Fix Your GM Truck’s Electrical Gremlins for Good
If you’re dealing with bizarre electrical issues in your 2007-2011 GMC Yukon XL 2500, you’re not alone. As the central command center for your vehicle’s body electronics, a failing Body Control Module (BCM) can cause a cascade of frustrating problems. This OEM-quality replacement, equivalent to part number 15284816, is the definitive solution. We pre-program it to your vehicle’s specific VIN, ensuring it works right out of the box without a costly trip to the dealership for programming. Restore full function to your power windows, door locks, lighting, HVAC system, and more with a reliable, direct-fit module.
A Technician’s Notebook
I had a 2009 Sierra 2500 in the bay last month that was a perfect example of BCM failure. The customer reported the radio would cut out, the driver’s side window wouldn’t work, and the A/C blower was intermittent. He’d already replaced the blower motor resistor with no luck. A quick scan showed a slew of communication codes. Instead of chasing each issue individually, we went straight to the source. After confirming the main power and ground connections to the BCM were solid, we swapped it with a VIN-programmed unit. In under 10 minutes, every single one of the ghost-like electrical issues was gone. It’s a classic case where one part failure mimics a dozen different problems.
Is Your Yukon Exhibiting These Telltale Signs?
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, there’s a strong chance your module is the culprit:
- ✔ Power windows, mirrors, or door locks operating erratically or not at all.
- ✔ Interior dome lights or exterior headlights flickering or failing to turn on/off.
- ✔ HVAC system issues, like the blower motor not working or temperature controls being unresponsive.
- ✔ The security system acting up, causing no-start or stalling conditions.
- ✔ An airbag warning light on the dash, often with a DTC B1001 (loss of communication with SDM).
- ✔ Multiple unrelated diagnostic trouble codes stored in the system.
A Straightforward Guide to Your BCM Replacement
Installing your new 2007-2011 Yukon XL 2500 BCM is a simple process that most DIYers can complete in their driveway. Since it comes pre-programmed, no special computer is needed for the basic installation.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning work on any electronic components.
- Locate the BCM: On most GM trucks and SUVs from this era, the BCM is located under the driver’s side dashboard, to the left of the steering column. You may need to remove a lower dash panel for access.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old module. They have locking tabs that need to be depressed. Once disconnected, unclip or unbolt the old BCM from its mounting bracket.
- Install the New Module: Seat the new, pre-programmed BCM into the mounting bracket and securely plug in all the electrical connectors. You’ll hear a click as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—lights, locks, windows, wipers, and HVAC—to confirm the repair was successful.
Important Post-Installation Note: In some cases, particularly if you had an airbag light on, you may need a professional scan tool to perform a “Setup SDM Primary Key in BCM” procedure to sync the new BCM with the airbag system. A brake pedal position relearn might also be necessary for certain models.
Verified Compatibility for Your GM Vehicle
This module is a direct replacement for part number 15284816 and is interchangeable with several other part numbers, ensuring a perfect fit for a wide range of GM trucks and SUVs. This part will fit these makes and models with these options:
AVALANCHE 1500 08-09 Body Control (BCM); (under steering column)
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25835966
AVALANCHE 1500 11 Body Control (BCM)
ESCALADE 07-09 Body Control (BCM); (under steering column)
ESCALADE 10 Body Control (BCM); (under steering column), ID 25835966
ESCALADE 11 Body Control (BCM); (under steering column)
ESCALADE ESV 07-09 Body Control (BCM); (under steering column)
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25835966
ESCALADE ESV 11 Body Control (BCM); (under steering column)
ESCALADE EXT 07-09 Body Control (BCM); (under steering column)
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25835966
ESCALADE EXT 11 Body Control (BCM); (under steering column)
SIERRA 1500 PICKUP 07 Body Control (BCM); new style (smooth door skin), (under steering column)
SIERRA 1500 PICKUP 08 Body Control (BCM); (under steering column)
SIERRA 1500 PICKUP 09 Body Control (BCM), (under steering column)
