Restore Your Monte Carlo’s Electrical System with a Plug-and-Play Solution
Are you tired of dealing with bizarre electrical problems in your 2006 or 2007 Chevrolet Monte Carlo? Flickering lights, power windows with a mind of their own, a security system that won’t cooperate, or even a car that refuses to start can all point to one culprit: a failing Body Control Module (BCM). As the central nervous system for your vehicle’s electronics, a faulty BCM can cause widespread and frustrating issues. In my 20+ years of diagnostics, I’ve seen how a bad BCM can make a perfectly good car feel unreliable.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle and expense out of the repair by programming this BCM specifically to your vehicle’s VIN before it ships. This means you can skip the costly trip to the dealership for programming. Simply provide your VIN at checkout, and we’ll handle the rest, ensuring the module is loaded with the latest GM software updates for optimal performance and compatibility.
A Technician’s Notebook: The Monte Carlo with a Mind of Its Own
Just last month, a 2007 Monte Carlo SS was towed into the shop. The owner was at his wit’s end. The radio would randomly turn off, the interior lights would stay on, draining the battery, and the remote keyless entry worked only intermittently. He had already replaced the battery and checked the fuses. After connecting my scan tool, I found several communication loss codes (U-codes) pointing to the BCM. A faulty BCM was creating a communication breakdown on the vehicle’s network, causing all the ghost-like symptoms. Installing a VIN-programmed BCM like this one resolved every single issue in under an hour. The customer drove away with a car that felt new again.
Is Your Monte Carlo Showing These Symptoms?
- ✔ Erratic or non-functional power windows, door locks, or mirrors.
- ✔ Interior dome lights or dashboard lights staying on or not working at all.
- ✔ The security system activating randomly or preventing the car from starting (Security light on).
- ✔ Intermittent operation of the radio, climate controls, or instrument cluster gauges.
- ✔ Communication error codes stored in the system (often U-codes like U0140).
- ✔ Problems with the remote keyless entry (RKE) system.
A Straightforward Guide to BCM Installation
Replacing the BCM on your Monte Carlo is a manageable job for a DIY enthusiast. The BCM is typically located behind the driver’s side of the dashboard, near the steering column.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Access the Module: You may need to remove the lower dash panel or knee bolster under the steering wheel to gain access to the BCM. This is usually held in by a few screws or clips.
- Locate and Unplug: Identify the BCM. It will have several large multi-pin electrical connectors. Carefully press the release tabs on each connector and pull them straight out.
- Remove the Old BCM: Unbolt or unclip the old BCM from its mounting bracket and remove it from the vehicle.
- Install the New BCM: Mount your new, pre-programmed BCM in the same location. Securely reconnect all electrical connectors, ensuring they click into place.
- Post-Installation Procedures: Reconnect the battery terminal. You will now need to perform a couple of critical relearn procedures.
Important: After You Install
To ensure full functionality and safety after replacing your BCM, a few final steps are required. These procedures sync the new module with your car’s other systems.
- Airbag System Reset: The airbag warning light will likely be on. You must perform the ‘Setup SDM Primary Key in BCM’ procedure using a professional-grade bidirectional scan tool. This is a critical safety step to ensure the airbag system is operational.
- Brake Pedal Position Sensor Calibration: Some vehicles require the Brake Pedal Position (BPP) sensor to be recalibrated after a BCM replacement. This ensures the brake lights and stability control systems function correctly.
- Consult Your Manual: If you are uncertain about these procedures, please consult your vehicle’s service manual or seek assistance from a qualified mechanic to ensure they are performed correctly.
Verified Vehicle Compatibility
This Body Control Module is a direct replacement for part number 25847588 and is compatible with a wide range of GM vehicles. Please verify your original part number. This BCM fits the following models:
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)
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)
ESCALADE ESV 10 Body Control (BCM); (under steering column)
ESCALADE EXT 10 Body Control (BCM); (under steering column)
EXPRESS 1500/2500/3500 VANS 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)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SAVANA 1500/2500/3500 VANS 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)
TAHOE 10 Body Control (BCM); (under steering column)
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)
YUKON XL 1500 10 Body Control (BCM); (under steering column)
This module also replaces 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, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084.
Frequently Asked Questions
Do I need to get this BCM programmed by a dealer?
No. We program the module to your car’s specific VIN before we ship it to you. This makes it a plug-and-play installation, saving you a trip to the dealership and additional programming fees.
Where is the BCM located on my 2006-2007 Monte Carlo?
The Body Control Module is typically found behind the driver’s side lower dashboard, near the steering column. You will likely need to remove the plastic knee bolster panel to access it.
What happens if I forget to provide my VIN?
Providing your VIN is essential for the programming service. We cannot ship the module until we receive your VIN, as the programming makes the part compatible with your vehicle’s specific options and security system. We will contact you after your purchase to get this information.
Will this fix my ‘Service Security System’ light?
In many cases, yes. The BCM is a core part of the Passlock/Passkey security system. A failing BCM is a very common cause of security system warnings and no-start conditions related to security.
Do I need special tools for the post-installation procedures?
Yes, for the airbag system reset (‘Setup SDM Primary Key’), you will need a professional-grade bidirectional scan tool that can perform this specific GM function. Many advanced DIY tools and any professional mechanic’s scanner will have this capability.