Are you chasing electrical gremlins in your 2006-2007 Chevrolet Monte Carlo? Intermittent power windows, flickering dash lights, a security system that won’t cooperate, or even a frustrating no-start condition can often be traced back to one component: a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, when the BCM falters, it can cause a cascade of confusing and unpredictable issues. This isn’t just an inconvenience; it’s a matter of reliability and safety.
This is a direct-fit, VIN-programmed replacement Body Control Module that solves these problems at their source. Forget the expensive dealership visit and the hassle of finding a shop that can program a new module. We handle the complex part for you. Simply provide your vehicle’s VIN during checkout, and our technicians will flash this BCM with the latest GM software specific to your Monte Carlo. It arrives at your door ready for installation, saving you time, money, and diagnostic headaches.
A Technician’s Notebook
I remember a 2007 Monte Carlo SS that came into my bay with a classic BCM failure story. The owner was fed up. The radio would turn on by itself, the power locks worked only half the time, and the security light was always on, occasionally preventing the car from starting. He’d already replaced the battery and checked the alternator. After connecting my scan tool, I saw a slew of U-codes (communication errors) pointing to a network breakdown. The BCM was the culprit. Swapping in a VIN-programmed module like this one resolved every single issue in under an hour. It’s a common failure, but with the right part, it’s a straightforward fix.
Common Signs of a Failing BCM
If you’re experiencing any of the following, a faulty Body Control Module is a likely cause. A scan tool may show communication codes like U0140, U0155, or other B-series (Body) codes.
- ✔ Erratic or non-functional power windows, door locks, and interior lights.
- ✔ The security system light stays on, or the alarm goes off randomly.
- ✔ Intermittent no-start or no-crank conditions.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ Dashboard warning lights flashing without reason.
- ✔ Problems with key fob recognition and remote start.
A Straightforward Guide to Installation
Installing your new 2006-2007 Monte Carlo BCM is a manageable job for a confident DIYer. For your specific model, the BCM is located to the left of the steering column, behind the lower dash panel.
- Safety First: Disconnect the negative terminal from your car’s battery and wait 10-15 minutes to ensure all systems are de-energized.
- Access the Module: Carefully remove the lower dash panel beneath the steering wheel to expose the BCM.
- Disconnect and Remove: Unplug the electrical connectors from the old BCM. They have locking tabs, so be gentle. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all electrical connectors.
- Power Up: Re-install the dash panel and reconnect the negative battery terminal.
- Perform Relearns: Start the vehicle. Some models may require a post-installation procedure like a Brake Pedal Position Relearn or Airbag System Sync if a warning light is present.
Post-Installation Requirements
Post-Installation Requirements
While we program the module to your VIN, your vehicle’s internal systems may need to re-synchronize with the new BCM. This is normal. The most common procedures are:
Verified Vehicle Compatibility
This BCM is a direct replacement for part number 25934762 and is interchangeable 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, 25910474, 25934763, 95151084. It fits a wide range of GM vehicles:
Frequently Asked Questions
- How do I provide my VIN number?
- After you complete your purchase, you will receive an email prompting you to reply with your 17-digit VIN. We cannot program and ship your BCM without it.
- Is this part difficult to install myself?
- For most DIYers with basic tools, this is a manageable repair. The main tasks are removing a dash panel and swapping the module. No special tools are needed for the physical installation.
- What if an airbag or other warning light comes on after installation?
- This is typically not a sign of a defective part. It usually means a relearn procedure is required to sync the new BCM with other modules in your vehicle, like the airbag (SDM) or brake systems. This is a standard step in many modern electronic repairs.
- Do I need to return my old BCM?
- No. There is no core charge for this part. You can keep your original module.
- Is the programming included in the price?
- Yes, the price includes programming the module to your specific vehicle using the VIN you provide. It will arrive ready to be installed.