Restore Full Functionality to Your GM Van
Is your Savana 3500 acting possessed? Flickering dash lights, power windows and locks with a mind of their own, or a security system that randomly prevents you from starting the engine are all 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 goes, it can cause a cascade of frustrating and unpredictable problems. This isn’t just an inconvenience; it can affect your work, safety, and daily operations. Don’t let electrical gremlins sideline your van. This replacement Body Control Module is the reliable, straightforward solution you need.
We make this repair easier and more affordable than a trip to the dealership. Each module is professionally programmed with the latest GM software updates, matched specifically to your vehicle’s VIN. This means it arrives at your door ready for installation, eliminating the need for expensive programming services. Simply provide your VIN after purchase, and we’ll handle the rest, ensuring a perfect match for your vehicle’s specific options and configuration.
A Technician’s Notebook
I recently had a 2011 Savana 3500 work van in the shop that was a diagnostic nightmare for the owner. The radio would turn on and off, the interior dome lights wouldn’t work, and worst of all, the anti-theft system would engage randomly, leaving the driver stranded. He had already replaced the battery and checked fuses. After connecting my scan tool, I saw multiple ‘U’ codes, specifically a U0140 – Lost Communication With Body Control Module. This pointed directly to a faulty BCM. Instead of a costly dealer part and programming, we installed one of these VIN-programmed units. The install took less than an hour, and all the bizarre electrical issues were gone instantly. It’s a first-time fix that gets work vans back on the road, earning money.
Common Signs of a Failing BCM
If you’re experiencing any of the following, a faulty BCM is the likely culprit. Replacing your 2008-2012 Savana 3500 BCM can resolve these issues:
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Erratic behavior from the radio or interior/exterior lighting.
- ✔ The security or anti-theft light stays on, preventing the engine from starting.
- ✔ False warnings on the instrument cluster (e.g., ‘door ajar’ light).
- ✔ Communication error codes, such as U0140, stored in other modules.
- ✔ Inconsistent A/C and heater blower motor operation.
A Straightforward Guide to Installation
For the confident DIYer or professional technician, installing this BCM is a manageable job. In most Savana and Express vans, the BCM is located in the center dash area.
- Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- Access the Module: Carefully remove the necessary dash panels to gain access to the BCM. It’s typically mounted with a few small bolts or clips.
- Disconnect and Remove: Gently unplug the electrical connectors from the old BCM. Pay attention to the locking tabs on each connector to avoid damage. Once disconnected, remove the old module.
- Install the New BCM: Mount the new, pre-programmed BCM in the same location and reconnect all the electrical connectors securely.
- Post-Installation Steps: Reconnect the battery. Start the vehicle and test all functions (windows, locks, lights, etc.). Note that some vehicles may require the additional procedures listed below.
Important Post-Installation Information
While this module is programmed to your VIN, certain vehicle systems may require a ‘handshake’ with the new BCM. This is normal and can often be performed with a capable bi-directional scan tool.
- ✔ Airbag System Sync: If the airbag light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed to sync the systems. This is a safety requirement and must be done with a professional diagnostic tool.
- ✔ Brake Pedal Position Relearn: On some models, a brake pedal position sensor relearn may be necessary to ensure brake lights and traction control function correctly.
- ✔ No Core Charge: You are not required to return your old module. This saves you the time and expense of a core return.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual or consult a qualified technician if you are unsure about any step.
Guaranteed Vehicle Compatibility
This module is a direct replacement for part number 95151084 and a wide range of other GM part numbers. It is guaranteed to fit the following vehicles, among others:
SAVANA 1500 VAN 2008-2012
SAVANA 2500 VAN 2008-2012
SAVANA 3500 VAN 2008-2012
Chevrolet Express Vans:
EXPRESS 1500 VAN 2008-2012
EXPRESS 2500 VAN 2008-2012
EXPRESS 3500 VAN 2008-2012
This module also fits a wide variety of other GM cars, trucks, and SUVs including the Acadia, Enclave, Traverse, Tahoe, Yukon, Escalade, Impala, and more. Please verify your original part number against the comprehensive list provided: 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 do any programming myself?
No. We program the module to the VIN you provide before shipping. It arrives ready to be installed, saving you a trip to the dealer.
Is this a difficult part to replace?
For someone with moderate mechanical skill, it’s a very manageable job. The main challenge is typically accessing it within the dashboard. No special tools are usually required for the removal and replacement itself.
What if my original part number isn’t 95151084?
This module replaces a long list of interchangeable GM part numbers. As long as your original part number is on our compatibility list, this module will work perfectly for your vehicle.
What does ‘No Core Charge’ mean?
It means you don’t have to send your old, broken BCM back to us. You can keep it or dispose of it yourself, which saves you money on a core deposit and return shipping.
Will this fix my ‘Service Theft Deterrent System’ message?
Yes, a faulty BCM is one of the most common causes of security system errors and no-start conditions in these GM vans. Replacing it with our pre-programmed unit is a very effective solution for this specific problem.