Restore Your Van’s Electrical System with a Hassle-Free Solution
Is your 2008-2012 Express 3500 Van suffering from bizarre electrical issues? Flickering lights, malfunctioning power windows and locks, or a security light that won’t turn off are classic signs of a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it fails, it can cause a cascade of frustrating and hard-to-diagnose problems. This isn’t just an inconvenience; for a workhorse like an Express Van, it’s downtime that costs you money. This replacement BCM, complete with our professional cloning service, is the most direct and reliable way to get your vehicle back in service without expensive dealership programming.
A Technician’s Notebook
I remember a plumbing contractor’s 2011 Express 3500 that came into my bay with a list of gremlins that seemed unrelated. The dome lights would stay on, the driver’s power window worked intermittently, and sometimes the van wouldn’t start, with only a click from the starter relay. The owner had already replaced the battery and checked fuses. After hooking up my scan tool, I found multiple ‘U’ codes, indicating a loss of communication between modules. The culprit was the BCM, which had suffered from internal corrosion—a common issue on work vans that see a lot of moisture. Instead of a costly new module and programming fees at the dealer, we used a cloning service. We had his original data transferred to a quality replacement unit, and he was back on the road the next day, problem solved. This 2008-2012 Express 3500 BCM service provides that same reliable, efficient fix.
Is Your Van Showing These Electrical Gremlins?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, your BCM is the likely cause:
- ✔ Erratic or non-working power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that won’t turn on or off.
- ✔ The security or anti-theft system light is illuminated, preventing the engine from starting.
- ✔ The dashboard warning lights flicker randomly.
- ✔ Your key fob has stopped working.
- ✔ Communication Diagnostic Trouble Codes (DTCs) like U0140, U0155, or other U-series codes are present.
- ✔ The radio or climate control display is acting strange.
How Our Plug-and-Play Cloning Service Works
Forget about towing your van to the dealership. Our cloning service makes this repair simple. After your purchase, you send us your original BCM. We then perform a professional data transfer, copying your van’s exact VIN, mileage, and key-related information to this replacement module. This process ensures that the new BCM is a perfect electronic match for your vehicle. We then ship both your original module and the ready-to-install replacement back to you. The result is a true plug-and-play part that requires no further programming.
Your Straightforward BCM Installation Guide
Installing your newly programmed 2008-2012 Express 3500 BCM is a job most DIYers or any professional mechanic can handle with basic tools.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
- Locate the BCM: In most Express and Savana vans, the BCM is located in the center dash area, often accessible by removing lower dash panels.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the Replacement: Mount the new, programmed BCM in the same location and securely reconnect all electrical connectors. You should hear a click as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all functions: lights, locks, windows, radio, etc., to confirm the repair was successful.
Important Post-Installation Information
While our cloning service makes this a plug-and-play repair, some GM vehicles may require a simple relearn procedure after the BCM is replaced. Please be aware of the following:
- Airbag System Sync: If your airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure may be needed. This requires a professional-grade scan tool to sync the modules and is only necessary if the light appears.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration might be required to ensure proper brake light and traction control operation.
- Your Original Module: We always return your original BCM along with the programmed replacement. We do not keep customer cores.
Disclaimer: Vehicle systems vary. Always consult a factory service manual or a qualified technician if you are unsure about any step.
Verified Vehicle Compatibility
This module is a direct replacement for part number 20864767 and is interchangeable with a wide range of other part numbers. It is guaranteed to fit the following vehicles, among others. Please match your part number or contact us with your VIN to confirm compatibility.
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, 20921436, 22860591
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 or 25892622
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898 or 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 08-12 Body Control (BCM)
EXPRESS 3500 VAN 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)
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 08-12 Body Control (BCM)
SAVANA 3500 VAN 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), ID 20815898 or 25892622
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898 or 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 or 25892622
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898 or 25892622
Frequently Asked Questions
Frequently Asked Questions
2008-2012 Express 3500 BCM
Is this a guaranteed fix for my vehicle’s electrical problems?
This part will fix any issues directly caused by a faulty BCM. The symptoms we’ve listed are the most common indicators of BCM failure. If your vehicle has been properly diagnosed with a bad , this is the correct solution.