Tired of Your Terrain’s Electrical Gremlins?
As a technician with over two decades of experience, I’ve seen it all. Flickering dashboard lights, power windows with a mind of their own, a radio that cuts out randomly, or a security light that won’t turn off. These aren’t just annoyances; they’re classic signs of a failing Body Control Module (BCM). Your 2011 GMC Terrain’s BCM is the central command for its body electronics, and when it starts to fail, it can cause a cascade of frustrating and unpredictable problems. Driving a vehicle you can’t trust is stressful, but the fix doesn’t have to be a complicated, expensive trip to the dealership.
This is a direct-fit replacement Body Control Module, part number 13582396, for your 2011 GMC Terrain. The best part? We handle the complex programming for you. This isn’t just a part in a box; it’s a comprehensive solution. By using our simple mail-in cloning service, we transfer all the critical data—including VIN, mileage, and key information—from your original BCM to this replacement unit. When you get it back, it’s ready to install without needing a dealer’s expensive diagnostic tool. You get a reliable fix that restores your vehicle’s functionality and your peace of mind.
From the Diagnostic Bay: The Case of the Haunted Equinox
A customer brought in a 2011 Equinox (which shares its platform with the Terrain) with a list of problems that sounded like something out of a ghost story. The horn would honk when turning, the interior lights would pulse, and the car wouldn’t start intermittently. They had already replaced the battery and checked the alternator. After hooking up my scan tool, I saw a storm of U-codes (communication loss) pointing to the BCM. Instead of a costly new module and hours of programming, we used a cloned unit. The customer sent us their old BCM, we transferred the data, and they installed the replacement in under 30 minutes. All the phantom issues vanished. It’s a common failure, and this service is the most efficient fix I’ve found.
Is Your Vehicle Showing These Symptoms?
- ✔ Intermittent or non-functional power windows, locks, or mirrors.
- ✔ Dashboard lights flickering or warning lamps staying on (ABS, Airbag, Security).
- ✔ Radio or infotainment system turning on and off by itself.
- ✔ Key fob not working correctly or vehicle not recognizing the key.
- ✔ Unpredictable no-start conditions where the engine cranks but won’t fire up.
- ✔ Diagnostic Trouble Codes (DTCs) related to communication loss, such as U0140, U0155, or other U-codes.
A Straightforward Guide to Installation
- ✔ Safety First: Before you begin, disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate the BCM: On your 2011 Terrain, the Body Control Module is typically located on the left (driver’s) side of the dash, often behind the lower trim panel or kick panel.
- ✔ Remove Connectors: Carefully unplug all the electrical connectors from the original BCM. Each connector has a locking tab that needs to be depressed or pulled to release it. Do not force them.
- ✔ Swap the Modules: Unbolt or unclip the old BCM from its mounting bracket and remove it. Place your pre-programmed replacement module into the same position and secure it.
- ✔ Reconnect Everything: Plug all the electrical connectors firmly into the new BCM. You should hear or feel a click as they lock into place.
- ✔ Power Up: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and verify that your vehicle’s electronics are functioning correctly.
Important Post-Installation Notes: While our cloning service makes this a plug-and-play repair, some vehicle systems may require a ‘handshake’ with the new module. If your airbag light is on, a professional scan tool is needed for the ‘Setup SDM Primary Key in BCM’ procedure. Similarly, a Brake Pedal Position Relearn might be necessary for optimal traction control and brake light function. Always refer to a service manual for model-specific details.
Verified Vehicle Compatibility
This BCM is a guaranteed fit for a wide range of GM vehicles. Please verify that your vehicle and original part number are on this list. This module is a direct replacement for 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
How does the programming service work?
It’s simple. After you place your order, we will provide you with instructions to ship your original BCM to us. Once we receive it, our technicians will extract the necessary data and transfer it to the replacement module. We then ship the ready-to-install BCM back to you.
Is this really plug-and-play?
Yes, for 99% of functions. Because we clone your original data, you will not need to perform any programming yourself. In some rare cases, as noted, a relearn procedure for the airbag or brake pedal sensor may be needed with a scan tool if a warning light appears.
What if my original BCM is completely dead or water damaged?
In many cases, even if the BCM seems dead, we can still recover the necessary data. Please contact us before ordering if your module has severe physical or water damage so we can confirm the likelihood of a successful data transfer.
How long does the entire process take?
We typically program and ship the replacement module within 24-48 hours of receiving your original BCM. The total time will depend on shipping times to and from our facility. We always provide tracking information for the return shipment.
Do I need to send my keys with the BCM?
No, you do not need to send us your keys. All the necessary security information is stored within the BCM itself, which is what we transfer during the cloning process.
Is there a core charge?
No, there is no core charge for this part. You can keep your original module after you send it to us for the data transfer service.