Is your Chevrolet Express or GMC Savana van plagued by frustrating electrical problems? If you’re dealing with erratic power windows, malfunctioning lights, or a dashboard that has a mind of its own, a failing Body Control Module (BCM) is the most likely culprit. This module acts as the central nervous system for your van’s body electronics, and when it fails, it can cause a wide range of confusing symptoms. This replacement Body Control Module is the definitive solution, arriving at your door pre-programmed with the latest GM software specifically for your vehicle’s VIN.
From the Diagnostic Bay
We had a 2011 Express 3500 work van come into the shop that was driving the owner crazy. The radio would turn on and off randomly, the dome light wouldn’t work, and the power locks were completely unresponsive. The driver thought he had multiple separate issues, but a scan pointed directly to a communication failure with the BCM. Instead of a complicated and expensive diagnostic chase, we installed a VIN-programmed BCM like this one. In under an hour, all the strange electrical gremlins were gone, and the van was back on the road, fully functional. It’s a common failure point, but thankfully, a straightforward fix.
Solution for Your 2008-2012 Express 3500 BCM
Don’t let a faulty BCM disrupt your work or travel. Our service eliminates the guesswork and the need for expensive dealership programming. Simply provide your vehicle’s VIN during checkout, and our technicians will flash the module before it ships. This ensures that when you receive the part, it’s ready for installation, communicating perfectly with the other modules in your van. This module is a direct replacement for a wide range of part numbers, including 15872388, 25892622, and 22860591, guaranteeing compatibility.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-functional power windows, mirrors, and door locks.
- ✔ Headlights, taillights, or interior lights behaving erratically or not working at all.
- ✔ The security system preventing the vehicle from starting (Service Theft System light).
- ✔ Inaccurate or dead gauges on the instrument cluster.
- ✔ Warning lights (like ABS or Airbag) staying on for no reason.
- ✔ HVAC or climate control system not responding to commands.
Installation and Post-Install Notes
Installation is typically straightforward, as the BCM is often located in the center dash area on Express and Savana vans. After installing your new 2008-2012 Express 3500 BCM, a couple of relearn procedures may be necessary depending on your vehicle’s specific configuration. If the airbag light appears, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. Additionally, a ‘Brake Pedal Position Relearn’ might be required to ensure correct brake light and traction control operation. These are standard procedures when replacing a BCM.
Frequently Asked Questions
What is a Body Control Module (BCM)?
The BCM is a computer in your vehicle responsible for managing and controlling electronic accessories not related to the engine, such as power windows, locks, lights, wipers, and the security system.
Why do you need my VIN number?
We require your Vehicle Identification Number (VIN) to program the BCM with the correct software and settings for your specific vehicle’s options. This makes the installation process much simpler and avoids a costly trip to the dealership.
Is this a plug-and-play part?
Yes, because we pre-program the module to your VIN, it is designed to be a plug-and-play installation. However, as with any BCM replacement, some vehicles may require minor relearn procedures for systems like the airbags or brake sensor, which may require a professional scan tool.
Will this fix my ‘Service Theft System’ light?
In many cases, yes. A failing BCM is a very common cause of security system issues and a no-start condition. Replacing it with a properly programmed module often resolves these problems.
Do I need to return my old BCM?
No, there is no core charge for this part. You can keep your original module.