Is Your GM Truck or Van Acting Possessed?
If you’re dealing with a frustrating mix of electrical gremlins in your 2003-2007 GM vehicle—like flickering interior lights, power windows with a mind of their own, a security light that won’t turn off, or even a no-start condition—the problem often points directly to a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, when the BCM goes bad, it can cause widespread and confusing issues that disrupt your daily drive.
Don’t let a faulty module keep your reliable truck or van off the road. This direct-fit BCM is the definitive solution, arriving at your door fully programmed to your vehicle’s specific VIN. We handle the complex part so you can get back to what matters.
The Simple Solution: A Pre-Programmed GM BCM
Forget about costly dealership appointments and the hassle of towing your vehicle for programming. We take your vehicle’s VIN, flash this module with the latest GM software updates, and ship it ready for installation. This ensures all your vehicle’s original features work exactly as they did from the factory. This isn’t just a replacement part; it’s a restoration of your vehicle’s core functionality.
Expert Pro Tip: Check Before You Replace
In my 20+ years on the shop floor, I’ve seen dozens of these BCMs replaced when the real issue was corrosion in the connector harness. On the Silverado and Sierra pickups, the BCM is located under the steering column. Before you unbolt the old module, disconnect the electrical connectors and thoroughly inspect the pins and the harness for any signs of green or white corrosion, often caused by water intrusion from a leaky windshield seal. Cleaning this with a dedicated contact cleaner can sometimes solve the problem, but if the pins on the module itself are damaged, replacement is the only reliable fix.
Common Symptoms of a Failing BCM:
- ✔ Intermittent or non-working power windows, door locks, or mirrors.
- ✔ Erratic behavior from interior or exterior lights (flickering, staying on, or not turning on).
- ✔ The security or anti-theft system light stays illuminated, preventing the engine from starting.
- ✔ Inaccurate gauge readings on the instrument cluster.
- ✔ Radio or climate control malfunctions.
- ✔ Communication error codes when scanned with a diagnostic tool.
Easy Installation & Post-Setup Procedures
Installing your new BCM is straightforward. While the process is simple, performing the required post-installation relearn procedures is critical for full system integration.
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Locate the BCM: On Silverado/Sierra/SSR models, it’s typically under the driver’s side dash, near the steering column. On Express/Savana vans, it’s located in the center of the dash.
- Swap the Module: Carefully disconnect the electrical harnesses and unbolt the old BCM. Mount the new module and securely reconnect all harnesses.
- Reconnect Battery: Re-attach the negative battery terminal.
Required Post-Installation Steps
IMPORTANT: After installing your new Programmed GM BCM, you must perform the following procedures with a compatible high-level diagnostic scan tool to ensure all systems operate correctly and safely. This is not optional.
- Airbag System Reset: You must perform the ‘Setup SDM Primary Key in BCM’ procedure. This step is essential to clear the airbag warning light and ensure the safety system is fully operational.
- Brake Pedal Position Sensor (BPPS) Recalibration: Some vehicles require the brake pedal sensor to be recalibrated after BCM replacement. This ensures accurate brake light operation and proper communication with other modules like the ABS.
Note: If you are not comfortable performing these steps, we strongly advise seeking assistance from a qualified automotive technician who has the proper diagnostic equipment.
Guaranteed Fitment for Your Vehicle
This BCM is a direct replacement for the following part numbers:
15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, 10367689
It is compatible with a wide range of 2003-2007 GM trucks and vans. Please verify your specific model and options from the list below to ensure perfect compatibility:
EXPRESS 1500/2500/3500 VAN (2003): Body Control (BCM); (center dash)
EXPRESS 1500/2500/3500 VAN (2004-2007): Body Control (BCM); (center dash), w/o commercial tradesman package
SILVERADO 1500 PICKUP (2003-2006): Body Control (BCM); (under steering column), exc. Crew Cab
SILVERADO 1500 PICKUP (2007): Body Control (BCM); classic style (creased door skin), (under steering column), exc. Crew Cab
SILVERADO 2500/3500 PICKUP (2003-2005): Body Control (BCM); (under steering column), exc. Crew Cab
SILVERADO 2500/3500 PICKUP (2006): Body Control (BCM); (under steering column), AT 4-spd (MT1) or MT, exc. Crew Cab
SILVERADO 2500/3500 PICKUP (2007): Body Control (BCM); classic style (creased door skin), (under steering column), AT 4-spd (MT1) or MT, exc. Crew Cab
SSR (2003-2006): Body Control (BCM)
GMC:
SAVANA 1500/2500/3500 VAN (2003): Body Control (BCM); (center dash)
SAVANA 1500/2500/3500 VAN (2004-2007): Body Control (BCM); (center dash), w/o commercial tradesman package
SIERRA 1500 PICKUP (2003-2006): Body Control (BCM); (under steering column), exc. Crew Cab
SIERRA 1500 PICKUP (2007): Body Control (BCM); classic style (creased door skin), (under steering column), exc. Crew Cab
SIERRA 2500/3500 PICKUP (2003-2005): Body Control (BCM); (under steering column), exc. Crew Cab
SIERRA 2500/3500 PICKUP (2006): Body Control (BCM); (under steering column), AT 4-spd (MT1) or MT, exc. Crew Cab
SIERRA 2500/3500 PICKUP (2007): Body Control (BCM); classic style (creased door skin), (under steering column), AT 4-spd (MT1) or MT, exc. Crew Cab