If you’re dealing with bizarre electrical issues in your 2008-2012 GMC Savana 1500 Van—like power windows with a mind of their own, flickering interior lights, or a security system that randomly immobilizes your vehicle—you’re not alone. These frustrating and often intermittent problems are classic signs of a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, when the BCM starts to go, it can feel like your van is haunted. This isn’t just an annoyance; for a work van, it can mean lost time and money.
This is the reliable, straightforward solution you’ve been looking for. We offer a genuine replacement BCM, part number 15828601, that arrives at your door fully programmed to your van’s specific Vehicle Identification Number (VIN). Simply provide us with your VIN after purchase, and our technicians will flash the module with the latest GM software updates. This means no expensive trip to the dealership for programming, saving you hundreds of dollars and significant downtime.
Case Study: The Ghost in the Work Van
I remember a 2011 Savana that came into my shop belonging to a local electrician. His complaint was a laundry list of electrical gremlins: the dome light would stay on, the radio would cut out, and occasionally, the power door locks wouldn’t respond. He’d already replaced the battery and checked grounds. After hooking up my scan tool, I found a slew of ‘Lost Communication with BCM’ codes (U0140). The problem was internal corrosion on the BCM circuit board, a common issue in work vans that see a lot of moisture and temperature swings. We swapped in a VIN-programmed BCM, and in under an hour, every single issue was resolved. He was back on the job the same afternoon, a testament to how effective this direct-fit solution is.
Is Your GM Vehicle Showing These Symptoms?
- âś” Erratic power windows, door locks, or mirrors.
- âś” Interior or exterior lights that flicker, stay on, or don’t work at all.
- âś” The security system light is on, or the vehicle won’t start due to a false theft alert.
- âś” The horn honks unexpectedly or doesn’t work.
- âś” Communication error codes stored in the system, such as U0140, U0155, or B1001.
- âś” Wipers operating incorrectly or not parking in the correct position.
A Straightforward Guide to Your BCM Installation
Replacing the BCM in your Savana is a manageable job for a DIYer with basic tools. The BCM is typically located in the center dash area.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait 10-15 minutes for the system capacitors to discharge.
- Locate the Module: On the 2008-2012 Savana 1500 Van, the BCM is usually found behind the lower center instrument panel trim. You may need to remove a few trim panels for access.
- Disconnect and Remove: Carefully 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 from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed BCM in place and securely reconnect all electrical connectors. Ensure they click into place.
- Reconnect Power: Reattach the negative battery terminal.
- Perform Relearn Procedures: Start the vehicle. As noted below, you may need to perform a Brake Pedal Position relearn or an Airbag System sync if related warning lights appear. Test all body functions (lights, locks, windows, etc.) to confirm the repair.
Important Post-Installation Information
While our programming handles the heavy lifting, some vehicle systems may require a final handshake with the new BCM. Please be aware of the following potential procedures:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ function. This is only required if the light is on.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be needed to ensure correct brake light and stability control operation.
Disclaimer: Specific procedures can vary by vehicle. Always consult a factory service manual or a qualified technician for guidance.
Guaranteed Vehicle Compatibility
This module is a direct replacement for part number 15828601 and is also interchangeable with the following part numbers: 10382479, 15093910, 15276271, 15299986, 15819552, 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.
It is designed to fit a wide range of GM vehicles, including but not limited to:
Frequently Asked Questions
Frequently Asked Questions
Do I need to send my original BCM to you?
No, this is not a repair service for your old part. We program a replacement BCM using the VIN you provide and ship it to you. We do not require your original module (core).
Is this really plug-and-play?
Yes, for the vast majority of functions. Our VIN programming configures the module specifically for your vehicle’s options. However, as mentioned, certain safety systems like the airbag or brake pedal sensor may require a simple relearn procedure with a capable scan tool after installation.
What happens to my old BCM?
This is a cloning service, which means we send you a programmed replacement and your original module is always returned to you along with the new unit. We do not keep your core.
How do I find my vehicle’s VIN?
Your 17-digit VIN can be found on your vehicle’s registration, insurance card, or on a placard on the driver’s side of the dashboard visible through the windshield.
Will this 2008-2012 Savana 1500 BCM fix my no-start problem?
It can. A failing BCM can incorrectly activate the vehicle’s anti-theft system (PassLock/PassKey), preventing the engine from starting. If you have a security light on and other strange electrical issues, the BCM is a very likely culprit.