Restore Your Vehicle’s Electrical Functions with a Plug-and-Play BCM
Are you battling frustrating electrical gremlins in your GMC Terrain, Chevy Equinox, or Cadillac SRX? Intermittent power windows, malfunctioning door locks, erratic warning lights, and security system faults are all classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it starts to fail, it can create a cascade of confusing and annoying problems. Dealerships often quote expensive diagnostic fees and high costs for a new module, followed by mandatory programming. Our solution bypasses the hassle and expense.
This listing is for a replacement BCM that is professionally programmed using the data from your original module. This cloning service ensures that the replacement unit is a 100% plug-and-play solution, perfectly matched to your vehicle’s specific configuration and features. You simply send us your original BCM, and we handle the complex data transfer. We then ship the ready-to-install module back to you, eliminating the need for any additional programming or calibration at a dealership. Get your vehicle back to full functionality quickly and affordably.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Interior dome lights, headlights, or taillights staying on or not turning on at all.
- ✔ Malfunctioning windshield wipers and washer system.
- ✔ Security system faults, anti-theft light flashing, or a no-start condition.
- ✔ Erratic instrument cluster behavior, including flickering gauges or warning lights.
- ✔ Keyless entry remote or remote start system not working correctly.
- ✔ Horn honking unexpectedly or not working when pressed.
How Our Simple Mail-In Programming Service Works
Our process is designed to be as straightforward as possible for you. Here’s how you get your vehicle fixed:
- Place Your Order: Complete your purchase through our secure checkout.
- Receive Instructions: We will contact you via email or phone with detailed instructions on how to remove and where to ship your original BCM. Please ensure your contact information is accurate.
- Ship Your Module: Carefully package and send your original BCM to our facility.
- We Program Your New BCM: Once we receive your module, our expert technicians will extract the critical vehicle data and flash it onto the replacement unit. This process typically takes 1-2 business days.
- Receive Your Plug-and-Play Part: We ship the fully programmed BCM back to you. Once it arrives, simply install it, reconnect your battery, and enjoy restored functionality.
Installation and Post-Install Procedures for Your 2010-2011 Terrain BCM
The BCM is typically located on the left-hand (driver’s) side of the dashboard or in the driver’s side kick panel. Always disconnect the negative battery terminal before beginning any work. After installing the programmed BCM, you may need to perform one or more of the following procedures:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is required to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system’s Sensing and Diagnostic Module (SDM). This is only necessary if the light is on.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be needed to ensure correct brake light operation and to satisfy the traction control system.
Disclaimer: Vehicle systems can vary. We always recommend consulting a factory service manual or a qualified automotive technician for specific instructions related to your vehicle.
Compatible Part Numbers:
This BCM is a direct replacement for the following part numbers: 13578420, 13577850, 13505326, 13500384, 13574844, 13504004, and 13504494. Your original module must have one of these numbers for this service to be compatible.
Frequently Asked Questions
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer in your vehicle that controls and monitors a wide range of electronic accessories not related to the engine. This includes power windows, locks, lights, wipers, the security system, and more.
How does this mail-in programming service work?
You purchase this service, then ship your original BCM to us. We extract the unique data from your module and transfer it to the replacement unit. This ‘cloning’ process makes the replacement BCM a plug-and-play part, saving you a trip to the dealer.
Will this BCM be truly plug-and-play?
Yes. Because we are cloning the data from your original unit, the replacement BCM will have all the correct software and vehicle-specific settings. In most cases, no further programming is required. However, some vehicles may require minor relearn procedures as noted in the description.
What happens if my airbag light comes on after installation?
If the airbag light is on, it means the BCM needs to be synchronized with the airbag module (SDM). This is a simple procedure called ‘Setup SDM Primary Key in BCM’ that can be performed by any professional shop with a high-level diagnostic scan tool.
Do I need to send my old BCM back after I receive the new one?
No, this service requires you to send your original BCM to us first for the data cloning. There is no core charge, and you will not receive your original module back.