Is Your Savana Van Plagued by Electrical Gremlins?
If you’re dealing with flickering lights, malfunctioning power windows or locks, or strange warning messages on your dash, a failing Body Control Module (BCM) is likely the culprit. The BCM is the central command center for your 2008-2012 GMC Savana 2500’s body electronics. When it fails, it can cause a wide range of frustrating and unpredictable issues that can take your work van off the road. This isn’t just an inconvenience; it’s a hit to your productivity.
From the Diagnostic Bay
We had a contractor’s 2011 Savana 2500 in the shop that was driving him crazy. The interior lights would stay on, draining the battery overnight. Then, the power door locks started working intermittently. He’d already replaced the battery and checked fuses, but the problems persisted. After connecting our diagnostic tool, we saw multiple communication codes pointing to a single source: a faulty BCM. We installed a VIN-programmed module, and all the bizarre electrical issues vanished instantly. It’s a common story for these hard-working vans.
Symptoms of a Failing Savana 2500 Body Control Module
- ✔ Power windows, mirrors, or door locks not working or operating erratically.
- ✔ Interior or exterior lights staying on, not turning on, or flickering.
- ✔ The security system acting up, or the vehicle not starting due to a security fault.
- ✔ Inaccurate gauge readings on the instrument cluster.
- ✔ Warning lights (like Airbag or ABS) appearing on the dash for no reason.
- ✔ Communication errors when trying to scan the vehicle with a diagnostic tool.
The Direct-Fit, Programmed Solution
Don’t let a faulty BCM disrupt your work. This is a direct replacement Body Control Module for your Savana van, and it comes pre-programmed to your vehicle’s specific VIN. This crucial step ensures that all the electronic features and security systems in your van communicate correctly with the new module. We flash it with the latest GM software updates before it ships, so you’re getting a component that’s ready for installation right out of the box. No expensive trip to the dealership for programming is required.
Post-Installation Requirements
While this module is VIN-programmed for your vehicle, some systems may require a ‘handshake’ procedure after installation. This is standard for many modern vehicle repairs. You may need a professional scan tool to perform:
- Airbag System Sync: If your airbag light is on after installation, a simple ‘Setup SDM Primary Key in BCM’ procedure is needed to sync the systems.
- Brake Pedal Position Relearn: To ensure proper brake light and traction control function, a brake pedal position sensor relearn might be necessary.
Always consult a factory service manual or a qualified technician for vehicle-specific procedures.
Guaranteed Fitment for Part Number 25826124 and more:
This module is a direct replacement for a wide range of part numbers. Please verify your original part number against this list:
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
Frequently Asked Questions
Do I need to get this BCM programmed by a dealer?
No. We handle the programming for you before we ship the part. Simply provide us with your vehicle’s VIN during or after checkout, and we’ll flash the module with the latest GM software specific to your van.
How do I find my original BCM part number?
The part number is printed on a sticker on the case of your original BCM. The location varies, but on most Savana and Express vans, it’s located in the center dash area.
What happens if my airbag light is on after I install this?
This is a common and expected possibility. It means the new BCM needs to be electronically introduced to the airbag system’s computer (SDM). A technician with a professional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Is this a difficult part to replace myself?
For someone with moderate mechanical skill, replacing the BCM is very achievable. It typically involves removing a few dash panels to access the module, unplugging the electrical connectors, and swapping the unit. The most important part is being prepared for potential post-installation relearn procedures.
Is there a core charge for my old part?
No, there is no core charge for this part. You can keep your original module.