Is Your GM Truck or Van Plagued by Electrical Gremlins?
If you’re dealing with flickering lights, power windows with a mind of their own, or a security system that randomly acts up on your Silverado, Sierra, Express, or Savana, you’re not alone. These are classic signs of a failing Body Control Module (BCM). The BCM is the central command for your vehicle’s body electronics, and when it starts to go, it can make your reliable workhorse feel haunted. Don’t let frustrating electrical issues sideline your vehicle. This is the straightforward, effective solution you’ve been looking for.
Expert Pro Tip from 20+ Years on the Bench: Before you condemn your BCM, check the main ground points. On many of these GM trucks and vans, there’s a critical ground connection near the driver’s side kick panel or on the A-pillar. Over the years, I’ve seen dozens of vehicles come into the shop with classic BCM failure symptoms that were actually caused by a loose or corroded ground wire. A 10-minute check with a wrench could save you time and money. If the ground is solid and the problems persist, the BCM is your next logical step.
Your Direct Solution: A VIN-Programmed GM Body Control Module
Forget the hassle and high cost of a dealership visit. We offer a reliable replacement GM Body Control Module that arrives at your door pre-programmed for your specific vehicle. Simply provide us with your VIN during checkout, and our technicians will flash the unit with the latest official GM software and configurations for your truck or van. This ensures that when you plug it in, it communicates perfectly with your vehicle’s other systems right out of the box.
Common Symptoms of a Failing BCM:
- ✔ Erratic or non-functional power windows and door locks.
- ✔ Interior dome lights or dashboard lights staying on or not working at all.
- ✔ The security or anti-theft light flashing, preventing the engine from starting.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ False warnings on the driver information center (e.g., “Service 4WD”).
- ✔ Communication error codes (U-codes) when scanned with a diagnostic tool.
Simple, Straightforward Installation Guide
You don’t need to be a master technician to replace this module. With basic tools, you can get the job done in your own garage.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on electrical components.
- Locate the BCM: On Silverado and Sierra pickups, it’s typically found under the driver’s side of the dashboard, near the steering column. On Express and Savana vans, it’s usually located behind the center dash panel.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be depressed. Once disconnected, remove the bolts or clips holding the old BCM in place and take it out.
- Install the New Module: Seat your new, pre-programmed BCM in the mounting bracket and secure it. Reconnect all electrical connectors firmly until they click into place.
- Power Up: Reconnect the negative battery terminal. Your vehicle is now ready for the final steps.
CRITICAL: Post-Installation Procedures Required
To ensure 100% functionality and safety, a couple of final steps are necessary after installation. These procedures sync the new BCM with your vehicle’s other critical systems.
- Airbag System Reset: The airbag warning light will likely be on. A diagnostic scan tool with GM capabilities is required to perform the ‘Setup SDM Primary Key in BCM’ procedure. This re-establishes the secure link between the BCM and the airbag system.
- Brake Pedal Position Sensor Relearn: Some vehicles may require a brake pedal position sensor recalibration. This ensures the brake lights and stability control systems function correctly with the new module.
Note: If you are not comfortable performing these steps, a qualified independent mechanic can complete them quickly.
Guaranteed Compatibility
This GM Body Control Module is a direct replacement for a wide range of 2003-2007 GM trucks and vans. It is compatible with the following part numbers:
15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, 10367689
Please use the fitment chart to confirm this part is correct for your specific year, make, model, and options. By providing your VIN, you guarantee a perfectly matched and programmed part, ready for installation.