Programmed 2009-2012 Traverse BCM 25826124 | Body Control Module

Restore Full Functionality to Your GM Vehicle

Is your 2009-2012 Chevrolet Traverse acting possessed? Flickering lights, intermittent power windows, a security system that won’t cooperate, or a battery that drains overnight are all classic signs of a failing Body Control Module (BCM). As the central computer for your vehicle’s body electronics, a faulty BCM can cause a cascade of frustrating and seemingly unrelated problems. This isn’t just an annoyance; it can be a safety issue when things like your lights or security system become unreliable.

This isn’t a generic, one-size-fits-all part. We provide a genuine OEM-quality Body Control Module, part number 25826124, that is professionally programmed to your vehicle’s specific VIN. This crucial step ensures that all the electronic features unique to your Traverse work correctly right out of the box. Simply provide us with your VIN after purchase, and our technicians will load the latest GM software, making the installation process as smooth as possible.

Diagnosing a Faulty 2009-2012 Traverse BCM

A failing BCM can be tricky to diagnose because its symptoms often mimic other problems. However, if you’re experiencing several of the issues below simultaneously, the BCM is the most likely culprit.

Common Signs of a Failing BCM

• ✔ Erratic or non-functional interior and exterior lights (headlights, dome lights).
• ✔ Power windows, locks, or mirrors operating intermittently or not at all.
• ✔ The security system or keyless entry malfunctioning.
• ✔ Unexplained battery drain leading to a no-start condition.
• ✔ Dashboard warning lights (like the airbag or ABS light) illuminating for no reason.
• ✔ Communication error codes, often starting with ‘U’ (e.g., U0100, U0140), stored in the system.
• ✔ Gauges on the instrument cluster behaving erratically or not working.

A Straightforward Guide to Installation

Replacing the BCM in your Traverse is a manageable job for a DIYer with basic tools. The module is typically located on the left (driver’s) side of the dash. Always consult a service manual for precise location and torque specs.

1. Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow the system’s capacitors to discharge.
2. Locate the BCM: On the 2009-2012 Traverse, the BCM is usually found behind the lower dash panel on the driver’s side, near the steering column. You may need to remove a trim panel for access.
3. Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that must be depressed. Once disconnected, unbolt the module from its mounting bracket.
4. Install the New BCM: Mount your new, pre-programmed BCM in place and securely fasten it. Reconnect all the electrical connectors, ensuring they click firmly into place.
5. Reconnect Battery: Re-install the lower dash panel and reconnect the negative battery terminal.
6. Post-Installation Checks: Start the vehicle and test all body functions—lights, windows, locks, radio, etc. As noted in our post-install procedures, a relearn for the brake pedal position or airbag system may be required in some cases if warning lights appear.

Verified Vehicle Compatibility

This Body Control Module is a direct replacement for part number 25826124 and is compatible with a wide range of GM vehicles. It also interchanges with the following part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 15872421, 15880684, 15921352, 15921353, 15948438, 15948439, 20815898, 20839063, 20864767, 20864768, 20921435, 20921436, 20935349, 22860591, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, and 95151084.