Get Your Truck Back to Work, Fast.
Are you dealing with bizarre and frustrating electrical problems in your GM truck or van? Flickering interior lights, power windows that have a mind of their own, door locks that won’t respond, or a security light that prevents your engine from starting? These aren’t just annoyances; they’re symptoms of a failing Body Control Module (BCM), the central command center for your vehicle’s electronics. When it fails, it can bring your workday to a grinding halt. This replacement BCM is the definitive, reliable solution to get your vehicle back on the road without the hassle and expense of a dealership visit.
Common Symptoms & Your Solution
A faulty BCM can cause a wide range of issues that seem unrelated. If you’re experiencing any of the following, a failing BCM is the likely culprit:
- Power windows, mirrors, or door locks working intermittently or not at all.
- Interior dome lights or dashboard lights staying on or not turning on.
- The security system engaging randomly, causing a no-start condition.
- Erratic behavior from the radio or climate controls.
- False warning lights appearing on the instrument cluster.
This module is the direct solution to these problems. We take the guesswork out of the repair by programming this replacement 2003-2007 Express 3500 BCM to your vehicle’s specific VIN before it ships. This ensures it communicates perfectly with your truck’s other systems right out of the box.
Features & Benefits
- ✔ Plug & Play Installation: This BCM arrives pre-programmed to your vehicle’s VIN. No expensive trip to the dealer for programming is required.
- ✔ Flashed with GM Updates: We load the latest factory software updates from GM, ensuring optimal performance and reliability that often exceeds the original module.
- ✔ Restores Full Functionality: Get your power accessories, lighting, and security systems working like new again.
- ✔ No Core Charge: Keep your old part. There’s no need to worry about the cost or hassle of sending your original BCM back to us.
- ✔ Direct Fit Guarantee: This unit is a direct replacement for multiple OEM part numbers, including 15167329, 15194169, 15747545, and more, guaranteeing a perfect fit.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
From the Technician’s Bench: We see these BCMs fail all the time on hard-working trucks like the Silverado, Sierra, and Express vans. Years of heat cycles and constant use take their toll on the internal circuit boards, leading to those maddening, intermittent electrical gremlins that are so hard to pin down. Replacing the BCM with a freshly programmed unit isn’t just a repair; it’s a restoration of the vehicle’s electrical stability, giving you the confidence that your truck will start and function correctly every single time you turn the key.
Frequently Asked Questions
What is a BCM and what does it do?
The Body Control Module (BCM) is a computer in your vehicle that controls and monitors a wide variety of non-engine-related functions. This includes power windows, door locks, interior and exterior lighting, security systems, and climate controls. Think of it as the brain for your truck’s body electronics.
Is this BCM truly plug and play?
Yes. Because we program the module to your specific VIN before shipping, it is designed to be a plug-and-play installation for the vast majority of vehicles. In some cases, minor post-install procedures like an airbag or brake pedal sensor relearn may be needed, which can be done with a professional scan tool.
How do I provide my VIN?
After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN. We cannot ship your part until we receive this information, as the programming is specific to your truck.
Will this fix my ‘Security’ light issue?
A faulty BCM is a very common cause of security system problems, including a persistent security light and no-start conditions. Replacing a bad 2003-2007 Express 3500 BCM will often resolve these issues.
What if my airbag light comes on after installation?
If the airbag light is on after you install the BCM, it simply means the new module needs to be electronically introduced to the airbag system. A technician with a high-level scan tool will need to perform a quick ‘Setup SDM Primary Key in BCM’ procedure to sync the systems and turn off the light.
Do I need to send my old part back?
No. There is no core charge for this part. You can keep or dispose of your original module.