Restore Full Electrical Control to Your GM Truck or Van
As a technician with over two decades of experience, I’ve seen firsthand the chaos a failing Body Control Module (BCM) can cause. Your 2003-2007 GM truck or van is a workhorse, but when the BCM starts to go, it can feel like the vehicle is haunted. You might be dealing with flickering interior or exterior lights, power windows and locks that have a mind of their own, or a security system that randomly triggers. These aren’t just annoyances; they can be serious safety and reliability issues. This is the central hub for your vehicle’s body electronics, and when it fails, it takes all those conveniences with it.
This isn’t just a replacement part; it’s a complete, hassle-free solution. We take this genuine OEM-spec BCM and program it specifically to your vehicle’s VIN before it ships. This means it arrives at your door loaded with the latest GM software updates, ready for installation. You get to skip the expensive trip to the dealership for programming, saving you both time and money. This is the most direct path to solving those frustrating electrical problems and restoring the dependable operation you expect from your vehicle.
Case Study: A Tricky Diagnosis
I once had a 2005 Silverado 2500 in my bay with a classic ‘mystery’ problem: a battery that would be dead every two or three days. The owner had already replaced the battery and alternator. After hooking up an ammeter, I found a significant parasitic draw. By pulling fuses one by one, I traced the draw to the BCM circuit. The module wasn’t fully ‘going to sleep’ after the truck was shut off, slowly draining the battery overnight. Swapping in a quality, correctly programmed 2003-2007 GM BCM like this one solved the issue instantly. It’s a common failure mode that can be incredibly frustrating for owners.
Is Your Truck or Van Showing These Signs?
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, a failing module is the likely culprit:
- âś” Intermittent or non-working power windows, door locks, or mirrors.
- âś” Interior dome lights or exterior lights flickering or staying on.
- âś” The security system or horn activating without reason.
- âś” ‘Service Vehicle Soon’ or other warning messages on the instrument cluster.
- âś” Inconsistent or non-functional remote keyless entry.
- âś” Communication error codes, such as U0140 (Lost Communication With Body Control Module).
- âś” A battery that dies overnight due to a parasitic electrical draw.
A Straightforward Guide to Installation
For the confident DIYer or professional mechanic, installing this BCM is a manageable job. The key is our pre-programming service, which handles the most complex part of the process for you.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before working on any electronic components.
- Locate the BCM: On most Silverado and Sierra pickups, the BCM is located under the driver’s side of the dashboard, near the steering column. On Express and Savana vans, it’s typically found behind the center dash panel.
- Remove and Replace: Carefully unplug the electrical connectors from the old BCM. They have locking tabs that must be depressed. Unbolt or unclip the old module and remove it. Mount the new BCM in its place.
- Reconnect Everything: Firmly plug all electrical connectors into your new BCM. You should hear or feel a ‘click’ as they lock into place. Reconnect the negative battery terminal.
- Post-Installation Checks: After installation, some vehicles may require one or two simple relearn procedures. If your airbag light is on, a professional scan tool is needed to perform the ‘Setup SDM Primary Key in BCM’ procedure. Additionally, a Brake Pedal Position relearn may be needed to ensure proper brake light and stability control function.
