Restore Your Truck’s Core Functions and End Electrical Headaches
Are you battling bizarre and frustrating electrical issues in your GM truck or van? Intermittent power windows, a security light that won’t turn off, or dashboard warnings that come and go are classic signs of a failing Body Control Module (BCM). This vital component is the central hub for your vehicle’s body electronics, and when it falters, it can make your reliable workhorse feel unpredictable. Get back to work and on the road with confidence with this professionally programmed BCM, designed as a direct-fit, hassle-free solution for your 2003-2007 Silverado, Sierra, or other compatible GM vehicle.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a faulty BCM is the likely culprit. This module is the definitive solution for:
- Power windows, door locks, or mirrors operating erratically or not at all
- Interior or exterior lights failing to work correctly
- The anti-theft or security system preventing the vehicle from starting
- Erroneous warning lights on the instrument cluster
- Communication issues with other vehicle modules (DTC U-codes)
Instead of paying for expensive dealership diagnostics and programming, this module arrives at your door programmed with the latest GM software updates, tailored specifically to your vehicle’s VIN. It’s the straightforward, effective fix you need.
Features & Benefits
- ✔ VIN-Programmed for Your Vehicle: We flash the module with your truck’s specific VIN, ensuring it communicates perfectly with your existing systems right out of the box.
- ✔ Plug & Play Installation: Simply provide your VIN after purchase, and we’ll handle all the programming. This eliminates the need for a costly trip to the dealership for setup.
- ✔ Updated GM Software: Your BCM will be loaded with the newest stable software from General Motors, addressing many of the original factory bugs and improving performance.
- ✔ No Core Charge: Keep your original module. There’s no need to worry about the cost or hassle of sending the old part back to us.
- ✔ Guaranteed Compatibility: This unit is a direct replacement for multiple part numbers, including 15167329, 15194169, 15747545, and more.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
Expert Insight: From the Technician’s Bench
The BCM in these GM trucks lives a tough life, typically mounted under the steering column. Over a decade of heat cycles, road vibrations, and voltage fluctuations can cause internal solder joints to crack and electronic components to fail. Many people are tempted to grab a used BCM from a salvage yard, only to find out it won’t work because it’s programmed to the donor vehicle’s VIN and options. Our service solves that critical problem. By flashing this module with your specific VIN and the latest software, we provide a component that is often more reliable than the original, saving you hours of diagnostic time and hundreds of dollars in dealer programming fees.
Important Post-Installation Information
While this module is programmed for a straightforward installation, some vehicles may require additional steps to sync all systems perfectly:
- Airbag System Sync: If the airbag warning light is on after installation, a ‘Setup SDM Primary Key in BCM’ procedure must be performed with a professional scan tool. This is a simple sync procedure for a qualified technician.
- Brake Pedal Position Relearn: On some models, a brake pedal position sensor recalibration may be necessary to ensure proper brake light and traction control functionality.
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
What exactly does a Body Control Module do?
The BCM acts as the central computer for your vehicle’s body electronics. It controls non-engine related functions like power windows, locks, interior and exterior lighting, security system, wipers, and more. When it fails, these systems can become erratic.
Why do I need to provide my VIN?
Your vehicle’s VIN (Vehicle Identification Number) is essential for us to program the BCM correctly. It allows us to load the specific software and settings for your truck’s exact options package, ensuring all features work as they did from the factory.
Is this BCM difficult to install?
For someone with basic mechanical skills, the physical replacement is straightforward. The BCM is typically located under the driver’s side dashboard. Because we pre-program the module, you avoid the most complex part of the job, which is the software setup that usually requires a trip to the dealer.
What if my airbag light comes on after installation?
This can happen occasionally. It simply means the new BCM needs to be electronically ‘introduced’ to the airbag system’s computer (SDM). A qualified technician with a professional scan tool can perform the ‘Setup SDM Primary Key in BCM’ procedure in a few minutes to resolve this.
Do I need to send my old BCM back?
No. This purchase has no core charge, so you are not required to return your original module. This simplifies the process for you.
Will this fix my ‘Service 4WD’ message?
While the BCM can be involved in 4WD system communication, a ‘Service 4WD’ message is more often caused by the transfer case control module (TCCM), the encoder motor, or the dash switch. It is important to diagnose the specific codes before replacing the BCM for this issue.