Is Your GMC Terrain Plagued by Bizarre Electrical Problems?
If your 2013-2017 GMC Terrain or a compatible GM vehicle is experiencing strange and unpredictable electrical issues, a failing Body Control Module (BCM) is often the culprit. The BCM acts as the central nervous system for your vehicle’s body electronics, managing everything from your power windows and door locks to the interior lighting and security system. When it starts to fail, it can create a cascade of frustrating and seemingly unrelated problems, making your vehicle unreliable and difficult to operate.
Symptoms of a Failing Body Control Module
A faulty BCM can manifest in numerous ways. If you’re noticing any of the following issues, it’s a strong indicator that your module may need replacement:
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Erratic behavior from the interior or exterior lights (flickering, staying on, or not turning on).
- ✔ The security system or keyless entry system malfunctioning or not responding.
- ✔ Dashboard warning lights illuminating without a clear cause.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ Wipers operating on their own or failing to activate.
- ✔ Communication errors with other vehicle modules, leading to a no-start condition in some cases.
The Simple, Plug-and-Play Solution: Our Programming Service
Replacing a BCM isn’t as simple as swapping the part. These modules are programmed with your vehicle’s specific Vehicle Identification Number (VIN) and operational data. A new or used module from another vehicle won’t work without a costly and complicated programming procedure at a dealership. Our service eliminates that hassle completely.
We provide a replacement 2013-2017 Terrain BCM that is precisely cloned from your original unit. Here’s how it works:
- Place Your Order: Complete your purchase, ensuring your contact information is accurate.
- We Contact You: Our team will reach out with simple instructions and a shipping address for you to send your original BCM to us.
- We Program Your Replacement: Once we receive your module, our technicians will extract all the critical data and transfer it to the replacement unit. This ensures all your vehicle’s original settings and key information are preserved.
- We Ship It Back: We ship the fully programmed, plug-and-play replacement BCM back to you, typically within 1-2 business days of receiving your original. You’ll receive tracking information as soon as it’s on its way.
This process ensures a seamless installation. Simply disconnect your old BCM, install the one we send you, and you’re back on the road. No dealer visits, no additional programming fees, and no compatibility headaches.
Post-Installation Procedures
In some cases, minor relearn procedures may be necessary after installation to ensure all systems communicate correctly. These are typically straightforward and can be performed with a professional scan tool.
- Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is required to sync the airbag system. This is only needed if the light appears.
- Brake Pedal Position Relearn: A recalibration of the brake pedal position sensor may be needed to ensure correct brake light and traction control operation.
Always consult a factory service manual or a qualified technician for vehicle-specific guidance.
Fitment and Part Number Compatibility
This BCM is a direct replacement for part number 13584695 and is also compatible with the following alternative part numbers: 13586273, 13580697, 13588447, 13589197, 13589324, and 13589325. It fits a wide range of GM vehicles, including:
- 2013-2017 GMC Terrain
- 2013-2017 Chevrolet Equinox
- 2013-2017 Buick Verano
- 2013-2016 Chevrolet Cruze
- 2013-2014 Buick Encore
- 2013-2014 Chevrolet Trax
- And many more models as listed in the fitment chart.
Frequently Asked Questions
What does the Body Control Module (BCM) do?
The BCM is a computer that manages and controls many of your vehicle’s non-engine related electronic functions. This includes power windows, door locks, interior and exterior lighting, security systems, wipers, and more. It acts as a central hub for these systems.
Why do I need to send you my original BCM?
Your original BCM contains unique data specific to your vehicle, including the VIN, security information, and settings for various options. By cloning this data to the replacement module, we make the new part truly plug-and-play, avoiding the need for expensive dealership programming.
How long does the programming service take?
Once we receive your original module, our programming and testing process is typically completed within 1-2 business days. We then ship the programmed replacement back to you promptly.
Will I need to program my keys again?
No. Because we clone all the data from your original module, the replacement BCM will recognize your existing keys. This is a major benefit of our service, saving you time and money.
What happens if I install the BCM and the airbag light comes on?
This can occasionally happen. It requires a simple sync procedure called ‘Setup SDM Primary Key in BCM’ which can be performed by a qualified technician with a professional diagnostic tool. It ensures the new BCM and the airbag module are communicating correctly.
Is this service a permanent fix for my vehicle’s electrical problems?
Yes, if the Body Control Module is the root cause of the issues. Our service provides a fully functional, correctly programmed BCM that restores the electronic systems it controls back to proper working order.