Restore Your GM Truck’s Electrical System with a VIN-Programmed BCM

Are you battling bizarre electrical issues in your 2010 Suburban 1500? Flickering dash lights, power windows with a mind of their own, or a security system that prevents your truck from starting can be incredibly frustrating. As a technician with over two decades of experience, I’ve seen these exact problems hundreds of times. The culprit is almost always a failing Body Control Module (BCM), the central command center for your vehicle’s body electronics.

This isn’t just a replacement part; it’s a complete, hassle-free solution. We take a genuine OEM BCM and program it with the latest GM software specifically for your vehicle using the VIN you provide. This means you can skip the expensive trip to the dealership for programming. It arrives at your door ready for installation, saving you time, money, and headaches.

Common Signs of a Failing BCM

A faulty BCM can cause a wide range of symptoms that may seem unrelated. If your vehicle is experiencing any of the following, a new 2010 Suburban Body Control Module is likely the solution:

• ✔ Erratic or non-functional power windows, door locks, and interior/exterior lights.
• ✔ The security or anti-theft system light stays on, causing a no-start condition.
• ✔ Dashboard gauges behaving erratically or not working at all.
• ✔ Communication error codes, such as U0140, U0155, or other U-series codes, stored in the system.
• ✔ The horn sounding unexpectedly or not working when pressed.
• ✔ Intermittent issues with the radio or climate control functions.

A Straightforward Guide to Installation

Installing your new 2010 Suburban Body Control Module is a manageable job for a confident DIYer. For the 2010 Suburban, the BCM is typically located under the driver’s side of the dashboard, near the steering column.

1. Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
2. Locate the Module: Remove the lower dash panel beneath the steering wheel to gain access to the BCM. It’s a black box with several large electrical connectors.
3. Disconnect and Remove: Carefully release the locking tabs on each electrical connector and unplug them from the old BCM. Then, unbolt or unclip the module from its mounting bracket and remove it.
4. Install the New BCM: Mount the new, pre-programmed BCM in the same location. Securely plug in all the electrical connectors, ensuring they click into place.
5. Reconnect and Test: Reinstall the dash panel, reconnect the negative battery terminal, and start the vehicle. Test all functions like windows, locks, lights, and radio to confirm the repair.

Important Post-Installation Note: In some cases, additional steps may be required. If your airbag light is on, a professional scan tool is needed to perform the “Setup SDM Primary Key in BCM” procedure. A “Brake Pedal Position Relearn” may also be necessary. Always consult a factory service manual for vehicle-specific details.

Verified Vehicle Compatibility

This BCM, part number 15948439, is a direct replacement for a wide range of GM vehicles and part numbers, ensuring you get the right component. Please verify your vehicle’s make, model, and year against this list. This module replaces 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, 25826124, 25826125, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084.