Tired of Bizarre Electrical Problems in Your GM Vehicle?
As a technician with over two decades of experience, I’ve seen it all when it comes to a failing Body Control Module (BCM). It’s the central command for your vehicle’s comfort and security features, and when it goes bad, it can cause some of the most frustrating and difficult-to-diagnose issues. One minute your power windows work, the next they don’t. The security light flashes for no reason, or your interior lights have a mind of their own. If this sounds familiar, you’ve likely found the source of your problem, and we have the most straightforward, reliable solution available.
This isn’t just a replacement part; it’s a complete problem-solving service. We offer a professional Cloning Service for this 2008-2013 GM BCM. This means you send us your original, faulty module, and we transfer all of its vital data—including your VIN, mileage, and specific vehicle options—to this replacement unit. The result? A truly plug-and-play module that is ready for installation right out of the box, saving you from a costly and time-consuming trip to the dealership for programming.
A Technician’s Notebook: The Case of the Haunted Impala
A customer brought in their 2011 Impala with a list of strange symptoms: the radio would turn off randomly, the door locks would cycle while driving, and the dash lights would flicker. They had been to two other shops that couldn’t pinpoint the issue. My scan tool pulled a U0140 code (Lost Communication With Body Control Module). Instead of just replacing the BCM and sending them to the dealer for a $200+ programming fee, we performed a cloning service. By transferring the data from his old BCM, we ensured all the car’s original security handshakes and option configurations were preserved. The customer was back on the road the same day with all electrical gremlins banished, saving them time and significant money.
Is Your Vehicle Showing These Common BCM Failure Symptoms?
- ✔ Intermittent or non-functional power windows, door locks, or mirrors.
- ✔ Erratic behavior from interior or exterior lights (staying on, not turning on, flickering).
- ✔ The security or anti-theft system light is on, or the vehicle won’t start.
- ✔ False warnings appearing on the instrument cluster (e.g., “Service Airbag,” “Service Traction System”).
- ✔ Communication-related Diagnostic Trouble Codes (DTCs), such as U0140, U0155, or various B-series codes.
- ✔ A/C and climate control functions not working correctly.
A Straightforward Guide to Your BCM Installation
Installing your cloned 2008-2013 GM BCM is a manageable task for a confident DIYer. The key is that the programming is already done!
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before beginning work.
- Locate the BCM: On most of these GM models, the BCM is located under the driver’s side or passenger’s side of the dashboard, or behind the center dash panel. A quick search for your specific model will confirm its location.
- Remove and Replace: Carefully disconnect the electrical connectors. They have locking tabs that must be depressed. Once disconnected, unbolt or unclip the old module and remove it.
- Install the New Module: Secure the new, cloned BCM in the same position and reconnect all electrical connectors, ensuring they click firmly into place.
- Reconnect Power: Reconnect the negative battery terminal. Your vehicle is now ready to start.
- Perform Relearns (If Needed): In some cases, you may need to perform a simple relearn procedure. If your airbag light is on, a ‘Setup SDM Primary Key’ procedure may be needed with a scan tool. A Brake Pedal Position relearn might also be required for proper brake light and traction control operation.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of GM vehicles and interchanges with numerous part numbers. Please verify your part number or match your vehicle from the list below. This unit replaces part numbers including: 10382479, 15093910, 15276271, 15299986, 15819552, 15828601, 15837419, 15872388, 20815898, 22860591, 25892622, and many more.
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
Note: This is not an exhaustive list. Always confirm fitment by part number or by contacting us with your VIN.
Frequently Asked Questions About This 2008-2013 GM BCM
How does the cloning service work?
After you place your order, you will ship your original BCM to us. We use specialized equipment to extract the unique data from your module and flash it directly onto the replacement unit. This ensures 100% compatibility with your vehicle’s existing systems. We then ship both your original module and the ready-to-install replacement back to you.
Do I need to provide my VIN?
Yes, while we clone the data from your original module, providing your VIN helps us double-check for any potential software updates from GM that can be applied during the programming process, ensuring you get the best-performing module possible.
Will I need a scan tool after installation?
In over 95% of cases, no further action is needed. However, on some models, if the airbag light appears, a professional scan tool is required to perform the ‘Setup SDM Primary Key in BCM’ procedure. This syncs the BCM with the airbag system.
What if my original BCM is completely dead or not communicating?
In many cases, even if the BCM is not functioning in the vehicle, we can still recover the necessary data. If you suspect your module is completely non-responsive, please contact us before ordering to discuss options.
Do you keep my old BCM (the core)?
No. We always return your original module along with the programmed replacement unit. There is no core charge and nothing else for you to send back.