Is Your GMC Savana Experiencing Electrical Gremlins?
If your 2008-2012 GMC Savana 1500 is suffering from bizarre electrical issues like flickering lights, malfunctioning power windows, or a security system that has a mind of its own, a failing Body Control Module (BCM) is the most likely culprit. The BCM acts as the central hub for your van’s body electronics, controlling dozens of functions that you rely on every day. When it starts to fail, it can cause a cascade of frustrating and unpredictable problems, making your reliable workhorse feel unreliable.
Common Symptoms of a Failing BCM
- ✔ Erratic or non-functional interior and exterior lights (headlights, dome lights, turn signals).
- ✔ Power windows, door locks, or mirrors working intermittently or not at all.
- ✔ The security system or keyless entry failing to operate correctly.
- ✔ The horn sounding randomly or not working when needed.
- ✔ False warning lights appearing on the instrument cluster (e.g., “Service Airbag”).
- ✔ Rapid battery drain while the vehicle is parked.
- ✔ Wipers or radio behaving erratically.
From the Diagnostic Bay
We had a contractor bring in his 2011 Savana 2500, a nearly identical setup. His complaint was that the interior cargo lights would flicker constantly, and sometimes the power door locks would cycle on their own while driving. He’d already replaced the battery and checked all the fuses. After connecting our diagnostic tool, we saw multiple communication error codes pointing towards the BCM. Instead of a costly and time-consuming repair at the dealership, we installed one of our VIN-programmed modules. The entire job took less than an hour, and all the strange electrical issues were gone. He was back on the road to his next job site the same day.
A True Plug-and-Play Solution: Your Savana 1500 Body Control Module
Forget expensive dealership visits and the hassle of finding a shop that can program a new module. We eliminate the guesswork by programming this replacement Savana 1500 Body Control Module specifically for your vehicle before it ever leaves our facility. Simply provide us with your vehicle’s VIN during checkout, and our technicians will flash the unit with the latest GM-certified software and calibrations unique to your van. This ensures that when you receive the part, it’s ready for a straightforward installation, restoring all factory functions precisely as intended.
Installation and Post-Install Procedures
The BCM on the Savana 1500 is typically located in the center dash area. While the physical replacement is straightforward for a DIYer with basic tools, some electronic systems may require a relearn procedure after the new module is installed. Disconnecting the battery before starting is essential.
After installation, be aware of the following potential requirements:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is necessary. This requires a professional-grade scan tool to sync the new BCM with the airbag system.
- Brake Pedal Position Relearn: In some cases, a brake pedal position sensor recalibration might be needed to ensure proper function of the brake lights and stability control systems.
Always consult a factory service manual or a qualified technician for vehicle-specific instructions.
Guaranteed Fitment for a Wide Range of GM Vehicles
This BCM, part number 15880684, is a direct replacement for a vast array of GM part numbers, ensuring compatibility across many models beyond the Savana. If your original module has any of the following part numbers, this unit is the correct replacement for you:
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
This module also fits models such as the Chevrolet Express, Tahoe, Suburban, Impala, Equinox, GMC Acadia, Yukon, Cadillac Escalade, DTS, and many more. Please verify your part number to ensure compatibility.
Frequently Asked Questions
Do I need to take this BCM to a dealer for programming?
No. We handle all the programming for you. Simply provide your vehicle’s VIN when you order, and the module will arrive ready to be installed, saving you time and money.
Is there a core charge for this part?
No, there is no core charge. You can keep your original module without needing to send it back to us.
Where is the BCM located on my 2008-2012 Savana 1500?
The Body Control Module on these vans is typically found behind the center part of the dashboard. Access may require removing some dash trim panels.
What if the airbag light stays on after I install the new BCM?
This is a known possibility. It means the new BCM needs to be electronically ‘introduced’ to the airbag system’s Sensing and Diagnostic Module (SDM). This procedure, called ‘Setup SDM Primary Key in BCM’, must be performed with a professional diagnostic tool.
How do I provide my VIN for programming?
You can add your VIN in the notes section during checkout. If you forget, we will contact you via email after your purchase to request the information before we program and ship your module.