Is Your GM Truck or Van Acting Possessed?
Are you dealing with flickering lights, a radio that cuts out randomly, power windows with a mind of their own, or strange warning lights on your dash? Before you start chasing down complex wiring issues, the problem is very often the central hub of your vehicle’s electronics: the Body Control Module (BCM). In my 20+ years as a technician, I’ve seen hundreds of these exact issues, and a failing BCM is one of the most common culprits on 2003-2007 GM vehicles.
Just last week, a customer’s 2006 Sierra 2500 came into the shop. The dome lights wouldn’t turn off, draining the battery overnight, and the power locks were intermittent. He was convinced it was a major wiring nightmare. After a quick diagnostic scan pointed to communication faults, we identified the BCM as the source. Swapping it with a pre-programmed unit like this one had him back on the road with everything working perfectly in under an hour. This isn’t just a part; it’s the straightforward solution to those frustrating electrical gremlins.
The Simple, Dealer-Free Solution
Forget about towing your vehicle to a dealership and paying high fees for programming. We handle the critical step for you. When you purchase this GM Body Control Module, we flash it with the latest official GM software, specifically matched to your vehicle’s VIN. It arrives at your door ready for a simple, plug-and-play installation.
Common Symptoms of a Failing BCM:
- ✔ Erratic or non-functional power windows and door locks
- ✔ Interior or exterior lights flickering, staying on, or not working at all
- ✔ The security system acting up or preventing the vehicle from starting
- ✔ Inconsistent or dead instrument panel gauges
- ✔ Radio or infotainment system randomly shutting off
- ✔ False warning messages on the driver information center
Easy Installation Guide
Location can vary slightly by model, but the process is straightforward. For Silverado/Sierra pickups, it’s typically under the driver’s side dash. For Express/Savana vans, it’s often behind the center dash panel.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery.
- Locate the BCM: Find the module based on your vehicle type (under the steering column or in the center dash).
- Disconnect Connectors: Carefully unplug the electrical harness connectors from the old BCM. They have locking tabs, so be gentle.
- Remove the Old Module: Unbolt or unclip the original BCM from its mounting bracket.
- Install the New BCM: Mount your new, pre-programmed module in the same location and securely reconnect all electrical harnesses.
- Reconnect Battery: Re-attach the negative battery terminal.
- Perform Final Steps: Follow the critical post-installation procedures outlined below.
Expert Pro Tip: Connector Inspection
Before plugging in your new BCM, take 60 seconds to inspect the vehicle’s harness connectors. Look for any signs of corrosion (green or white powder), backed-out pins, or melted plastic. Water intrusion from a leaky windshield is a common cause of BCM failure, and it damages the connectors too. Cleaning them with a dedicated electronics cleaner can prevent a repeat failure.
CRITICAL: Post-Installation Procedures
To ensure full functionality and safety after installing your new GM Body Control Module, these steps are required. Failure to perform them may result in warning lights or improper system operation.
- Airbag System Reset: The ‘Setup SDM Primary Key in BCM’ procedure MUST be performed with a compatible high-level diagnostic scan tool. This step is necessary to clear the airbag warning light and ensure the safety system is communicating correctly.
- Brake Pedal Position Sensor Relearn: Some vehicles may require a brake pedal position sensor relearn or recalibration. This ensures the BCM receives the correct input for brake light operation and other related systems.
Note: If you are not equipped to perform these procedures, a qualified local mechanic can complete them for you.
Guaranteed Compatibility
This module is a direct replacement for a wide range of 2003-2007 GM trucks, vans, and the SSR. It is compatible with the following part numbers:
15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, 10367689
Please provide your VIN upon purchase so we can ensure perfect programming for your specific vehicle options. Restore your vehicle’s proper function and reliability today.