Restore Your Vehicle’s Electrical System with a Plug-and-Play Solution
Are you dealing with baffling electrical issues in your GM vehicle? Flickering lights, malfunctioning power windows or locks, a security system that has a mind of its own, or even a car that refuses to start can all point to a single culprit: a failing Body Control Module (BCM). As the central command for your vehicle’s body electronics, a faulty BCM can create a cascade of frustrating and hard-to-diagnose problems. This isn’t just an inconvenience; it can affect your vehicle’s safety and reliability. Stop chasing electrical gremlins and get a definitive fix with our professionally programmed BCM.
We take the guesswork and high cost out of the repair process. Unlike a trip to the dealership, which involves expensive diagnostic fees and programming charges, our service provides a direct-fit replacement Programmed GM BCM that arrives ready for installation. Simply provide your vehicle’s VIN during checkout, and our technicians will flash the module with the latest GM software specific to your car or truck. This ensures seamless integration and restores all functions as the factory intended.
Case Study: A Tricky Diagnosis
I remember a 2008 Chevy Impala that came into my shop with a classic “ghost” problem. The owner had already replaced the battery and alternator, yet the car would intermittently fail to start, and the dash lights would flicker wildly. A standard code scan showed a slew of communication errors (U-codes). Instead of just throwing more parts at it, we focused on the network’s hub—the BCM. We found that the BCM was failing to properly go to ‘sleep,’ causing a parasitic drain that killed the battery overnight and disrupted communication between modules. Installing a new, properly Programmed GM BCM didn’t just fix the no-start condition; it resolved all the phantom electrical issues in one go.
Is Your Vehicle Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, this module is likely the solution you need:
- ✔ 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 light is on, or the alarm goes off randomly.
- ✔ Instrument cluster gauges behaving erratically or not working.
- ✔ A no-start condition where the engine cranks but won’t fire up.
- ✔ Diagnostic trouble codes related to communication loss (e.g., U0140, U0155) or internal module failure.
- ✔ Inconsistent operation of the heating and A/C blower motor.
A Straightforward Guide to Installation
Replacing your BCM is a manageable job for a confident DIYer. With our pre-programmed module, you skip the most complicated step. Follow this general process:
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes for the system to discharge completely.
- Locate the BCM: On most compatible models, the BCM is located under the driver’s or passenger’s side of the dashboard, often near the steering column or behind the glove box. Check your service manual for the exact position.
- Swap the Module: Carefully unplug all electrical connectors from the old BCM. They use locking tabs, so be gentle. Unbolt or unclip the old module and remove it. Mount the new BCM in its place.
- Reconnect and Power Up: Firmly plug all connectors into your new BCM. Reconnect the negative battery terminal.
- Perform Relearn Procedures: Start the vehicle. In some cases, you may need to perform additional relearn procedures as noted below. For many vehicles, no further action is needed.
Important Post-Installation Information
While our Programmed GM BCM is designed for easy installation, some vehicle systems may require recalibration after the new module is installed. This is normal and ensures all related components communicate correctly.
- Airbag System Sync: If your airbag/SRS warning light is illuminated after installation, a “Setup SDM Primary Key in BCM” procedure is necessary. This requires a professional-grade scan tool to sync the BCM with the airbag system. This is only required if the light is on.
- Brake Pedal Position Relearn: On certain models, a brake pedal position sensor relearn might be required to ensure correct brake light and traction control operation.
- No Core Charge: You are not required to return your old BCM. There is no core charge or deposit associated with this purchase.
Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a certified technician if you are unsure about any step of the process.
Will This Fit My Vehicle?
This BCM, part number 15880684, is a direct replacement for a wide range of General Motors vehicles and interchanges with numerous part numbers. Please verify your vehicle is on the list below. If you have questions, contact us with your VIN.
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
This module is a direct replacement for 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.
How does the VIN programming work?
How does the VIN programming work?
After you complete your purchase, you will need to provide us with your 17-digit Vehicle Identification Number (VIN). Our technicians use this VIN to load the exact software and calibrations your vehicle requires, ensuring it works correctly right out of the box.
Do I need any special tools for installation?
Basic hand tools (like a socket set and screwdrivers) are typically all that’s needed for the physical installation. However, as mentioned, a professional scan tool may be required for post-installation procedures like the airbag system sync or brake sensor relearn, if those warning lights appear.
Is there a core charge? Do I have to send my old part back?
No, there is absolutely no core charge. You can keep your old module, recycle it, or dispose of it as you see fit.
Will this fix my specific problem?
This BCM is the definitive solution for failures within the module itself. While the symptoms listed are strong indicators of a bad BCM, we always recommend a proper diagnosis by a qualified mechanic to rule out other issues like wiring faults or bad sensors before ordering.