Tired of Your Terrain’s Mysterious Electrical Problems?
Is your 2011 GMC Terrain acting like it’s haunted? Flickering dashboard lights, power windows with a mind of their own, or a security system that randomly prevents you from starting the engine are classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s comfort and convenience features, a faulty BCM can turn your daily drive into a frustrating guessing game. Forget expensive dealership diagnostics and programming fees; our plug-and-play solution is designed to get you back on the road with confidence and without the hassle.
This isn’t just a replacement part; it’s a complete service. We solve the biggest headache of BCM replacement: the programming. By sending us your original BCM, we perform a professional cloning service. We extract the unique data—your vehicle’s VIN, mileage, security information, and specific options—and flash it directly onto this replacement unit. The result? A BCM that is 100% plug-and-play, ready for installation right out of the box. No trips to the dealer, no special tools, no surprises.
From the Diagnostic Bay: The Case of the Erratic Equinox
A customer brought in an ’11 Equinox (which shares the same platform as the Terrain) with a laundry list of bizarre issues. The radio would turn on and off, the driver’s side window wouldn’t roll down, and the anti-theft light would flash intermittently, causing a no-start. They had already replaced the battery and checked fuses. After hooking up my scan tool, I saw a storm of communication errors (U-codes) pointing to the BCM. Instead of a costly new module and hours of programming, we used a cloning service just like this one. Once the cloned BCM was installed, every single electrical gremlin vanished. It’s a testament to how cloning is the most reliable and efficient fix for these complex modules.
Is Your Vehicle Showing These Symptoms?
- ✔ Unpredictable power door lock or window operation.
- ✔ Interior or exterior lights flickering, staying on, or not working at all.
- ✔ The security system light is on, or the vehicle won’t start (anti-theft active).
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Diagnostic trouble codes (DTCs) stored, especially communication codes like U0140, U0155, or B1001.
- ✔ Wipers activating on their own or not responding to the switch.
Your Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery and wait 10-15 minutes to allow all systems to power down.
- ✔ Locate the BCM: On the 2011 GMC Terrain, the Body Control Module is typically located on the left (driver’s) side of the dash, often behind the lower dash panel or kick panel.
- ✔ Remove the Old Module: Carefully disconnect the electrical connectors. Press the release tabs firmly and pull straight out to avoid damaging the pins. Then, unbolt the module from its mounting bracket.
- ✔ Install the New Module: Mount your pre-programmed BCM in place of the old one. Reconnect all electrical connectors, ensuring they click securely into place.
- ✔ Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘ON’ position and test all body functions—windows, locks, lights, wipers, and radio—to confirm proper operation.
A Note on Post-Installation Procedures
Because this module is cloned from your original, most vehicles will not require any additional steps. However, in some cases, you may need to perform a simple relearn procedure:
- Airbag System Sync: If your airbag warning light illuminates after installation, a technician will need to perform the ‘Setup SDM Primary Key in BCM’ procedure with a compatible scan tool.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be necessary to ensure correct brake light and traction control functionality.
Disclaimer: Always consult a factory service manual or a qualified technician if you are unsure about any part of the installation process.
Guaranteed Fitment for These Vehicles
This BCM is a direct replacement for part number 13501739 and is compatible with a wide range of GM vehicles. It also interchanges with part numbers: 13579004, 13580198, 13582396, 13583450, 13586856, 13582688, 13586278, 13501737, 13577924, 13580773, and 13583451. Please verify your part number before ordering.
- Buick LaCrosse: 2011, 2012
- Cadillac SRX: 2011, 2012
- Chevrolet Camaro: 2011 (Convertible)
- Chevrolet Cruze: 2012
- Chevrolet Equinox: 2011
- Chevrolet Orlando: 2012
- Chevrolet Volt: 2011, 2013
- GMC Terrain: 2011
- Buick Regal: 2011
Frequently Asked Questions
How does the cloning service work?
After you place your order, we’ll provide instructions for shipping your original BCM to us. Once we receive it, our technicians will transfer all its critical data to the replacement module. We then ship the plug-and-play replacement back to you, typically within 1-2 business days.
Is this a guaranteed fix for my vehicle?
This service corrects issues caused by a faulty BCM. If your vehicle has been properly diagnosed with a bad Body Control Module, this is the most reliable and cost-effective solution.
Do I need to send my keys with the module?
No, you do not need to send your keys. Our cloning process transfers the key data from your old BCM to the new one, so your existing keys will work perfectly.
What if I install it and my car still doesn’t start?
Since this is a cloned module, it will function exactly as your original did. If a no-start condition persists, it indicates the fault may lie with another component in the vehicle’s starting or security system, not the BCM itself.
Is there a core charge?
No, there is no core charge. You are free to keep your original module after sending it to us for the cloning service.