Restore Control and End Electrical Chaos in Your GM Vehicle
Are you dealing with a vehicle that seems to have a mind of its own? Flickering lights, power windows that won’t cooperate, a security system that randomly activates, or a dreaded no-start condition can all point to one culprit: a failing Body Control Module (BCM). As the central command center for your vehicle’s electronics, a faulty BCM can cause widespread and frustrating issues. This isn’t just an inconvenience; it can affect the safety and reliability of your daily drive. In my 20+ years of experience, I’ve seen how a failing BCM can mimic a dozen other problems, leading to wasted time and money on incorrect diagnoses.
This replacement Body Control Module is the definitive solution. We take the guesswork out of the repair by providing a comprehensive cloning service. Simply send us your original module, and we will transfer all the critical, vehicle-specific data to this replacement unit. It arrives at your door ready for installation, with the latest GM software updates, eliminating the need for an expensive trip to the dealership for programming. This service ensures your vehicle accepts the new module seamlessly, retaining all its original features and key programming.
A Technician’s Notebook: The Escalade with a Ghost
A customer brought in a 2010 Escalade Body Control Module issue that had stumped two other shops. The symptoms were all over the place: the radio would turn off, the interior lights would flicker while driving, and occasionally the key fob wouldn’t work. They had already replaced the battery and alternator. After connecting my scan tool, I saw a storm of U-codes (communication errors) pointing to the BCM. Water intrusion from a leaky windshield seal had corroded a section of the BCM’s circuit board. By using a data-cloned replacement module, we were able to restore all functions perfectly without needing to reprogram keys or perform complex setups at the dealer. It’s a classic case where one central component failure creates system-wide chaos.
Common Signs of a Failing BCM
If your vehicle is exhibiting any of these behaviors, a faulty BCM is the likely cause. A proper diagnosis is key, but these are the symptoms I see most often in the shop.
- ✔ Erratic or non-functional power windows, door locks, and mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or don’t work at all.
- ✔ The security system or alarm activates for no reason.
- ✔ Key fobs that stop working or work intermittently.
- ✔ Dashboard warning lights (like ABS, Airbag, or Traction Control) illuminating.
- ✔ The engine won’t crank or start, even with a good battery.
- ✔ Communication-related Diagnostic Trouble Codes (DTCs), especially U-codes (e.g., U0140 – Lost Communication With Body Control Module).
Your Straightforward Installation Guide
Installing your new BCM is a manageable job for a confident DIYer or any professional technician. While the exact location varies, it’s typically found under the dash. Always consult a service manual for your specific vehicle’s procedure.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Locate the BCM: On many GM trucks and SUVs like the 2010 Escalade, the BCM is located under the driver’s side of the dashboard, near the steering column. For vans and other models, it may be in the center dash.
- Remove Trim Panels: Carefully remove any plastic trim or panels necessary to access the module.
- Disconnect and Remove: 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 the new, pre-programmed BCM in place and securely reconnect all electrical connectors. You should hear a ‘click’ as they lock.
- Post-Installation Steps: Reconnect the battery terminal. Start the vehicle and check for proper function of all body electronics. In some cases, additional relearn procedures may be necessary as outlined below.
Important Post-Installation Information
Our cloning service handles the heavy lifting, but some vehicle systems may require a quick handshake with the new BCM. These procedures typically require a professional-grade scan tool.
- Airbag System Sync: If the airbag light is on after installation, a procedure called “Setup SDM Primary Key in BCM” is needed to sync the systems.
- Brake Pedal Position Relearn: On certain models, a brake pedal position sensor recalibration might be required for correct brake light and stability control operation.
Disclaimer: Procedures can vary. Always refer to a factory service manual for your vehicle’s specific requirements. Your original module will be returned to you with the replacement part.
Will This Fit My Vehicle?
This module is a direct-fit replacement for a wide range of General Motors vehicles and interchanges with numerous part numbers. Please verify your vehicle is on the list below and that the part number on your original module is listed here: 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, 95151084.
AVALANCHE 1500 10
CAPRICE 11-13
CAPTIVA SPORT 12
CTS 08-13
DTS 06-11
ENCLAVE 08-12
EQUINOX 07-09
ESCALADE 10
ESCALADE ESV 10
ESCALADE EXT 10
EXPRESS 1500 VAN 08-12
EXPRESS 2500 VAN 08-12
EXPRESS 3500 VAN 08-12
G8 08-09
HUMMER H2 08-09
IMPALA 06-13
LUCERNE 06-11
MONTE CARLO 06-07
OUTLOOK 07-10
SAVANA 1500 VAN 08-12
SAVANA 2500 VAN 08-12
SAVANA 3500 VAN 08-12
SRX 07-09
STS 10
SUBURBAN 1500 10
TAHOE 10
TORRENT 07-09
TRAVERSE 09-12
VUE 08-10
YUKON 10
YUKON XL 1500 10
Frequently Asked Questions
Frequently Asked Questions
What is a cloning service?
Cloning is a process where we transfer the essential vehicle-specific data (like VIN, key information, and vehicle options) from your original BCM to the replacement unit. This makes the installation plug-and-play and avoids the need for dealership programming.
Do I need to send my original BCM to you?
Yes, for the cloning service to be performed, we require your original module. We will perform the service and ship both your original and the ready-to-install replacement back to you.
Will this fix my specific problem?
This module corrects faults within the BCM itself. If your vehicle’s issues are caused by a faulty BCM, this part will resolve them. It’s crucial to have a proper diagnosis to confirm the BCM is the point of failure before ordering.
Is this part difficult to install?
For someone with moderate mechanical skill, it is a straightforward process. The main challenge is typically accessing the module’s location under the dashboard. No special tools are needed for the physical swap.
What if an airbag light comes on after I install it?
This is a known possibility. The new BCM needs to be electronically introduced to the airbag system (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure with a bi-directional scan tool, which any professional repair shop can perform.