Restore Your Van’s Electrical System and Get Back to Work
If you’re dealing with bizarre electrical issues in your 2004-2007 Chevrolet Express 1500 Van, you’re not alone. Flickering lights, a dead instrument cluster, a security system that prevents starting, or an HVAC system with a mind of its own are all classic signs of a failing Body Control Module (BCM). As the central command for your van’s body electronics, a faulty BCM can cause a cascade of frustrating and hard-to-diagnose problems. This isn’t just an annoyance; for a work van, it’s downtime that costs you money.
This replacement Body Control Module, part number 15137394, is the definitive solution. We offer a professional Cloning Service, where we transfer the precise data from your original BCM to this replacement unit. This process ensures that all your van’s specific options and security information are perfectly matched, making installation a true plug-and-play affair. You get a reliable, fully functional module without the expensive trip to the dealership for programming.
From the Service Bay: The Work Van That Wouldn’t Work
From the Service Bay: The Work Van That Wouldn’t Work
A contractor brought his ’06 Express 2500 into my shop, completely fed up. His van would randomly refuse to start, the battery would drain overnight, and the power door locks were unreliable. He’d already replaced the battery and alternator to no avail. After a quick scan, I saw a handful of communication codes pointing to the BCM. These modules, especially in hard-working vans, often fail internally from heat cycles and vibration. We performed our cloning service on a replacement BCM, and he was back on the road the next day. The key here was the cloning—it preserved all his commercial package settings, avoiding any need for a dealer relearn, and got him back to his job site without delay.
Is Your Express Van Showing These Electrical Faults?
- ✔️ Intermittent or non-functional power windows, door locks, or interior lights.
- ✔️ HVAC blower motor or climate controls not working correctly.
- ✔️ The security light is on, and the van won’t start (anti-theft system activated).
- ✔️ An airbag warning light is illuminated, sometimes with Diagnostic Trouble Code (DTC) B1001.
- ✔️ Erratic wiper operation or horn sounding unexpectedly.
- ✔️ Communication errors with other modules on the vehicle network.
Simple Swap-Out Guide for Your Express Van
Replacing the BCM in your Express or Savana van is a straightforward job that can be done with basic tools in under 15 minutes. The module is typically located in the center of the dash, behind a lower access panel.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery to prevent electrical shorts and to help reset the system.
- Locate the BCM: On Express and Savana vans, find the BCM behind the lower center dash panel. It’s a black box with several large electrical connectors.
- Remove the Old Module: Carefully disconnect all electrical connectors. They have locking tabs that need to be depressed. Once disconnected, unbolt or unclip the module from its mounting bracket.
- Install the New Module: Seat your cloned replacement BCM into the mounting bracket and securely plug in all the connectors. You’ll hear a click as they lock into place.
- Reconnect and Test: Reconnect the negative battery terminal. Turn the key to the ‘On’ position and test all body functions—lights, locks, windows, wipers, and HVAC—to confirm the repair was successful.
Post-Installation Note: In some cases, special procedures like an Airbag System Sync or Brake Pedal Position Relearn may be needed if related warning lights appear. This typically requires a professional scan tool. See our FAQ for more details.
Verified Fitment for GM Trucks and Vans
This Body Control Module is a direct replacement for part number 15137394 and is interchangeable with several other part numbers, including 15116066, 15137393, and 15198116. It provides guaranteed compatibility for the following vehicles, among others:
- Chevrolet Express 1500/2500/3500 Van (2004-2007) – With commercial tradesman package (opt PRP)
- GMC Savana 1500/2500/3500 Van (2004-2007) – With commercial tradesman package (opt PRP)
- Chevrolet Silverado 1500/2500/3500 (2003-2007 Classic)
- GMC Sierra 1500/2500/3500 & Denali (2003-2007 Classic)
- Chevrolet Tahoe, Suburban, Avalanche (2003-2006)
- GMC Yukon & Yukon XL (2003-2006)
- Cadillac Escalade, ESV, EXT (2003-2006)
- Hummer H2 (2003-2007)
Fix your vehicle’s electrical gremlins for good. This cloned 2004-2007 Express 1500 BCM is the most reliable and cost-effective way to restore full functionality to your van.
Frequently Asked Questions
From the Service Bay: The Work Van That Wouldn’t Work
A contractor brought his ’06 Express 2500 into my shop, completely fed up. His van would randomly refuse to start, the battery would drain overnight, and the power door locks were unreliable. He’d already replaced the battery and alternator to no avail. After a quick scan, I saw a handful of communication codes pointing to the BCM. These modules, especially in hard-working vans, often fail internally from heat cycles and vibration. We performed our cloning service on a replacement BCM, and he was back on the road the next day. The key here was the cloning—it preserved all his commercial package settings, avoiding any need for a dealer relearn, and got him back to his job site without delay.