Restore Full Functionality to Your GM Vehicle
Are you battling bizarre electrical issues in your 2010-2011 GMC Terrain or another compatible GM vehicle? Flickering lights, malfunctioning power windows, a temperamental security system, or a dashboard lit up with warning lights can be incredibly frustrating. These aren’t just annoyances; they’re often hallmark signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s electronics, and when it fails, chaos ensues. Forget the dealership’s high costs and scheduling headaches. Our professional cloning service provides a reliable, plug-and-play solution to get you back on the road with confidence.
This service makes replacing your faulty BCM incredibly straightforward. Simply purchase this listing, and we’ll contact you with instructions to ship your original module to our facility. Our expert technicians will then transfer all the critical vehicle-specific data—including VIN, mileage, and key information—to this fully tested replacement unit. We ship it back to you, ready for installation, eliminating the need for any expensive on-vehicle programming. It’s the most efficient way to solve your electrical problems and restore your vehicle’s proper operation.
Case Study: A Tricky Diagnosis
I remember a 2011 GMC Terrain that came into my shop with a laundry list of complaints. The owner reported the radio would turn off randomly, the driver’s side power window worked intermittently, and occasionally, the vehicle wouldn’t start, showing a ‘Service Theft Deterrent System’ message. A scan showed a U0140 code (Lost Communication With Body Control Module) along with a dozen other seemingly unrelated codes. Instead of chasing each individual symptom, my experience pointed directly to the central hub: the BCM. We confirmed the failure, performed a cloning service just like this one, and the replacement 2010-2011 Terrain BCM resolved every single issue at once. It’s a perfect example of how one failing module can create widespread, confusing problems.
Common Signs of a Failing BCM
If your vehicle is exhibiting these symptoms, a faulty Body Control Module is the likely culprit. A failing BCM can often set diagnostic trouble codes (DTCs) such as U0140, U0155, or various B-codes related to body electronics.
- ✔ Power windows, door locks, or interior lights operating erratically or not at all.
- ✔ The security system preventing the vehicle from starting.
- ✔ Horn honking unexpectedly or the alarm system activating without reason.
- ✔ Inconsistent operation of the windshield wipers or radio.
- ✔ Multiple, unrelated warning lights appearing on the instrument cluster.
- ✔ Inability to communicate with the BCM using a diagnostic scan tool.
Your Straightforward Installation Path
Installing your pre-programmed BCM is designed to be a direct process. While the exact location can vary, it is typically found in the driver’s side dash or kick panel area.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait 10-15 minutes to allow all systems to discharge.
- Locate the BCM: On the 2010-2011 Terrain, the BCM is located on the left (driver’s) side of the dash. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug all electrical connectors from the old BCM. Note their orientation. Then, unbolt or unclip the module from its mounting bracket.
- Install the Replacement: Mount the new, pre-programmed BCM in the same location. Securely reconnect all electrical connectors into their correct ports.
- Reconnect Power: Re-attach the negative battery terminal.
- Test and Verify: Start the vehicle and test all body functions—lights, locks, windows, radio, etc.—to ensure everything is working correctly.
Important Post-Installation Information
In some cases, additional synchronization procedures may be needed after installing your new 2010-2011 Terrain BCM. These are simple for any professional shop with a capable scan tool.
- Airbag System Sync: If you see an airbag warning light after installation, a technician will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the modules and clear the light.
- Brake Pedal Position Relearn: A brake pedal position sensor recalibration might be necessary on some models to ensure the brake lights and traction control system function as designed.
Disclaimer: Procedures can vary. We always recommend consulting a factory service manual or a qualified technician for vehicle-specific guidance.
Verified Compatibility for Your Vehicle
This BCM is a direct-fit replacement for several part numbers and models. Please verify your part number or vehicle from the list below. This module fits part numbers: 13577850, 13505326, 13500384, 13574844, 13504004, 13504494, and 13578420.
- Buick Regal: 2011 (Body Control (BCM); (LH dash), w/o opt AUA)
- Cadillac SRX: 2010 (Body Control (BCM); (LH dash))
- Chevrolet Cruze: 2011, 2013 (Body Control (BCM); (LH kick panel))
- Chevrolet Equinox: 2010 (Body Control (BCM); (LH side dash), body control)
- GMC Terrain: 2010 (Body Control (BCM); (LH side dash), body control)
- GMC Terrain: 2011 (Body Control (BCM); (LH side dash), body control, with matching ID)