Restore Your Monte Carlo’s Electrical System with a Reliable, Programmed BCM
If you’re dealing with bizarre and frustrating electrical issues in your 2006-2007 Chevrolet Monte Carlo, you’re not alone. Flickering lights, malfunctioning power windows or locks, a security light that won’t turn off, or strange behavior from your instrument cluster are often signs of a failing Body Control Module (BCM). The BCM is the central nervous system for your vehicle’s body electronics, and when it starts to fail, it can cause a cascade of problems that are difficult to diagnose. This isn’t just an annoyance; it can affect your vehicle’s security and safety.
We offer a dependable and straightforward solution. This Body Control Module is rigorously tested and programmed specifically for your vehicle using your VIN. This means it arrives ready to install, loaded with the latest GM software updates, saving you a costly trip to the dealership for programming. You get a reliable part that restores function and peace of mind, all without the dealership price tag.
Case Study: A Tricky Diagnosis
A customer brought in a 2007 Monte Carlo SS with a laundry list of complaints: the radio would randomly shut off, the driver’s side window worked intermittently, and the anti-theft light would flash, sometimes preventing the car from starting. They had already replaced the battery and checked fuses. After connecting my scan tool, I saw multiple U-codes (communication loss) pointing to the BCM. These modules are notorious for internal solder joint failures that create these exact kinds of intermittent, heat-sensitive problems. We installed one of our pre-programmed BCMs, and within an hour, every single issue was resolved. It’s a classic example of how one failing component can make a great car feel unreliable.
Is Your Monte Carlo Showing These Signs?
A failing BCM can manifest in many ways. If you’re experiencing any of the following, it’s a strong indicator that your BCM needs replacement:
- âś” Erratic or non-functional power windows, door locks, or mirrors.
- âś” Interior or exterior lights that flicker, stay on, or don’t work at all.
- âś” The security or anti-theft light is illuminated or flashing on the dash.
- âś” Problems with the keyless entry or remote start system.
- âś” Instrument panel gauges behaving erratically or going dark.
- âś” Communication error codes (U-codes) stored in the system, such as U0140.
- âś” The air conditioning or climate control system is unresponsive.
A Straightforward Guide to Installation
For the handy DIYer, replacing the BCM in your Monte Carlo is a manageable job. The module is typically located on the left-hand side of the steering column. Follow these general steps for a successful installation:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait about 15 minutes to allow all systems to power down completely.
- Locate the BCM: On the 2006-2007 Monte Carlo, you’ll find the BCM attached to the left side of the steering column, often behind the lower dash panel.
- Remove Trim Panels: Carefully remove any plastic trim or panels necessary to gain clear access to the BCM. Keep track of your screws and clips.
- 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 old module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and reconnect all electrical connectors, ensuring they click securely into place.
- Reconnect and Test: Reinstall any trim panels you removed, then reconnect the negative battery terminal. Start the vehicle and test all body functions (lights, windows, locks, etc.) to confirm the repair.
Important Post-Installation Notes
While this BCM is programmed to your VIN for a simple installation, some GM vehicles require additional steps to sync all systems perfectly. Please be aware of the following:
- Airbag System Sync: If your airbag warning light is on after installation, a procedure called ‘Setup SDM Primary Key in BCM’ must be performed with a professional-grade scan tool. This syncs the BCM with the airbag module.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure proper brake light and traction control operation. This also requires a compatible scan tool.
Disclaimer: These procedures can vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any step.
Verified Vehicle Compatibility
This BCM is a direct replacement for part number 20839063 and a wide range of other GM part numbers. It is guaranteed to fit the following vehicles and configurations. Please verify your vehicle is on this list before ordering.
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
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921436
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 22860591
CTS 08 Body Control (BCM); RH dash
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 20815898
ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 08-09 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
EXPRESS 2500 VAN 11-12 Body Control (BCM)
EXPRESS 3500 VAN 08-09 Body Control (BCM); (center dash)
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 4.8L
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 6.0L
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
EXPRESS 3500 VAN 11-12 Body Control (BCM)
G8 08-09 Body Control (BCM); (center dash)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
IMPALA 06-12 Body Control (BCM); (LH dash)
IMPALA 13 Body Control (BCM); (LH dash), ID 22820315
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 08-09 Body Control (BCM); (center dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
SAVANA 2500 VAN 11-12 Body Control (BCM); (center dash)
SAVANA 3500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 4.8L
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.0L
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
SAVANA 3500 VAN 11-12 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 20815898
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 25892622
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898
TAHOE 10 Body Control (BCM); (under steering column), ID 25892622
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 20815898
YUKON 10 Body Control (BCM); (under steering column), ID 25892622
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 25892622
This module also replaces 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, 25910474, 25934762, 25934763, 95151084.
Do I need to send my old BCM back?
Do I need to send my old BCM back?
No, there is no core charge for this module. You can keep your original part.
Is this part difficult to install myself?
For someone with basic mechanical skills, this is a very manageable repair. The main challenge is accessing the module, which is typically under the dash. Since our module comes pre-programmed, you avoid the most complex part of the job.
What does ‘programmed to my VIN’ mean?
It means we load the specific software and settings for your exact vehicle, including its options and features, onto the BCM before we ship it. This ensures it communicates correctly with all other modules in your car, just like a new part from the factory.
What if my airbag light comes on after installation?
This is a known possibility with GM vehicles. It simply means the new BCM needs to be electronically ‘introduced’ to the airbag system’s computer (SDM). A qualified repair shop with a professional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to resolve this.
Will this fix my security system issues?
In most cases, yes. The BCM is integral to the GM Pass-Key and Passlock anti-theft systems. A faulty BCM is a very common cause of security lights on the dash and no-start conditions related to the theft deterrent system.