Restore Your Vehicle’s Functionality with a Pre-Programmed BCM
Are you dealing with baffling electrical issues in your 2010-2011 GMC Terrain or other compatible GM vehicle? Symptoms like flickering interior lights, unresponsive power windows and locks, or a security light that prevents your car from starting are classic signs of a failing Body Control Module (BCM). It’s the electronic nerve center for your vehicle’s comfort and convenience features, and when it fails, it can make your daily drive a nightmare. This isn’t just an inconvenience; it can affect safety systems like your lights and security. We offer a reliable, straightforward solution to get you back on the road with confidence.
Case Study: A Tricky Diagnosis
A customer brought in a 2011 Equinox (which uses the same BCM family) with a complaint that stumped two other shops: the radio would turn on by itself, the dome lights would stay on, and occasionally, it wouldn’t crank. There were no engine codes, just a slew of U-codes (communication errors) when I scanned it. In my 20+ years of experience, intermittent communication loss between modules almost always points back to a central hub—in this case, the BCM. We confirmed the BCM was failing by monitoring its data stream, which would drop out randomly. By providing a cloned 2010-2011 Terrain BCM, we solved all the issues in one go, saving the customer from replacing unnecessary parts.
How Our Simple Mail-In Programming Service Works
Forget expensive dealership visits and complex programming tools. Our service is designed to be the easiest fix possible. We transfer the critical data from your original BCM directly onto this replacement unit. This cloning process ensures that the replacement module is a perfect electronic match for your vehicle’s specific configuration, including the VIN and anti-theft information. When you receive it back, it’s ready for installation right out of the box—no further programming required.
- Purchase this service: Complete your order online.
- We’ll Contact You: We will reach out with simple instructions for shipping your original BCM to our facility. Please ensure your contact information is accurate at checkout.
- Ship Us Your Module: Send your original BCM to us.
- We Program & Return: Upon receipt, we’ll clone the data to the replacement module and ship it back to you, typically within 1-2 business days. We’ll provide tracking information so you know exactly when it’s coming.
Is Your Vehicle Showing These Common BCM Failure Signs?
A failing BCM can cause a wide range of strange symptoms. If you’re experiencing any of the following, there’s a strong chance your BCM is the culprit:
- ✔ Power windows, door locks, or mirrors not working or operating erratically.
- ✔ Interior or exterior lights flickering, staying on, or not turning on at all.
- ✔ The security system light is illuminated, and the vehicle won’t start (no-crank condition).
- ✔ Inconsistent or non-functional windshield wipers.
- ✔ Diagnostic trouble codes (DTCs) related to communication, such as U0140, U0155, or other U-codes.
- ✔ The horn honking unexpectedly or not working at all.
Your Straightforward BCM Installation Guide
Installing your newly programmed 2010-2011 Terrain BCM is a manageable job for a DIYer with basic tools. The BCM is typically located on the left (driver’s) side of the dashboard or in the driver’s side kick panel.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before beginning work.
- Locate the BCM: On the GMC Terrain and Chevy Equinox, it’s found on the driver’s side of the dash, often accessible after removing the lower dash panel. For other models like the Cruze, it’s in the LH kick panel.
- Disconnect and Remove: Carefully 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 BCM: Mount the replacement module in the same location and securely reconnect all electrical connectors. You should hear a ‘click’ as they lock into place.
- Reconnect Power: Reattach the negative battery terminal.
- Test Functionality: Start the vehicle and test all the functions that were previously malfunctioning (windows, locks, lights, etc.) to confirm the repair.
Important Post-Installation Notes
While our cloning makes this a plug-and-play repair, some GM vehicles may require a simple relearn procedure. Please be aware of the following:
- 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 new BCM with the airbag system. This is only necessary if the light appears.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be needed to ensure correct brake light operation and traction control performance.
Disclaimer: Vehicle systems vary. Always consult a factory service manual or a qualified technician if you are unsure about any step.
Verified Vehicle Compatibility
This service and part are compatible with a range of GM vehicles and part numbers. Please match your vehicle and part number below. This module is a direct replacement for part numbers: 13577850, 13505326, 13500384, 13574844, 13504004, 13504494, and 13578420.
- Buick Regal: 2011 (Body Control, LH dash, w/o opt AUA)
- Cadillac SRX: 2010 (Body Control, LH dash)
- Chevrolet Cruze: 2011-2013 (Body Control, LH kick panel)
- Chevrolet Equinox: 2010 (Body Control, LH side dash)
- GMC Terrain: 2010 (Body Control, LH side dash)
- GMC Terrain: 2011 (Body Control, LH side dash, with ID 13500384, 13504004, 13504494, 13505326, 13574844, or 13578420)
Frequently Asked Questions
What does ‘cloning’ my BCM mean?
Cloning is the process of reading the unique, vehicle-specific software from your original BCM—including the VIN, mileage, and security keys—and writing it directly onto the replacement module. This makes the new part an exact electronic copy, ensuring it works perfectly without any additional programming.
Why is this better than buying a BCM from a dealership?
Our service saves you significant time and money. A dealership will sell you a blank module and then charge a separate, often costly, fee for programming. Our solution arrives at your door ready to install, eliminating the need for a trip to the dealer and their programming expenses.
Do I need any special tools to install this?
No special programming tools are required. Installation typically only requires basic hand tools like a socket set and a trim removal tool to access the BCM’s location in the dashboard.
Where is the BCM located on my 2010-2011 Terrain?
On the 2010-2011 GMC Terrain and Chevrolet Equinox, the Body Control Module is located behind the lower dashboard panel on the driver’s side, near the steering column.
What if my airbag light comes on after I install it?
This is uncommon, but if it happens, it means the BCM needs to be synced with the airbag module (SDM). A repair shop with a professional-grade scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure quickly to resolve this.
Is there a core charge or do I need to return my old part?
You must send your original BCM to us for the cloning service, but there is no separate core charge. Once we program the replacement, you can keep your original, non-functional module.