Restore Your Truck’s Electrical System with a Reliable BCM
Are you battling bizarre electrical issues in your 2010 Chevy Tahoe? Flickering lights, malfunctioning power windows and locks, or a security system that has a mind of its own are all classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can create a cascade of frustrating and hard-to-diagnose problems. I’ve seen it hundreds of times in my 20+ years in the garage: a perfectly good vehicle that won’t start or has a dashboard lit up like a Christmas tree, all due to a communication breakdown originating from the BCM.
This isn’t just a replacement part; it’s a complete, hassle-free solution. We take the guesswork and extra expense out of the equation by programming this Body Control Module specifically to your vehicle’s VIN before we ship it. This means you get a part that’s ready for installation right out of the box, loaded with the latest GM software updates. You can bypass the costly trip to the dealership for programming and get your Tahoe back to full functionality faster.
A Technician’s Notebook: The Tahoe with a Mind of Its Own
A customer brought in their 2010 Tahoe last month with a laundry list of complaints: the radio would turn on and off randomly, the driver’s side power window wouldn’t work, and occasionally, the truck would refuse to start, just a single click. They had already replaced the battery and checked the alternator. When I connected my scan tool, it was flooded with communication error codes, most notably a U0140 – Lost Communication With Body Control Module. This pointed directly to the BCM. After confirming power and ground to the module were good, we knew the internal circuitry had failed. Installing a pre-programmed 2010 Tahoe Body Control Module like this one resolved every single issue instantly. The customer was thrilled to have their reliable truck back without a prolonged and expensive diagnostic chase.
Is Your GM Vehicle Showing These Symptoms?
- ✔ Power windows, door locks, or mirrors operating intermittently or not at all.
- ✔ Interior or exterior lights flickering, staying on, or not turning on.
- ✔ The security system light is flashing, preventing the vehicle from starting.
- ✔ The radio or climate control system behaves erratically.
- ✔ The instrument cluster displays warning lights or incorrect information.
- ✔ Diagnostic trouble codes (DTCs) related to communication errors, such as U0140, U0155, or B1001.
- ✔ A complete no-start condition where the starter doesn’t engage.
A Straightforward Guide to Your BCM Installation
- Safety First: Always 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 a 2010 Tahoe, the BCM is typically located under the steering column, on the driver’s side of the dash. 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, unbolt or unclip the old BCM and remove it from the vehicle.
- Install the New Module: Mount your new, pre-programmed BCM in the same location and securely plug in all the electrical connectors. You should hear a click as they lock into place.
- Reconnect Power: Re-attach the negative battery terminal and tighten it securely.
- Perform Final Procedures: After installing the new 2010 Tahoe Body Control Module, you must perform a ‘Setup SDM Primary Key in BCM’ procedure with a compatible scan tool to sync the airbag system. Some vehicles may also require a Brake Pedal Position Sensor recalibration. These are critical safety steps.
Verified Vehicle Compatibility
This BCM is a direct replacement for part number 25910474 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, 25826124, 25826125, 25847588, 25847589, 25892622, 25934762, 25934763, and 95151084. Please check the fitment list below to confirm compatibility with your specific model and year.
AVALANCHE 1500 10 (under steering column), ID 25892622
CAPRICE 11-13
CAPTIVA SPORT 12 (center dash), ID 20921435, 20921436, 22860591
CTS 08 (RH dash), 08-13 (LH dash)
DTS 06-11 (RH center dash)
ENCLAVE 08-12 (LH dash)
EQUINOX 07-09 (center dash)
ESCALADE 10 (under steering column), ID 20815898 or 25892622
ESCALADE ESV 10 (under steering column), ID 20815898 or 25892622
ESCALADE EXT 10 (under steering column), ID 25892622
EXPRESS VANS 08-12
G8 08-09 (center dash)
HUMMER H2 08-09 (LH firewall)
IMPALA 06-13
LUCERNE 06-11 (right side dash)
MONTE CARLO 06-07 (LH steering column)
OUTLOOK 07-10 (center dash)
SAVANA VANS 08-12
SRX 07-09 (LH dash)
STS 10 (center dash)
SUBURBAN 1500 10 (under steering column), ID 20815898 or 25892622
TAHOE 10 (under steering column), ID 20815898 or 25892622
TORRENT 07-09 (center dash)
TRAVERSE 09-12 (LH dash)
VUE 08-10 (center dash)
YUKON 10 (under steering column), ID 20815898 or 25892622
YUKON XL 1500 10 (under steering column), ID 20815898 or 25892622
Frequently Asked Questions
What exactly does a Body Control Module do?
The BCM is like the central nervous system for your vehicle’s comfort and convenience features. It controls non-engine related functions like power windows, locks, lights, wipers, the security system, and the climate control fans.
Is programming really required for this part?
Yes, the BCM must be programmed to your vehicle’s specific VIN to communicate properly with other modules like the ECU and instrument cluster. The great news is we handle this programming for you before shipping, so it’s ready to install when you receive it.
How do I give you my VIN for programming?
After you complete your purchase, you will receive instructions on how to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship the module until we receive and program it with your VIN.
What other steps are needed after I install the BCM?
After physical installation, two critical procedures are required: an airbag system relearn (‘Setup SDM Primary Key’) and, in some cases, a brake pedal position sensor recalibration. These steps require a professional-grade scan tool and are essential for safety and proper function.
Will this fix my ‘Service Airbag’ light?
If the airbag light is on due to a communication error with a faulty BCM, this new module will allow the system to communicate again. However, you MUST perform the ‘Setup SDM Primary Key in BCM’ procedure with a scan tool to clear the light and ensure the system is operational.