Programmed 2008-2012 Express 1500 Van Body Control Module BCM 20921436

End Your Van’s Electrical Gremlins

Tired of flickering lights and failing power accessories in your 2008-2012 Express 1500? This Body Control Module (BCM) is the permanent fix. It arrives pre-programmed to your van’s specific VIN, eliminating the need for expensive dealership programming. Restore full functionality and reliability to your vehicle’s electronics with this direct-fit solution. Order now to get your van back in dependable working order!

$224.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 591-01465-890 Categories: ,
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Restore Your Van’s Electrical System with a Pre-Programmed BCM

Is your 2008-2012 Chevy Express 1500 Van suffering from baffling electrical problems? Flickering lights, malfunctioning power windows or locks, or a security system that has a mind of its own are common signs of a failing Body Control Module (BCM). The BCM is the central command center for your van’s body electronics, and when it fails, it can cause a cascade of frustrating issues. This isn’t just an inconvenience; it can impact safety features and your ability to rely on your vehicle for work or travel. We offer a direct, reliable solution: a replacement Express 1500 Body Control Module, delivered to your door already programmed to your specific vehicle.

Forget expensive dealership visits and the hassle of coordinating programming. Simply provide us with your van’s VIN during checkout, and our technicians will flash this module with the latest GM software updates specific to your vehicle. This ensures seamless integration and restores factory functionality right out of the box. You get a dependable part that’s ready for installation, saving you significant time and money.

Case Study: A Tricky Diagnosis

I remember a 2011 Express 1500 that came into my shop. The owner, a plumber, was at his wit’s end. His interior lights would stay on, draining the battery overnight, and the power door locks worked intermittently. He’d already replaced the battery and checked all the fuses. A scan showed a handful of communication codes (U-codes) pointing to a network issue. After isolating other modules, we confirmed the BCM was the culprit—likely due to internal corrosion, a common issue in work vans exposed to moisture. Instead of a costly trip to the dealer for a new module and programming, we installed one of our pre-flashed units. The total time from diagnosis to fix was under two hours, getting his work van back on the road and earning money the same day.

Is Your Express Van Showing These Symptoms?

A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, your Express 1500 Body Control Module is the likely cause:

  • ✔ Erratic or non-functional power windows, door locks, or mirrors.
  • ✔ Interior or exterior lights that flicker, stay on, or don’t work at all.
  • ✔ The security system or keyless entry failing to operate correctly.
  • ✔ Unexplained warning lights on the dashboard (like the airbag or security light).
  • ✔ Communication Diagnostic Trouble Codes (DTCs) such as U0140, U0155, or other U-codes indicating loss of communication with other modules.
  • ✔ Horn not working or sounding randomly.

A Straightforward Guide to Installation

Installing your new BCM is a manageable task for a confident DIYer or any professional mechanic. For the Express Van, the BCM is typically located in the center dash area.

  1. Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
  2. Access the Module: Carefully remove the necessary dash trim panels to gain access to the BCM. On most Express vans, this is in the center dash or near the passenger side footwell.
  3. Disconnect and Remove: Unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the old module and remove it from the vehicle.
  4. Install the New BCM: Mount your new, pre-programmed BCM in the same location and securely reconnect all the electrical connectors.
  5. Reconnect Power: Reattach the negative battery terminal.
  6. Perform Final Checks: Start the vehicle and test all body functions—lights, locks, windows, horn, etc. Note that some models may require the post-installation procedures listed below.

Important Post-Installation Notes

While this module is programmed for your VIN, certain vehicle systems may require a ‘handshake’ procedure after installation. This is normal. The most common are:

  • Airbag System Sync: If your airbag warning light is illuminated after installation, a professional scan tool is needed to perform the “Setup SDM Primary Key in BCM” procedure. This syncs the new BCM with the airbag system.
  • Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be required to ensure correct brake light and traction control operation.

Disclaimer: Vehicle systems vary. Always refer to a factory service manual or consult a qualified technician for procedures specific to your vehicle.

Verified Vehicle Compatibility

This BCM is a direct replacement for a wide range of GM vehicles and part numbers. Please verify your vehicle is on this list and that your original part number is listed below. The primary focus of this listing is the 2008-2012 Express 1500 Body Control Module.

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, 25847588, 25847589, 25892622, 25910474, 25934762, 25934763, 95151084

Fits Models Including:
ACADIA 07-12, 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

Frequently Asked Questions

Do I need to get this BCM programmed by a dealer?

No. We program the module to your vehicle’s VIN before shipping it to you. It arrives ready to be installed, saving you the time and expense of a dealership visit.

Where do I find my VIN?

Your 17-digit Vehicle Identification Number (VIN) can be found on your vehicle’s registration, insurance card, or on a plate on the driver’s side dashboard visible through the windshield.

Is this a guaranteed fix for my problem?

This BCM will fix problems directly caused by a faulty module. While the symptoms listed are very common for BCM failure, we always recommend a proper diagnosis by a qualified mechanic to rule out other issues like wiring or sensor faults.

What is a core charge?

A core charge is a deposit that is returned when you send back your old part. We do not have a core charge for this item, so you can keep your original module.

What if the airbag light comes on after I install it?

This is a normal possibility. It means the new BCM needs to be electronically introduced to the airbag system. This procedure, called “Setup SDM Primary Key in BCM,” requires a professional-grade scan tool but is a quick process for any repair shop.

Will this fit other GM vehicles besides the Express Van?

Yes, this part fits a very wide range of GM cars, trucks, and SUVs. Please see our detailed “Verified Vehicle Compatibility” section and cross-reference your vehicle and original part number to ensure a perfect match.

Genuine OEM

Yes

Condition

Refurbished

MPN

20921436

Interchange part number

PartNumber

591

Model

EXPRESS 1500 VAN

Year

2013

Brand

GM

Manufacturer Part Number

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