SIERRA 1500 PICKUP 10-11 Body Control (BCM); (under steering column)
SIERRA 2500 PICKUP 07 Body Control (BCM); new style (smooth door skin), (under steering column)
SIERRA 2500 PICKUP 08-11 Body Control (BCM); (under steering column)
SIERRA 2500 PICKUP 13 Body Control (BCM); (under steering column), ID 25835966
SIERRA 3500 PICKUP 07 Body Control (BCM); new style (smooth door skin), (under steering column)
SIERRA 3500 PICKUP 08-11 Body Control (BCM); (under steering column)
SIERRA 3500 PICKUP 13 Body Control (BCM); (under steering column), ID 25835966
SIERRA DENALI 07 Body Control (BCM); new style (smooth door skin), (under steering column)
SIERRA DENALI 08-10 Body Control (BCM); (under steering column)
SIERRA DENALI 1500 11 Body Control (BCM); (under steering column)
SIERRA DENALI 2500 11 Body Control (BCM); (under steering column)
SIERRA DENALI 2500 13 Body Control (BCM); (under steering column), ID 25835966
SIERRA DENALI 3500 11 Body Control (BCM); (under steering column)
SIERRA DENALI 3500 13 Body Control (BCM); (under steering column), ID 25835966
SILVERADO 1500 PICKUP 07 Body Control (BCM); new style (smooth door skin), (under steering column)
SILVERADO 1500 PICKUP 08-11 Body Control (BCM); (under steering column)
SILVERADO 2500 PICKUP 07 Body Control (BCM); new style (smooth door skin), under steering column)
SILVERADO 2500 PICKUP 08 Body Control (BCM), (under steering column)
SILVERADO 2500 PICKUP 09-11 Body Control (BCM); (under steering column)
SILVERADO 2500 PICKUP 13 Body Control (BCM); (under steering column), ID 25835966
SILVERADO 3500 PICKUP 07 Body Control (BCM); new style (smooth door skin), (under steering column)
SILVERADO 3500 PICKUP 08 Body Control (BCM), (under steering column)
SILVERADO 3500 PICKUP 09-11 Body Control (BCM); (under steering column)
SILVERADO 3500 PICKUP 13 Body Control (BCM); (under steering column), ID 25835966
SUBURBAN 1500 07-09 Body Control (BCM); (under steering column)
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 25835966
SUBURBAN 1500 11 Body Control (BCM); (under steering column)
SUBURBAN 2500 07-09 Body Control (BCM); (under steering column)
SUBURBAN 2500 10 Body Control (BCM), (under steering column)
SUBURBAN 2500 11 Body Control (BCM); (under steering column)
TAHOE 07 Body Control (BCM); (under steering column)
TAHOE 08 Body Control (BCM)
TAHOE 09 Body Control (BCM); (under steering column)
TAHOE 10 Body Control (BCM); (under steering column), ID 25835966
TAHOE 11 Body Control (BCM); (under steering column)
YUKON 07 Body Control (BCM); (under steering column)
YUKON 08 Body Control (BCM), (under steering column)
YUKON 09 Body Control (BCM); (under steering column)
YUKON 10 Body Control (BCM); (under steering column), ID 25835966
YUKON 11 Body Control (BCM), (under steering column)
YUKON XL 1500 07-09 Body Control (BCM), (under steering column)
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 25835966
YUKON XL 1500 11 Body Control (BCM); (under steering column)
YUKON XL 2500 07-08 Body Control (BCM), (under steering column)
YUKON XL 2500 09-11 Body Control (BCM); (under steering column)
Frequently Asked Questions
Frequently Asked Questions
Is this BCM really plug-and-play?
Yes! We program the module to your vehicle’s VIN before shipping, so it’s ready for installation without needing a trip to the dealer. In some cases, a minor relearn procedure for the airbag or brake pedal position sensor may be needed, which can be done with a high-end scan tool.
How do I know for sure that my BCM is the problem?
The most definitive way is a professional diagnosis. However, if your truck is experiencing multiple, unrelated electrical issues like those listed in the symptoms section, the BCM is the most common cause. Checking for good power and ground at the module is a key diagnostic step.
My airbag light is on. Will this fix it?
If the airbag light is on due to a communication fault with the BCM (like DTC B1001), then yes, this will resolve the root cause. After installation, you may need to have the ‘Setup SDM Primary Key’ procedure performed to clear the light and re-establish communication.
Do I have to return my old BCM?
No. There is no core charge for this part. You can keep your old module, which saves you the time and hassle of shipping it back.
What happens if I order the wrong part?
We’re here to help! By providing your VIN during checkout, we verify compatibility to prevent errors. If you have any doubts, contact our expert support team before ordering, and we’ll ensure you get the exact part you need for your Yukon.