Verified Vehicle Compatibility
This module is a direct replacement for part numbers 15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, and 10367689. It fits a wide range of GM vehicles. Please confirm your model and options below:
SILVERADO 3500 PICKUP 03-05 Body Control (BCM); (under steering column), exc. crew cab
SILVERADO 2500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), MT, exc. Crew Cab
SAVANA 1500 VAN 03 Body Control (BCM); (center dash)
SAVANA 3500 VAN 04-07 Body Control (BCM); (center dash), w/o commercial tradesman package
EXPRESS 1500 VAN 04-07 Body Control (BCM); (center dash), w/o commercial tradesman package
EXPRESS 3500 VAN 04-07 Body Control (BCM); (center dash), w/o commercial tradesman package
SAVANA 1500 VAN 04-07 Body Control (BCM); (center dash), w/o commercial tradesman package
SIERRA 1500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), exc. Crew Cab
SIERRA 3500 PICKUP 06 Body Control (BCM); (under steering column), MT, exc. Crew Cab
SILVERADO 2500 PICKUP 03-05 Body Control (BCM); (under steering column), exc. Crew Cab
SAVANA 2500 VAN 04-07 Body Control (BCM); (center dash), w/o commercial tradesman package
SIERRA 2500 PICKUP 06 Body Control (BCM); (under steering column), AT, 4 speed (opt MT1), exc. Crew Cab
SIERRA 2500 PICKUP 03-05 Body Control (BCM); (under steering column), exc. Crew Cab
SIERRA 3500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), AT, 4 speed (opt MT1), exc. Crew Cab
SILVERADO 2500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), AT, 4 speed (opt MT1), exc. Crew Cab
SILVERADO 3500 PICKUP 06 Body Control (BCM); (under steering column), MT, exc. crew cab
EXPRESS 2500 VAN 04-07 Body Control (BCM); (center dash), w/o commercial tradesman package
SILVERADO 1500 PICKUP 03-06 Body Control (BCM); (under steering column), exc. Crew Cab
SILVERADO 2500 PICKUP 06 Body Control (BCM); (under steering column), MT, exc. Crew Cab
SILVERADO 3500 PICKUP 06 Body Control (BCM); (under steering column), AT, 4 speed (opt MT1), exc. crew cab
SIERRA 2500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), MT, exc. Crew Cab
SILVERADO 1500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), exc. Crew Cab
SAVANA 2500 VAN 03 Body Control (BCM); (center dash)
SILVERADO 3500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), AT, 4 speed (opt MT1), exc. crew cab
EXPRESS 1500 VAN 03 Body Control (BCM); (center dash)
EXPRESS 2500 VAN 03 Body Control (BCM); (center dash)
SIERRA 2500 PICKUP 06 Body Control (BCM); (under steering column), MT, exc. Crew Cab
SIERRA 2500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), AT, 4 speed (opt MT1), exc. Crew Cab
SIERRA 3500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), MT, exc. Crew Cab
SILVERADO 2500 PICKUP 06 Body Control (BCM); (under steering column), AT, 4 speed (opt MT1), exc. Crew Cab
SILVERADO 3500 PICKUP 07 Body Control (BCM); classic style (creased door skin), (under steering column), MT, exc. crew cab
EXPRESS 3500 VAN 03 Body Control (BCM); (center dash)
SSR 03-06 Body Control (BCM)
SAVANA 3500 VAN 03 Body Control (BCM); (center dash)
SIERRA 1500 PICKUP 03-06 Body Control (BCM); (under steering column), exc. Crew Cab
SIERRA 3500 PICKUP 06 Body Control (BCM); (under steering column), AT, 4 speed (opt MT1), exc. Crew Cab
Frequently Asked Questions
Frequently Asked Questions
Why do you need my VIN number?
Your Vehicle Identification Number (VIN) allows us to program the BCM with the exact software and settings your specific vehicle requires. This ensures all features work correctly and makes the installation process much simpler, as it’s ready to go out of the box.
Is this a simple plug-and-play installation?
For the most part, yes. Because we pre-program it, you avoid the most difficult step. However, as with many modern electronic parts, some vehicles may require a ‘relearn’ procedure for the airbag system or brake pedal position sensor after install. This often requires a professional-grade scan tool.
Do I need to send my old BCM back?
No. This purchase requires no core return. You can keep your old module, which saves you the time and expense of shipping a core back.
What happens if my airbag light comes on after installation?
This is a known possibility. It means the new BCM needs to be synced with the airbag’s computer (the SDM). A repair shop with a capable scan tool will need to perform the ‘Setup SDM Primary Key in BCM’ procedure to resolve this.
Will this fix my dead battery problem?
A faulty BCM is a very common cause of parasitic battery drain on these GM trucks and vans. While we can’t guarantee a fix without a proper diagnosis, if your issue is a BCM that fails to ‘sleep’ correctly, this part is the correct solution.