Are you chasing down frustrating electrical gremlins in your GMC Savana or Chevrolet Express van? If you’re dealing with flickering lights, a dead HVAC blower, or power locks with a mind of their own, a failing Body Control Module (BCM) is the likely culprit. As the central command center for your vehicle’s body electronics, a faulty BCM can make a reliable workhorse feel unpredictable. This replacement Body Control Module, part number 15136877, is the definitive solution, arriving pre-programmed to your van’s specific VIN for a true plug-and-play repair.
Forget about expensive dealership visits and the hassle of programming. We handle the complex software flashing for you. Simply provide your VIN at checkout, and we’ll ensure this module communicates flawlessly with your vehicle’s existing systems right out of the box. This is the most efficient way to restore full functionality and get your van back on the road, earning its keep.
From the Diagnostic Bay: The Contractor’s Phantom Faults
“A local plumber brought in his ’06 Savana 2500, completely fed up. The radio would randomly shut off, the dome light would stay on, and sometimes the power door locks wouldn’t respond. He’d already replaced the battery and checked fuses. After connecting my scanner, I saw a handful of ‘loss of communication’ codes pointing to the BCM. These modules, especially in work vans that see constant use and vibration, can develop internal circuit board failures over time. We installed one of our VIN-programmed modules, and in less than 10 minutes, every single issue was resolved. It’s a common failure point I’ve seen hundreds of times, and a pre-programmed unit is the fastest, most reliable fix.”
Is Your Savana Van Showing These Electrical Faults?
A failing BCM can cause a wide range of confusing symptoms. If you’re noticing any of the following, it’s time to inspect your module:
- ✔ The HVAC blower motor works intermittently or not at all.
- ✔ Power windows, door locks, or mirrors operate erratically or have failed completely.
- ✔ The security system triggers without reason, or the vehicle won’t start (PassLock issues).
- ✔ Headlights, taillights, or interior lights flicker, stay on, or won’t turn on.
- ✔ Your scanner shows communication DTCs or codes like B1001 (Option Configuration Error).
- ✔ The airbag warning light is illuminated on the dash.
A Straightforward Guide to BCM Installation
For the 2004-2007 Savana 1500 Van Body Control Module, installation is simple enough for a DIYer. In most cases, it takes just a few minutes.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery to prevent electrical shorts and help reset the system.
- Locate the BCM: In Savana and Express vans, the BCM is typically found in the center of the dashboard, often behind a removable panel or near the fuse box area.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old module. They have release tabs that need to be pressed. Once disconnected, unbolt or unclip the old BCM and remove it.
- Install the New Module: Seat the new, pre-programmed BCM in the same location. Secure it in place and firmly reconnect all electrical connectors until they click.
- Final Steps: Reconnect the battery terminal. Start the vehicle and test all functions—lights, locks, windows, wipers, and HVAC—to confirm the repair was successful.
Verified Vehicle Compatibility List
This module is a direct replacement for part number 15136877 and other interchangeable numbers. It is guaranteed to fit the following vehicles, provided the options match:
SAVANA 1500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
EXPRESS 1500 VAN 04-07 Body Control (BCM); (center dash), w/commercial tradesman package (opt PRP)
SAVANA 2500 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)
SAVANA 3500 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)
Also fits a wide range of Chevrolet, GMC, Cadillac, and Hummer trucks/SUVs from 2002-2007. Please verify your part number.