Solve Your Van’s Electrical Headaches for Good
If you’re dealing with bizarre electrical problems in your 2004-2007 GMC Savana 2500, a failing Body Control Module (BCM) is the likely culprit. As the central command for your van’s electronics, a faulty BCM can cause chaos—from flickering lights and a dead HVAC system to frustrating no-start conditions that leave you stranded. This isn’t just an annoyance; for a work van, it’s downtime that costs you money. Instead of paying for expensive dealership diagnostics and programming, our cloning service offers a direct, reliable, and cost-effective solution.
We transfer the critical data from your original BCM directly onto this replacement unit. This means the module arrives ready for plug-and-play installation, perfectly matched to your van’s specific configuration and options. By using a quality replacement 2004-2007 Savana 2500 BCM, you restore function and reliability, getting your workhorse back on the road where it belongs.
Case Study: The Fleet Van’s Phantom Drain
A local contractor brought in his ’06 Savana 2500 with a recurring dead battery. He’d already replaced the battery and alternator, but the problem persisted. After connecting a scan tool, we saw no hard codes, but monitoring data showed the BCM wasn’t letting certain circuits go to sleep after shutdown, causing a parasitic draw. Instead of a costly new module and programming from the dealer, we performed a cloning service. The replacement BCM solved the phantom drain instantly, saving the client hundreds in parts and lost work time. This is a classic failure mode for these modules.
Is Your Van Exhibiting These Electrical Faults?
- ✔ The security light stays on, preventing the engine from starting.
- ✔ Power windows, door locks, or interior lights work intermittently or not at all.
- ✔ The HVAC blower motor is erratic or completely non-functional.
- ✔ An airbag warning light is illuminated, often with a DTC like B1001 (Option Configuration Error).
- ✔ The instrument cluster acts strangely, or gauges stop working.
- ✔ You’re experiencing communication errors (U-codes) with other modules on the network.
A Straightforward Guide to Your BCM Swap
The physical installation for the 2004-2007 Savana 2500 BCM is simple and can be done with basic hand tools. Since this is a cloning service, the programming is already handled before it ships to you. Just follow these steps:
- Step 1: Safety First. Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Step 2: Locate the BCM. In the Savana and Express vans, the BCM is typically located in the center of the dashboard, accessible from below. You may need to remove a lower dash panel for access.
- Step 3: 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 module from its mounting bracket.
- Step 4: Install the New Module. Mount the replacement BCM and securely plug in all the electrical connectors. You’ll hear a click as they lock into place.
- Step 5: Reconnect and Test. Reconnect the battery terminal. Turn the key to the ‘On’ position and test all body functions—lights, locks, windows, wipers, and HVAC—to confirm the repair.
Post-Installation Notes for a Smooth Finish
While our cloning service makes this a plug-and-play repair, some GM vehicles may require a simple relearn procedure. If your airbag light is on after installation, a technician with a capable scan tool will need to perform the “Setup SDM Primary Key in BCM” function to sync the systems. This is a quick procedure that ensures all safety systems are communicating correctly. In some cases, a Brake Pedal Position Relearn may also be needed.
Verified Compatibility for Your GM Vehicle
This BCM is a direct replacement for part number 15194170 and other interchangeable numbers. It is specifically compatible with the following models, among others:
CHEVROLET EXPRESS 2500 VAN (2004-2007) – Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
GMC SIERRA 1500/2500/3500 (2003-2007 Classic) – Body Control (BCM); (under steering column), Crew Cab models
CHEVROLET SILVERADO 1500/2500/3500 (2003-2007 Classic) – Body Control (BCM); (under steering column), Crew Cab models
CHEVROLET AVALANCHE / SUBURBAN / TAHOE (2003-2006) – Body Control (BCM); (under steering column)
GMC YUKON / YUKON XL (2003-2006) – Body Control (BCM); (under steering column)
CADILLAC ESCALADE / ESV / EXT (2003-2006) – Body Control (BCM); (under steering column)
HUMMER H2 (2003-2007) – Body Control (BCM); (LH dash)
Frequently Asked Questions
How does the BCM cloning service work?
You send us your original, faulty BCM. We then extract its unique vehicle-specific data and flash it onto your replacement module. This ensures it works seamlessly with your existing keys, security system, and vehicle options without any need for dealership programming.
Where is the BCM located on a 2006 Savana 2500 Van?
On the 2004-2007 Savana and Express vans, the Body Control Module is found behind the center part of the dashboard. You’ll typically need to remove the lower trim panel below the radio and HVAC controls to access it.
Do I need to send my keys with the module?
No, that’s the primary benefit of our cloning service. Because we transfer the data from your old module, the replacement unit will recognize your existing keys automatically.
What happens to my original BCM?
Your original module is always returned to you along with the newly programmed replacement unit. We do not keep customer cores, so you can have it for your records or dispose of it as you see fit.
Will this fix my airbag light?
A faulty BCM can cause the airbag light to come on with code B1001. Replacing it will resolve the root cause, but you may need a technician to perform the ‘Setup SDM Primary Key in BCM’ procedure with a scan tool to clear the light after installation.