Restore Your Van’s Electrical Functions and Reliability
Is your 2008-2012 Chevy Express 3500 Van acting possessed? Flickering lights, power windows with a mind of their own, or a security light that won’t turn off are classic signs of a failing Body Control Module (BCM). As the central command for your vehicle’s body electronics, a faulty BCM can cause a cascade of frustrating and unpredictable problems. This isn’t just an annoyance; for a work van, it’s a reliability issue that can cost you time and money. This replacement BCM is the definitive solution, arriving pre-programmed to your van’s specific VIN for a straightforward installation.
A Technician’s Notebook: The Case of the Erratic Work Van
A contractor brought his Express 3500 into my shop, completely fed up. The dome lights would stay on, draining the battery overnight, and the power door locks worked only when they felt like it. He’d already replaced the battery twice. A scan showed a handful of communication codes, all pointing to the BCM. The culprit was water intrusion from a leaky windshield cowl seal that had dripped directly onto the module, causing internal corrosion. We replaced it with a VIN-programmed unit just like this one. The install took less than an hour, and all the bizarre electrical gremlins were gone instantly. It’s a common failure point, and a pre-programmed module is the fastest way to get a work vehicle back on the road and earning money.
Is Your Vehicle Showing These Symptoms?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s highly likely your BCM is the root cause:
- ✔ Erratic or non-functional interior/exterior lights.
- ✔ Power windows, locks, or mirrors operating intermittently or not at all.
- ✔ Vehicle security system faults or anti-theft light staying on.
- ✔ Horn sounding unexpectedly or not working.
- ✔ False warnings on the instrument cluster (e.g., “Door Ajar”).
- ✔ Communication error codes, such as U0140, U0155, or other U-codes.
- ✔ Intermittent no-start condition where the engine cranks but won’t fire up.
A Straightforward Guide to Installation
Installing your new 2008-2012 Express 3500 BCM is a job most DIYers or any professional mechanic can handle. Since we program the module to your VIN before shipping, you can skip the expensive trip to the dealership for programming.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure all systems are powered down.
- Locate the BCM: On the Express and Savana vans, the BCM is typically located in the center dash area, often accessible by removing the lower dash panels or glove box.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old module. Note their orientation. Then, unbolt or unclip the old BCM from its mounting bracket.
- Install the New BCM: Mount the new module in the same location and securely reconnect all electrical connectors. Ensure they click into place.
- Reconnect Power: Reattach the negative battery terminal. The vehicle will now power up with the new, pre-programmed BCM.
- Perform Relearns (If Needed): Start the vehicle. In some cases, you may need to perform a post-installation procedure like an Airbag System Sync or Brake Pedal Position Relearn if related warning lights appear.
Important Post-Installation Information
While this module is designed for a simple swap, some GM vehicles require a ‘handshake’ between modules after installation. Be aware of these potential steps:
- ✔ Airbag System Sync: If the airbag light is on after installation, a scan tool procedure called “Setup SDM Primary Key in BCM” is required to sync the modules. This is a safety system check and must be performed if the light is illuminated.
- ✔ Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be needed to ensure correct brake light and stability control operation.
- ✔ No Core Charge: You are not required to return your old, faulty module. This saves you the hassle and cost of a core return.
Will This Fit My Vehicle?
This Body Control Module is a direct replacement for a wide range of General Motors vehicles and is compatible with numerous original part numbers. Please verify your vehicle and part number against the list below to ensure proper fitment.
This module 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
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
EXPRESS 3500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
IMPALA 06-12 Body Control (BCM); (LH dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
ACADIA 07-12 Body Control (BCM); (LH dash)
MONTE CARLO 06-07 Body Control (BCM); (LH steering column)
TAHOE 10 Body Control (BCM); (under steering column), ID 25892622
TRAVERSE 09-12 Body Control (BCM); (LH dash)
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
YUKON 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 2500 VAN 11-12 Body Control (BCM); (center dash)
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 20815898
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921435
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 22860591
DTS 06-11 Body Control (BCM); (RH center dash)
OUTLOOK 07-10 Body Control (BCM); (center dash)
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE EXT 10 Body Control (BCM); (under steering column), ID 25892622
SAVANA 1500 VAN 08-12 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 11-12 Body Control (BCM)
EXPRESS 1500 VAN 08-12 Body Control (BCM); (center dash)
STS 10 Body Control (BCM); center dash
SAVANA 3500 VAN 08-09 Body Control (BCM); (center dash)
TORRENT 07-09 Body Control (BCM); (center dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6.0L
TAHOE 10 Body Control (BCM); (under steering column), ID 20815898
CTS 08-13 Body Control (BCM); LH dash
CAPTIVA SPORT 12 Body Control (BCM); (center dash), ID 20921436
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 6.0L
G8 08-09 Body Control (BCM); (center dash)
IMPALA 13 Body Control (BCM); (LH dash), ID 22820315
SUBURBAN 1500 10 Body Control (BCM); (under steering column), ID 20815898
AVALANCHE 1500 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 4.8L
EXPRESS 2500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
YUKON 10 Body Control (BCM); (under steering column), ID 20815898
ESCALADE 10 Body Control (BCM); (under steering column), ID 25892622
LUCERNE 06-11 Body Control (BCM); (right side dash)
CTS 08 Body Control (BCM); RH dash
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 25892622
EXPRESS 3500 VAN 10 Body Control (BCM); (center dash), 4.8L
SAVANA 2500 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
YUKON XL 1500 10 Body Control (BCM); (under steering column), ID 25892622
ESCALADE 10 Body Control (BCM); (under steering column), ID 20815898
SRX 07-09 Body Control (BCM); LH dash
ESCALADE ESV 10 Body Control (BCM); (under steering column), ID 20815898
EXPRESS 3500 VAN 11-12 Body Control (BCM)
HUMMER H2 08-09 Body Control (BCM); (LH firewall)
SAVANA 3500 VAN 11-12 Body Control (BCM)
VUE 08-10 Body Control (BCM); (center dash)
CAPRICE 11-13 Body Control (BCM)
ENCLAVE 08-12 Body Control (BCM); (LH dash)
EXPRESS 2500 VAN 08-09 Body Control (BCM); (center dash)
SAVANA 2500 VAN 10 Body Control (BCM); (center dash), 6.6L, VIN 6 (8th digit, opt LMM)
Frequently Asked Questions
Frequently Asked Questions
Do I need to do any programming myself?
No. We handle all the programming before we ship the part. Simply provide your vehicle’s VIN at checkout, and we will flash the module with the latest GM software specific to your vehicle.
Is this part difficult to install?
For most individuals with basic mechanical skills, this is a straightforward replacement. It involves removing a few dash panels to access the module and swapping the electrical connectors. No special tools are typically required.
What does ‘No Core Charge’ mean?
It means you do not have to send your old, broken BCM back to us. You can keep it, recycle it, or dispose of it yourself, which saves you the cost and hassle of return shipping.
What if my airbag light comes on after I install it?
This is a normal possibility. The new BCM needs to be electronically introduced to the airbag’s computer (SDM). A repair shop with a professional bidirectional scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the systems and turn off the light.
Will this fix my specific electrical problem?
This module is the solution for a wide range of issues controlled by the BCM, including lights, locks, windows, and security systems. The symptoms listed on this page are the most common indicators of a failing BCM.