Restore Your Vehicle’s Electrical Stability
Are you tired of dealing with baffling electrical issues in your 2012 Chevrolet Equinox or other compatible GM vehicle? Flickering lights, malfunctioning power windows, a temperamental radio, or warning lights that come and go are classic signs of a failing Body Control Module (BCM). As the central command center for your car’s comfort and convenience features, a faulty BCM can turn your daily drive into a frustrating ordeal. In my 20+ years as a technician, I’ve seen how a failing BCM can mimic a dozen other problems, leading to wasted time and money on incorrect diagnoses.
This is a direct replacement solution for BCM part number 13580696. We’ve streamlined the repair process to eliminate the biggest headache: dealership programming. Our service involves cloning the essential data from your original, failing BCM directly onto this replacement unit. The result? A module that is truly plug-and-play, ready to install right out of the box, with no need for an expensive trip to the dealer for programming.
A Technician’s Notebook: The Case of the Confused Equinox
A customer brought in their 2012 Equinox with a list of strange symptoms: the remote start worked only half the time, the driver’s side window would randomly stop responding, and the “Service Stabilitrak” light would pop on during long drives. They’d already replaced the battery and a window switch with no luck. After connecting my scan tool, I saw multiple communication loss codes (U-codes) pointing to the BCM. These intermittent data network failures are textbook BCM issues. We performed our cloning service, and the replacement 2012 Equinox BCM resolved all the issues instantly. It’s a common scenario that highlights how a single module can cause widespread, confusing problems.
Common Signs of a Failing BCM
If you’re experiencing any of the following, your BCM is likely the culprit. A failing module can often log Diagnostic Trouble Codes (DTCs) such as U0140, U0155, or various B-series codes.
- ✔ Unresponsive or erratic power windows, door locks, and interior/exterior lights.
- ✔ The security system acting up, causing no-start or crank-no-start conditions.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ Dashboard warning lights (like Airbag, ABS, or Traction Control) illuminating for no reason.
- ✔ Problems with the climate control system or radio functions.
A Straightforward Guide to BCM Installation
Installing your newly programmed 2012 Equinox BCM is a manageable job for a confident DIYer. The BCM is typically located behind the driver’s side of the dashboard.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait about 10-15 minutes to allow all systems to power down completely.
- Locate the BCM: On the 2012 Equinox and Terrain, the BCM is found on the left (driver’s) side of the dash, often behind the lower trim panel or near the kick panel. Consult a service manual for the exact location on other models.
- Disconnect and Remove: Carefully unplug all electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Mount the replacement BCM in the same position and securely reconnect all electrical connectors. You should hear a click as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position (without starting the engine) and test all body functions: windows, locks, lights, wipers, and radio to confirm proper operation.
Important Post-Installation Notes
While our cloning service makes this a plug-and-play part, some vehicle systems may require a ‘handshake’ with the new BCM. If your airbag light is on after installation, a professional scan tool is needed to perform the “Setup SDM Primary Key in BCM” procedure. Similarly, some models may require a Brake Pedal Position Relearn for proper brake light and traction control function. Always consult a factory service manual or a qualified technician if you encounter these specific issues.
Will This BCM Fit My Vehicle?
This module is a direct replacement for part number 13580696 and is also compatible with part numbers 123589093, 13588446, 13584692, and 13583542. It is confirmed to fit the following vehicles:
- ✔ Buick LaCrosse: 2012-2013 (Body Control (BCM); LH kick panel)
- ✔ Buick Regal: 2012 (Body Control (BCM); LH dash)
- ✔ Buick Verano: 2012 (Body Control (BCM); below center of dash)
- ✔ Cadillac SRX: 2012 (Body Control (BCM); LH dash, ID 13580696)
- ✔ Chevrolet Camaro: 2012-2014 (Body Control (BCM); RH dash)
- ✔ Chevrolet Equinox: 2012 (Body Control (BCM); LH side dash)
- ✔ Chevrolet Spark: 2013 (Body Control (BCM); left lower a-pillar)
- ✔ Chevrolet Volt: 2012 (Body Control (BCM); RH engine compartment)
- ✔ GMC Terrain: 2012 (Body Control (BCM); LH side dash)
Frequently Asked Questions
2012 Equinox BCM
Is this a guaranteed fix for my car’s electrical problems?
If your vehicle’s symptoms and diagnostic codes point to a faulty BCM, this is the correct and reliable solution. It’s designed to solve issues caused specifically by a failing or compatible module.