Tired of Your Van’s Unpredictable Electronics?
If you’re dealing with flickering lights, a dead HVAC system, or power locks with a mind of their own in your GMC Savana, you’re not alone. These frustrating and often intermittent electrical problems usually point to one culprit: a failing Body Control Module (BCM). As the central command for your vehicle’s body electronics, a faulty BCM can turn a reliable workhorse into a source of daily headaches. This VIN-programmed BCM is the definitive, hassle-free solution to restore full functionality and peace of mind to your 2004-2007 Savana 2500 Van and other compatible GM vehicles.
A Technician’s Notebook: The Case of the Contractor’s Van
I had a contractor bring his 2006 Savana 2500 into the shop, completely fed up. His power door locks worked maybe half the time, the radio would cut out randomly, and twice that week, the van refused to start—no crank, nothing. He’d already replaced the battery and checked the starter. After hooking up my scanner, I saw a handful of communication codes and a specific BCM internal fault code. These GMT800 platform vehicles are notorious for BCM failures due to heat cycles and vibrations causing internal solder joints to crack. We installed one of our VIN-programmed modules, and in less than 10 minutes, every single one of his electrical gremlins was gone. It’s a common story, and this part is the reliable fix.
Is Your Work Van Showing These Electrical Faults?
A failing BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s time for a replacement:
- ✔ Unresponsive or erratic power windows, door locks, or interior lights.
- ✔ HVAC blower motor not working or climate controls are completely dead.
- ✔ The security light is on, and the engine won’t start (a common anti-theft issue).
- ✔ An airbag warning light that won’t go away, often with DTC B1001 (Option Configuration Error).
- ✔ Strange electrical behavior, like wipers activating on their own or incorrect gauge readings.
The Plug-and-Play Advantage: No Dealership Required
The biggest hurdle in replacing a BCM has always been the expensive and time-consuming programming required at a dealership. We eliminate that step entirely. Simply provide your vehicle’s VIN during checkout, and we will program the module with the latest GM software specific to your van. This ensures that all factory-installed options work correctly right out of the box. This isn’t just a convenience; it’s a massive cost and time saver for both professional mechanics and DIY installers. This is the core of what makes our 2004-2007 Savana 2500 BCM the smart choice.
A Straightforward Guide to Installation
You don’t need to be a master mechanic to install this part. For the Savana and Express vans, the BCM is conveniently located and easy to access.
- Safety First: Always disconnect the negative terminal on your vehicle’s battery before starting any electrical work.
- Locate the Module: In your Savana/Express, the BCM is typically found in the center dash area, often accessible by removing a lower dash panel.
- Swap the Connectors: Carefully unplug the electrical connectors from your old BCM. They have release tabs that need to be pressed. Plug them securely into your new module.
- Mount and Reconnect: Secure the new BCM in place and reassemble any panels you removed. Reconnect the battery terminal.
- Final Check: Start the vehicle and test all functions—lights, locks, windows, radio, and HVAC—to confirm the repair was successful.
Important Post-Installation Note: In some cases, particularly if you had an airbag light on, a professional scan tool may be needed to perform the ‘Setup SDM Primary Key in BCM’ procedure to sync the airbag system. This is a simple procedure for any equipped shop. Our pre-programming handles everything else, making this 2004-2007 Savana 2500 BCM an ideal solution for a quick turnaround.
Verified Vehicle Compatibility
This module is a direct replacement for part number 10383536 and is also interchangeable with 15116066, 15136225, 15198116, and others. It is guaranteed to fit the following models with specified options:
EXPRESS 1500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
EXPRESS 2500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
EXPRESS 3500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
SAVANA 1500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
SAVANA 3500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
AVALANCHE 1500 03-06 Body Control (BCM); (under steering column)
AVALANCHE 2500 02-06 Body Control (BCM); (under steering column)
ESCALADE & ESV & EXT 03-06 Body Control (BCM); (under steering column)
HUMMER H2 04-07 Body Control (BCM); (LH dash)
SIERRA 1500/2500/3500 PICKUP 03-06 Body Control (BCM); (under steering column), Crew Cab
SIERRA 1500/2500/3500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), Crew Cab
SILVERADO 1500/2500/3500 PICKUP 03-06 Body Control (BCM); (under steering column), Crew Cab
SILVERADO 1500/2500/3500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), Crew Cab
SUBURBAN 1500/2500 03-06 Body Control (BCM); (under steering column)
TAHOE 03-06 Body Control (BCM); (under steering column)
YUKON & YUKON XL 1500/2500 03-06 Body Control (BCM); (under steering column)
Frequently Asked Questions
What does ‘VIN Programmed’ mean for me?
It means the module arrives ready for installation. We load your vehicle’s specific Vehicle Identification Number (VIN) and factory options into the BCM before shipping. This prevents the need for a trip to the dealer for costly programming, saving you time and money.
Do I need to return my old BCM?
No. There is absolutely no core charge or need to send your old part back to us. You can keep it or dispose of it at your convenience.
Is this a difficult part for a DIYer to install?
Not at all. For the Savana and Express vans, the BCM is located in the center dash and is one of the easier modules to replace. Basic hand tools and about 5-15 minutes are all you need.
What if my airbag light is on after I install the new BCM?
If the airbag light remains on, it means the new BCM needs to be synced with the existing airbag system (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure, which can be performed by any mechanic with a professional-grade bidirectional scan tool.
Does this part come with a warranty?
Yes, this Body Control Module is backed by our one-year warranty, giving you confidence in the quality and durability of your repair.