Programmed 2003-2007 Express 1500 BCM 15198115 | Plug & Play Ready

Restore Full Functionality to Your GM Truck or Van

If you’re dealing with flickering dashboard lights, power windows that won’t budge, or a security light that stays on, you’re not alone. These frustrating electrical gremlins in your 2003-2007 GM vehicle often point to one culprit: a failing Body Control Module (BCM). As a technician with over two decades of experience, I’ve seen how a faulty BCM can make a reliable workhorse like an Express van feel unpredictable. The BCM is the central command for your vehicle’s body electronics, and when it goes, it takes comfort and convenience features with it.

This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the hassle out of the repair by programming this BCM with the latest GM software specifically for your vehicle. All we need is your VIN. This saves you a trip to the dealership and the high cost of programming fees, getting you back on the road or back to the job site faster.

Is Your GM Vehicle Showing These Signs of BCM Failure?

A failing BCM can cause a wide array of symptoms that might seem unrelated. If you’re experiencing any of the following, this module is the likely solution:

• ✔ Intermittent or non-functional power windows and door locks
• ✔ Gauges on the instrument cluster behaving erratically or not working
• ✔ Interior or exterior lights flickering, staying on, or not turning on at all
• ✔ The security or anti-theft system light is illuminated, preventing the engine from starting
• ✔ Radio or climate control systems are unresponsive
• ✔ Diagnostic Trouble Codes (DTCs) like U0140, B1001, or other B-series and U-series codes are present

A Straightforward Guide to Your BCM Replacement

For many DIYers and professional mechanics, swapping the BCM is a manageable job. While the location varies, the process is similar. For the Express and Savana vans, you’ll find it in the center dash area.

1. Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any electrical work.
2. Access the Module: On Express/Savana vans, you will need to remove parts of the center dash trim to access the BCM. On Silverado/Sierra trucks, it’s typically 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 or unclip the module from its mounting bracket.
4. Install the New BCM: Mount your new, pre-programmed BCM in place and securely reconnect all electrical connectors. You should hear a ‘click’ as they lock in.
5. Reconnect Power: Re-attach the negative battery terminal.
6. Test Functionality: Start the vehicle and test all the components that were previously malfunctioning—power windows, locks, lights, and gauges—to confirm the repair.

Important Post-Installation Information

This BCM is programmed to be as plug-and-play as possible. However, in some vehicles, additional system handshakes or ‘relearns’ may be required. This is a normal part of replacing a major electronic module.

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

Disclaimer: Vehicle systems vary. We always recommend consulting a factory service manual or a qualified technician if you are unsure about any step of the process.

Verified Fitment for Your GM Vehicle

This Body Control Module is a direct replacement for part number 15198115 and is interchangeable with part numbers 15167329, 15194169, 15747545, 15136224, 15116065, 15136876, and 10367689. It is guaranteed to fit the following models and options: