Restore Full Functionality to Your GM Vehicle with a VIN-Programmed BCM
If you’re dealing with baffling electrical issues in your 2010 GMC Yukon XL 1500—like power windows with a mind of their own, flickering interior lights, or a security system that won’t cooperate—the Body Control Module (BCM) is the most likely culprit. As the central command center for your vehicle’s body electronics, a failing BCM can cause a cascade of frustrating and seemingly unrelated problems. This isn’t just an inconvenience; it can affect vehicle safety and security. This replacement Body Control Module is your direct-fit, reliable solution, arriving pre-programmed with the latest GM software specifically for your vehicle’s VIN.
A Technician’s Notebook
I recently had a 2010 Yukon XL 1500 in the bay that was a real head-scratcher. The customer reported intermittent no-starts, and the radio would sometimes stay on after the key was removed, draining the battery. We checked the battery, alternator, and grounds—all perfect. A scan tool revealed a flurry of U-codes, specifically U0140 (Lost Communication with Body Control Module). This pointed directly to a failing BCM. Instead of a costly trip to the dealer for a new unit and programming, we used one of these VIN-programmed modules. The swap took less than an hour, and all the electrical gremlins vanished instantly. It’s a solid fix that saves time and money.
Is Your Vehicle Showing These Common BCM Failure Symptoms?
- ✔ Power windows, locks, or mirrors operating erratically or not at all.
- ✔ Interior or exterior lights flickering, staying on, or failing to turn on.
- ✔ The security system or keyless entry malfunctioning.
- ✔ The instrument cluster displaying incorrect information or warning lights.
- ✔ Unexplained battery drain when the vehicle is off.
- ✔ Diagnostic trouble codes (DTCs) related to communication errors, such as U0140, U0155, or U0164.
- ✔ Wipers or the horn activating unexpectedly.
Plug-and-Play Installation: Get Back on the Road Fast
Replacing the 2010 Yukon XL 1500 BCM is a straightforward job for a confident DIYer or any professional technician. Because we handle the programming, you can skip the expensive dealership visit.
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: On most GMT900 platform trucks like the Yukon, 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.
- Disconnect and Remove: Carefully unplug the 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 your new, pre-programmed BCM in the same location and securely reconnect all electrical harnesses.
- Reconnect and Test: Reconnect the negative battery terminal. Start the vehicle and test all body functions—windows, locks, lights, wipers, etc.—to confirm the repair.
Important Post-Installation Steps
In some cases, additional synchronization procedures may be required after installation. These are standard for many GM vehicles and can be performed with a capable bi-directional scan tool.
- Airbag System Sync: If the airbag warning light is illuminated after the swap, a technician will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the modules.
- Brake Pedal Position Relearn: To ensure proper brake light and stability control function, a brake pedal position sensor relearn might be necessary.
Verified Vehicle Compatibility
This BCM, corresponding to part number 20935349, is a direct replacement for a wide range of General Motors vehicles. While this listing is for a 2010 Yukon XL 1500 BCM, it also fits many other models. It is a compatible replacement for numerous part numbers, including 15819552, 20815898, 22860591, 25892622, and more. Key compatible models include:
- ✔ Cadillac Escalade, CTS, DTS, SRX (Various Years)
- ✔ Chevrolet Avalanche, Suburban, Tahoe (2010)
- ✔ Chevrolet Express Van & GMC Savana Van (Various Years)
- ✔ Chevrolet Impala, Traverse, Equinox (Various Years)
- ✔ GMC Acadia, Yukon (Various Years)
- ✔ Buick Enclave, Lucerne (Various Years)
Always verify your original part number and consult the full fitment list to ensure 100% compatibility.
Frequently Asked Questions
Frequently Asked Questions
How does the programming service work?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit VIN. Our experts use this VIN to load the correct GM factory software and vehicle-specific calibrations onto the BCM before it ships. This ensures it works correctly with the options your vehicle was built with.
Do I need to send my original BCM to you?
No, this is not a repair service for your old part. We provide a replacement module programmed to your VIN. Based on our cloning service policy, we do require you to send your original module in so we can extract key data. We return your original module with your newly programmed replacement.
Is this part difficult to install myself?
For someone with basic mechanical skills, the physical installation is straightforward. It typically involves removing a dash panel and a few bolts/clips. The main benefit of our service is that the complex programming is already done for you, eliminating the need for specialized dealer tools.
What happens if the airbag light comes on after installation?
This is a known possibility. The new BCM needs to be electronically ‘introduced’ to the airbag’s Supplemental Deployment Module (SDM). A professional shop with a high-level scan tool can perform the ‘Setup SDM Primary Key’ procedure in a few minutes to resolve this.
What is your core policy?
We do not require a core for a refund, as your original module is always returned to you along with the programmed replacement unit. This ensures you always have your original hardware.