End the Electrical Gremlins in Your GM Vehicle
Is your car acting possessed? Flickering lights, malfunctioning power windows, a security system that randomly engages, or worse, a no-start condition? These aren’t just annoyances; they’re classic signs of a failing Body Control Module (BCM). As the central nervous system for your vehicle’s comfort and convenience features, a faulty BCM can create a cascade of frustrating and unpredictable problems. This isn’t a part you can ignore. We offer a reliable, straightforward solution to restore full functionality to your vehicle without the excessive costs and scheduling headaches of a dealership visit.
From the Diagnostic Bay: The Case of the Confused Volt
I remember a 2011 Chevy Volt that came into my shop with a laundry list of bizarre symptoms. The owner reported the radio would turn off, the driver’s side window wouldn’t go down, and the dome light would stay on intermittently. He’d already replaced the battery, thinking it was a simple voltage issue. After connecting my scan tool, I found a series of U-codes (communication errors) between various modules. The common link? They all routed through the BCM. Instead of a dozen separate problems, it was one failing component causing system-wide chaos. By cloning the original BCM data to a quality replacement, we solved every single issue in one go. This is a perfect example of how a failing 2011 Volt BCM can mimic multiple other failures.
How Our Simple Cloning Service Works
Forget about towing your car to the dealer and paying for hours of programming labor. Our service is designed to be simple and effective. We transfer the unique, vehicle-specific data from your original BCM directly onto this replacement module. This makes the replacement unit a true plug-and-play part, pre-configured for your exact vehicle’s VIN, mileage, and options.
- You purchase this BCM service.
- We will contact you with clear, simple instructions for shipping your original BCM to our facility.
- Once we receive your module, our expert technicians will perform a full data transfer to the new unit.
- We ship your newly programmed BCM back to you, typically within 24-48 hours, and provide you with tracking information.
Common Signs of a Failing GM BCM
If you’re experiencing any of the following, a faulty BCM is the likely culprit. In my 20+ years of experience, these are the most frequent indicators I see in the shop.
- ✔ Erratic or non-functional interior and exterior lights (headlights, dome lights, dash lights).
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ Vehicle security system faults or alarm sounding for no reason.
- ✔ Wipers turning on by themselves or not working when commanded.
- ✔ A/C and heater control problems.
- ✔ Instrument cluster displaying incorrect information or warning lights.
- ✔ Communication error codes (often U-codes like U0140, U0155) stored in the system.
- ✔ A no-start or no-crank condition where the engine doesn’t even try to turn over.
Your Straightforward BCM Installation Guide
Installing your pre-programmed 2011 Volt BCM is a manageable task for a confident DIYer or any professional mechanic. For the 2011 Volt, the BCM is typically located in the right-hand (passenger) side of the engine compartment.
- Safety First: Always disconnect the negative terminal from your vehicle’s 12V battery and secure it away from the post to prevent any accidental reconnection.
- Locate the BCM: On the Volt, find the BCM in the engine bay. On other models, it may be in the driver’s or passenger’s kick panel or under the dash. Refer to a service manual if you are unsure.
- Disconnect and Remove: 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 new, programmed BCM onto the mounting bracket and secure it. Reconnect all electrical connectors firmly until they click into place.
- Reconnect Power: Reattach the negative battery terminal.
- Perform Final Checks: Start the vehicle and test all body functions—lights, windows, locks, wipers, etc. Note that some post-install procedures may be necessary (see below).
Important Post-Installation Notes
While our cloning service makes this a plug-and-play repair, some vehicle systems may require a quick resynchronization procedure after the BCM is replaced. This is normal.
- 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 might be required to ensure your brake lights and traction control system function correctly.
Disclaimer: Vehicle systems vary. Always consult a factory service manual or a qualified technician for procedures specific to your vehicle.
Verified Vehicle Compatibility
This BCM is a direct replacement for a wide range of General Motors vehicles. Please verify that your vehicle and original BCM part number are on this list. This module fits part numbers: 13579004, 13580198, 13582396, 13583450, 13586856, 13582688, 13586278, 13501737, 13501739, 13577924, 13580773, and 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
Why do I need to send my original BCM to you?
Your original BCM contains vital security and options data specific to your car’s VIN. By cloning this data to the replacement module, we make it a true plug-and-play part, saving you from expensive dealership programming and key relearning procedures.
Is this a difficult part to install myself?
For someone with basic mechanical skills, it’s very manageable. The main task is locating the module and carefully swapping the electrical connectors. Our installation guide provides the key steps. The most important part is our programming service, which handles the complex part for you.
What happens if the airbag light is on after I install it?
This is a possibility and is not a sign of a defective part. It simply means the new BCM needs to be electronically ‘introduced’ to the airbag module. This requires a ‘Setup SDM Primary Key’ procedure with a bi-directional scan tool, which any competent repair shop can perform quickly.
Do I have to pay a core charge or send the old part back after?
No. We require your original module upfront to perform the cloning service. Once the service is complete, you can keep your original, non-functional module. There are no core charges or returns necessary.
How long does the programming service take?
We pride ourselves on a fast turnaround. Once we receive your original BCM, the cloning and processing are typically completed within one to two business days. We then ship the programmed module back to you immediately.