data—like key programming and security information—to this fully tested replacement unit. We then ship it back to you, ready for a true plug-and-play installation. No additional programming, no complex procedures, just a simple swap to restore your vehicle’s proper function.
A Technician’s Notebook: The Case of the Spooked LaCrosse
A customer brought in a 2011 LaCrosse with a list of bizarre symptoms: the radio would turn on and off, the interior lights would pulse, and occasionally, the car wouldn’t recognize the key fob. They had already replaced the battery and alternator with no success. After hooking up my diagnostic scanner, I saw multiple communication error codes (U-codes) pointing to the BCM. In my 20+ years of experience, I’ve seen hundreds of these BCMs fail internally, causing data corruption that disrupts the entire vehicle network. This pre-programmed module is the exact fix I’d use in my own bay to provide a permanent and cost-effective repair.
Is Your Vehicle Showing These BCM Failure Signs?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is likely the solution you need:
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or don’t work at all.
- ✔ The security or anti-theft system light is illuminated, preventing the car from starting.
- ✔ Inconsistent or failed key fob operation.
- ✔ Warning lights on the instrument cluster for systems like ABS, Airbag, or Traction Control.
- ✔ Diagnostic Trouble Codes (DTCs) related to network communication, such as U0100, U0140, or other U-series codes.
- ✔ Horn honking unexpectedly or not working when pressed.
Your Straightforward BCM Installation Guide
Installing your programmed BCM is a simple process. While the exact location varies by model (see fitment list), the general steps are consistent.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Locate the BCM: On a 2011-2012 LaCrosse, the BCM is typically found in the driver’s side (LH) kick panel area. For other models, consult your owner’s manual or our fitment list for its location.
- Remove Trim Panels: Carefully remove any plastic trim or kick 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 new, programmed BCM in the same location and reconnect all the electrical connectors, ensuring they click securely into place.
- Final Steps: Reinstall any trim panels you removed and reconnect the negative battery terminal. Start the vehicle to confirm that the issues are resolved.
Important Post-Installation Information
Because this module is cloned from your original, most vehicles will not require any additional steps. However, in some cases, a follow-up procedure may be needed:
- Airbag System Sync: If the airbag warning light is on after installation, a simple “Setup SDM Primary Key in BCM” procedure must be performed with a professional scan tool to sync the systems.
- Brake Pedal Position Relearn: On certain models, a brake pedal position sensor relearn might be necessary to ensure correct brake light and traction control operation.
Disclaimer: Vehicle systems vary. Always consult a factory service manual or a qualified professional if you are unsure about any step.
Will This Fit My Vehicle?
This BCM programming service is a confirmed solution for a wide range of GM vehicles and part numbers. Please verify your part number is on this list or that your vehicle is listed below. This module is a direct replacement for part numbers: 13579004, 13580198, 13582396, 13583450, 13586856, 13582688, 13586278, 13501737, 13501739, 13577924, 13580773, 13583451.
- Buick LaCrosse: 2011, 2012
- Buick Regal: 2011
- Cadillac SRX: 2011, 2012
- Chevrolet Camaro: 2011 (Convertible)
- Chevrolet Cruze: 2012
- Chevrolet Equinox: 2011
- Chevrolet Orlando: 2012
- Chevrolet Volt: 2011, 2013
- GMC Terrain: 2011
Frequently Asked Questions
How does the cloning service work?
After you purchase, we will provide you with instructions to ship your original BCM to us. Our technicians will extract the unique programming and security data and flash it onto the replacement module. We then ship the plug-and-play replacement back to you.
Do I need to send my keys or any other parts?
No, we only need your original Body Control Module. Since we are cloning the data, all of your existing keys will work seamlessly with the replacement module upon installation.
Is this a guaranteed fix for my 2011-2012 LaCrosse BCM problems?
If your vehicle’s symptoms match those of a failed BCM and proper diagnosis has been performed, this service is a highly reliable and effective solution. It restores the module to its original factory operation.
What is the turnaround time?
We typically program and ship the 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 have to pay a core charge or return my old BCM?
There is no core charge for this service. After we clone the data from your original module, you are free to keep it.
What if my airbag light comes on after installation?
This is uncommon but can happen. It simply means the new BCM needs to be electronically introduced to the airbag module (SDM). A mechanic with a professional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to resolve this.