Restore Your Truck’s Electrical System with a Plug-and-Play Solution
Are you dealing with frustrating electrical issues in your GMC Yukon, Chevy Silverado, or Cadillac Escalade? Intermittent power windows, a dead HVAC system, or a security light that won’t turn off are common signs of a failing Body Control Module (BCM). As a technician with over 20 years of experience, I’ve seen how a faulty BCM can create a cascade of seemingly unrelated problems. This module, part number 15940214, is the central nervous system for your vehicle’s body accessories, and when it fails, it can make your daily drive a nightmare. Our VIN-programmed BCM is the reliable, straightforward fix you need.
We take the guesswork and extra cost out of the repair. Simply provide your vehicle’s VIN during checkout, and we’ll program the module with the latest GM software specifically for your truck or SUV. This means it arrives ready to install right out of the box—no expensive dealership programming required. This is the definitive solution for any DIY mechanic or professional shop looking to perform a reliable and efficient repair on a 2007-2011 Yukon BCM and other compatible GM vehicles.
Case Study: A Tricky Diagnosis
I once had a 2009 Sierra in my bay with a classic BCM failure story. The owner complained of the radio turning off randomly and the driver’s side power window working only when it wanted to. He’d already replaced the window motor and switch with no luck. After scanning, I found a handful of communication codes. The root cause wasn’t just the BCM itself, but a poor ground connection near the driver-side kick panel, a common issue on these GMT900 platforms. After cleaning the ground and installing one of our pre-programmed BCMs, all the ghost-like electrical issues were gone for good. It’s a powerful reminder: always check your grounds during a BCM replacement to ensure a lasting fix.
Common Signs of a Failing BCM
- ✔ Non-functional or erratic power windows, door locks, and interior/exterior lights.
- ✔ The security or anti-theft system light stays on, potentially causing a no-start condition.
- ✔ HVAC controls are inoperative, or the blower motor runs intermittently.
- ✔ An airbag warning light is illuminated, often with Diagnostic Trouble Code (DTC) B1001.
- ✔ Communication errors with other modules on the vehicle network.
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- ✔ Locate the BCM: On most compatible models, the BCM is located under the driver’s side of the dashboard, near the steering column. You may need to remove a lower dash panel for access.
- ✔ Swap the Module: Carefully disconnect the electrical connectors from the old BCM. They have release tabs that need to be pressed. Remove the old module and install the new one in its place.
- ✔ Reconnect and Test: Securely plug all connectors into your new, pre-programmed BCM. Reconnect the battery terminal and test all functions—lights, locks, windows, wipers, and HVAC—to confirm the repair.
- ✔ Post-Installation Checks: In some cases, an airbag light may persist. This requires a professional scan tool to perform the ‘Setup SDM Primary Key in BCM’ function. A ‘Brake Pedal Position Relearn’ may also be needed. These are simple procedures for any well-equipped shop.
Will This Fit My Truck or SUV?
This Body Control Module is a direct replacement for a wide range of General Motors vehicles and is interchangeable with numerous part numbers, including 25835966, 15926094, 25844480, 20939137, and 22860591. It is guaranteed to fit the following models:
ESCALADE & ESV & EXT 07-11
SIERRA 1500/2500/3500 & DENALI 07-13
SILVERADO 1500/2500/3500 07-13
SUBURBAN 1500/2500 07-11
TAHOE 07-11
YUKON & YUKON XL 1500/2500 07-11
Note: For 2007 models, this fits the ‘new style’ with a smooth door skin. Always verify your part number or contact us with your VIN for guaranteed fitment.
Frequently Asked Questions
Do I need to have the dealership program this BCM?
No. We pre-program the module to your vehicle’s VIN before it ships. It arrives ready for a plug-and-play installation, saving you time and money.
What tools are required for the installation?
Basic hand tools are all that’s needed, typically a socket set or nut driver to remove the lower dash panel and potentially the module’s mounting bolts. No special electronic tools are required for the physical swap.
My airbag light is still on after installing the new BCM. What should I do?
This is a known security feature. You will need a professional-grade scan tool to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the new BCM with the airbag system and will resolve the light.
Is there a core charge for this part?
No, there is no core charge. You can keep your old module without any hassle or need to return it.
Will this fix my specific problem?
This module corrects issues directly controlled by the BCM, such as power accessories, lighting, and security functions. While it is a common point of failure, always perform a proper diagnosis to confirm the BCM is the root cause of your issue.