Programmed 2003-2007 Savana 3500 BCM 15198115 | Body Control Module

Restore Your Van’s Electrical System with a Reliable BCM

Are you battling frustrating electrical gremlins in your GMC Savana or Chevrolet Express van? Intermittent power windows, door locks that have a mind of their own, a security light that won’t turn off, or even a no-start condition can all point to a single, common culprit: a failing Body Control Module (BCM). As the central nervous system for your vehicle’s comfort and security features, when the BCM falters, it can create a cascade of confusing and annoying problems. This isn’t just an inconvenience; it can impact your workday and your vehicle’s reliability.

This is a direct-fit replacement Body Control Module for your 2003-2007 Savana 3500 and a wide range of other GM trucks and vans. The best part? We take the biggest headache out of the repair. Simply provide us with your vehicle’s VIN during checkout, and our technicians will program the module with the latest GM-certified software specifically for your vehicle. It arrives at your door ready to install, saving you a costly trip to the dealership and the expense of their programming fees. Plus, with no core charge, you can keep your original part without any extra hassle.

Common Signs of a Failing GM BCM

If your vehicle is exhibiting any of these symptoms, a faulty BCM is the likely cause. Proper diagnosis is always recommended, but these are the tell-tale signs I’ve seen hundreds of times in the shop.

• ✔ Power windows, mirrors, or door locks operating erratically or not at all.
• ✔ The anti-theft or security light stays on, preventing the engine from starting.
• ✔ Horn honking unexpectedly or not working when pressed.
• ✔ Interior or exterior lights flickering, staying on, or not turning on.
• ✔ Inaccurate or dead gauges on the instrument cluster.
• ✔ Stored diagnostic trouble codes (DTCs) like U0140, B1001, or other B-series codes.

Your Straightforward BCM Installation Guide

Installing your new BCM is a manageable job for a DIYer with basic tools. For Savana and Express vans, the BCM is typically located in the center of the dashboard area.

1. Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before beginning any electrical work.
2. Locate the BCM: On most Savana/Express vans, you will need to remove the lower dash panels or glove box to access the BCM. On Silverado/Sierra pickups, it’s often located under the steering column.
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 the module from its mounting bracket.
4. Install the New Module: Mount your new, pre-programmed BCM in the same location and securely plug in all the electrical connectors. You should hear a click as they lock into place.
5. Final Steps: Reconnect the negative battery terminal. Turn the key to the ‘ON’ position and test all functions like windows, locks, and lights.

Important Post-Installation Notes

While this 2003-2007 Savana 3500 BCM is programmed for your VIN, some vehicle systems may require a recalibration or ‘relearn’ procedure after installation. This is normal. The most common are:

• Airbag System Sync: If your airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional-grade diagnostic tool to sync the new BCM with the airbag system.
• Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be necessary to ensure brake lights and traction control function correctly.

Verified Vehicle Compatibility

This module is a direct replacement for part number 15198115 and several others. It fits a wide variety of GM vehicles. Please verify your model and options below.