2010 Escalade EXT BCM Body Control Module 15872421 | Cloning Service

End Your GM’s Electrical Nightmares

Tired of flickering lights, dead power windows, or random warning messages? This Body Control Module (BCM), complete with our expert cloning service, is the definitive fix. We transfer your vehicle’s data to this replacement unit, so it arrives ready for a simple, plug-and-play installation. Skip the expensive dealership programming and restore your vehicle’s reliability and function. Order today for a simple, effective solution!

$224.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 591-01465-552 Categories: ,
Guaranteed Safe Checkout

Restore Full Control and Eliminate Electrical Issues

Are you battling frustrating electrical problems in your 2010 Cadillac Escalade EXT or another GM vehicle? Intermittent power windows, erratic door locks, flickering lights, or a dashboard that looks like a Christmas tree are classic signs of a failing Body Control Module (BCM). As the central nervous system for your vehicle’s body electronics, a faulty BCM can make driving unpredictable and unsafe. In my 20+ years as a technician, I’ve seen how a failing BCM can mimic dozens of other issues, leading to expensive and incorrect repairs. This replacement module is the direct, reliable solution to get your vehicle back to factory-perfect operation.

This isn’t just a part in a box. It comes with our professional Cloning Service. We transfer the essential data from your original module directly to this replacement unit. This means when it arrives, it’s ready to install without requiring a trip to the dealership for expensive programming. You get the latest GM software updates and a module that is perfectly matched to your vehicle’s specific options and VIN, ensuring a seamless and effective repair.

A Technician’s Notebook: The Ghost in the Machine

A customer brought in a 2010 Tahoe with a laundry list of bizarre symptoms: the radio would turn off randomly, the driver’s side window wouldn’t go down, and the anti-theft light would flash, preventing it from starting. They had already replaced the battery and alternator with no luck. After connecting my scan tool, I saw multiple ‘U’ codes, specifically U0140 (Lost Communication with BCM). This pointed directly to the network hub. Instead of a wiring issue, which is common, I checked the BCM’s power and ground feeds—they were perfect. This confirmed the BCM itself was failing internally, causing the entire communication network to crash intermittently. Installing a cloned 2010 Escalade EXT BCM (the same family of modules) solved every single issue instantly. This is a classic case where a single component failure creates widespread, confusing symptoms.

Common Signs of a Failing GM Body Control Module

  • ✔ Power windows, door locks, or mirrors operating erratically or not at all.
  • ✔ Interior or exterior lights staying on, flickering, or failing to turn on.
  • ✔ The security system acting up, causing no-start conditions or false alarms.
  • ✔ Inconsistent operation of the horn, windshield wipers, or climate control fans.
  • ✔ Multiple warning lights on the instrument cluster, such as the airbag or ABS light.
  • ✔ Diagnostic trouble codes (DTCs) related to lost communication, such as U0140, U0155, or U0100.

Your Step-by-Step BCM Installation Guide

Replacing the BCM in most compatible GM trucks and SUVs is a straightforward job for a confident DIYer. The module is typically located under the steering column on the driver’s side.

  1. Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait 10-15 minutes to allow all systems to power down completely.
  2. Locate the BCM: On your 2010 Escalade EXT, look under the dashboard to the left of the steering column. You may need to remove a lower dash panel for access.
  3. Disconnect and Remove: Carefully unplug the multiple electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old BCM from its mounting bracket.
  4. Install the New Module: Mount your new, pre-programmed BCM in the same location. Securely plug in all the electrical connectors, ensuring each one clicks firmly into place.
  5. Reconnect Power: Reattach the negative battery terminal.
  6. Perform Relearns: Start the vehicle. As noted in our technical details, you may need a professional scan tool to perform the ‘Setup SDM Primary Key in BCM’ if the airbag light is on, or a ‘Brake Pedal Position Relearn’. Test all functions (lights, locks, windows) to confirm a successful repair.

Verified Fitment Across a Wide Range of GM Vehicles

This BCM is a direct replacement for a vast array of GM cars, trucks, and vans. Please verify your vehicle and part number from the list below. This module is compatible with 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, and 95151084.

ACADIA 07-12 Body Control (BCM); (LH dash)
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
CAPRICE 11-13 Body Control (BCM)
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435, 20921436, 22860591
CTS 08-13 Body Control (BCM); LH dash
DTS 06-11 Body Control (BCM); (RH center dash)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EQUINOX 07-09 Body Control (BCM); (center dash)
ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 08-12 Body Control (BCM)
EXPRESS 3500 VAN 08-12 Body Control (BCM)
G8 08-09 Body Control (BCM); (center dash)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
IMPALA 06-13 Body Control (BCM); (LH dash)
LUCERNE 06-11 Body Control (BCM); (right side dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
SAVANA 2500 VAN 08-12 Body Control (BCM)
SAVANA 3500 VAN 08-12 Body Control (BCM)
SRX 07-09 Body Control (BCM); LH dash
STS 10 Body Control (BCM); center dash
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
TAHOE 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
TORRENT 07-09 Body Control (BCM); (center dash)
TRAVERSE 09-12 Body Control (BCM); (LH dash)
VUE 08-10 Body Control (BCM); (center dash)
YUKON 10 Body Control (BCM); (under steering column), ID 25892622 or 20815898
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
Disclaimer: Always verify your part number and consult a factory service manual for your specific vehicle.

Frequently Asked Questions

Frequently Asked Questions

How does the Cloning Service work?

After purchase, you will send us your original BCM. We use specialized equipment to read the unique vehicle data (including VIN, mileage, and key information) and transfer it to the replacement module. This ensures it’s a perfect match for your vehicle’s configuration, avoiding compatibility issues.

Genuine OEM

Yes

Condition

Refurbished

MPN

15872421

Interchange part number

PartNumber

591

Model

ESCALADE EXT

Year

2013

Brand

GM

Manufacturer Part Number

, , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Scroll to Top