End Electrical Frustration and Get Your Truck Back to Work
Are you battling strange and unpredictable electrical issues in your GM truck or van? Flickering lights, power windows with a mind of their own, a security system that won’t cooperate, or a vehicle that refuses to start intermittently are all classic signs of a failing Body Control Module (BCM). These problems aren’t just annoying—they can compromise your vehicle’s reliability and cost you valuable time and money. Stop chasing electrical gremlins and install a permanent, reliable solution. This is the direct-fit, professionally programmed BCM that will restore your vehicle’s electronic functions to perfect working order.
Common Symptoms & Your Solution
A faulty BCM is the central point of failure for many of your vehicle’s comfort and security features. If you’re experiencing any of the following, this module is the definitive fix you need:
- Intermittent or non-working power windows, door locks, or interior lights.
- Erratic instrument cluster behavior or warning lights.
- Security system faults or a vehicle that won’t start (PassLock issues).
- HVAC (heater and A/C) control problems.
- Communication error codes with other vehicle modules.
Our Programmed 2003-2007 Express 3500 BCM arrives at your door ready for installation. We use your vehicle’s VIN to flash the module with the latest, most stable software updates from GM, ensuring perfect compatibility and performance right out of the box.
Features & Benefits
- ✔ Programmed To Your VIN: No need for an expensive trip to the dealership for programming. We handle it for you before we ship, saving you time and hassle.
- ✔ Latest GM Software: Your module is loaded with the most recent software updates, addressing known bugs and improving functionality over the original unit.
- ✔ No Core Charge: Forget the inconvenience and extra cost of returning your old part. You can keep your original module.
- ✔ Guaranteed Compatibility: This module is a direct replacement for a wide range of part numbers, including 15167329, 15194169, 15747545, and more.
- ✔ Restore Full Functionality: Get your windows, locks, lights, and other essential electronic systems working reliably again.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
From my 20+ years in diagnostics, I can tell you that on these GM platforms, the BCM is not a simple ‘one-size-fits-all’ component. It’s the traffic cop for your vehicle’s electronic systems, managing everything from the dome light to the anti-theft system. Each vehicle has a unique combination of options (RPO codes) stored in the BCM. Simply installing a used module from another truck will almost certainly cause new, even more confusing problems. Our VIN-specific programming ensures the BCM knows exactly what options your truck was built with, making the installation process smooth and ensuring every feature works as the factory intended.
Frequently Asked Questions
Do I need to send you my old BCM?
No. There is no core charge for this part. You can keep your original module, which can be helpful for diagnostics if you ever need to revert back for any reason.
Is this BCM truly ‘plug and play’?
For most vehicles, yes. Because we program it to your VIN, it’s ready for installation. However, some vehicles may require additional procedures after installation, such as an ‘Airbag System Sync’ or a ‘Brake Pedal Position Relearn’ using a professional scan tool. This is dependent on your specific model and year.
How do I provide my VIN number?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot program and ship your BCM without it. Please double-check the VIN for accuracy to ensure correct programming.
What happens if the airbag light comes on after installation?
This is a known possibility. It means the new BCM needs to be electronically introduced to the airbag module (SDM). A qualified technician will need to perform the ‘Setup SDM Primary Key in BCM’ procedure with a high-level diagnostic tool to sync the systems and turn off the light.
Will this fix my ‘Service 4WD’ message?
While a faulty BCM can cause a variety of issues, a ‘Service 4WD’ message is often related to the Transfer Case Control Module (TCCM) or the encoder motor. It’s important to have the vehicle properly diagnosed to ensure you are replacing the correct part.