Restore Your Truck’s Electrical System with a Plug-and-Play Solution
Are you tired of chasing electrical gremlins in your GM truck or van? One minute the power windows work, the next they don’t. The security light is flashing, the gauges are acting possessed, or the interior lights have a mind of their own. These frustrating and unpredictable issues often point to one culprit: a failing Body Control Module (BCM). As the central hub for your vehicle’s body electronics, a faulty BCM can cause a cascade of problems that are maddening to diagnose. This is the reliable, straightforward fix you’ve been looking for.
This isn’t just a replacement part; it’s a complete solution. We professionally program this GM Body Control Module with the latest GM software updates, tailored specifically to your vehicle using your VIN. This critical step ensures all the factory-installed options on your truck or van work correctly right out of the box, eliminating the need for an expensive trip to the dealership for programming. You get a fully functional module that restores your vehicle’s performance and your peace of mind.
A Technician’s Notebook: The Phantom No-Start
“A 2005 Silverado 2500 was towed into my bay with an intermittent no-crank condition. The owner had already replaced the battery and the starter, but the problem persisted. When it acted up, the security light would flash, but there were no engine codes. Instead of just looking at the powertrain, I pulled codes from all modules. I found several ‘U’ codes (communication errors) stored in the BCM. After confirming power and ground to the module were good, we swapped in a pre-programmed BCM. The communication faults vanished, the security system reset properly, and the truck has started reliably ever since. It’s a classic case where the BCM failure mimics other, more common issues.”
Is Your GM Vehicle Showing These Symptoms?
- ✔ Power windows, door locks, or mirrors operating erratically or not at all.
- ✔ Interior dome lights or dashboard lights staying on or not turning on.
- ✔ The anti-theft or security light is flashing, preventing the engine from starting.
- ✔ Horn honking unexpectedly or not working when pressed.
- ✔ Instrument cluster gauges (speedometer, tachometer) behaving erratically.
- ✔ False warnings appearing on the driver information center (DIC).
- ✔ Stored diagnostic trouble codes (DTCs) for loss of communication, such as U0140, U0155, or U0164.
- ✔ Wipers activating on their own or not functioning correctly.
Your Straightforward Installation Guide
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate the BCM: On most Silverado, Sierra, and SSR models, 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 Trim Panels: Carefully remove any plastic trim or kick panels necessary to access the module. These usually pop off or are held by a few simple screws.
- ✔ Disconnect and Unbolt: Unplug the electrical connectors from the old BCM. They have locking tabs that need to be depressed. Then, unbolt the module from its mounting bracket.
- ✔ Install the New Module: Bolt your new, pre-programmed BCM into place. Securely plug in all the electrical connectors, ensuring they click and lock.
- ✔ Reconnect and Test: Reinstall any trim panels you removed. Reconnect the negative battery terminal. Turn the key to the ‘ON’ position and test all body functions—windows, locks, lights, wipers, etc.—to confirm proper operation.
Important Post-Installation Information
While this GM Body Control Module is designed for a simple installation, some vehicles may require additional steps to sync all systems perfectly. Please be aware of the following potential procedures:
- Airbag System Sync: If the airbag warning light is illuminated after installation, a ‘Setup SDM Primary Key in BCM’ procedure is needed. This requires a professional-grade scan tool to sync the airbag system with the new BCM.
- Brake Pedal Position (BPP) Relearn: On some models, a BPP relearn may be necessary to ensure correct brake light operation and to satisfy the traction control system. This can often be done with a capable bidirectional scan tool.
- No Core Charge: We make it simple. There is no core charge for this part, so you can keep your original module without the hassle of shipping it back.
Disclaimer: Vehicle systems vary. Always refer to a factory service manual or consult with a certified technician if you are unsure about any step of the process.
Verified Vehicle Compatibility
This module is a direct replacement for part numbers 15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, and 10367689. It fits the following vehicles:
- Chevrolet Silverado 1500/2500/3500: 2003-2007 (Classic Body Style, excludes Crew Cab)
- GMC Sierra 1500/2500/3500: 2003-2007 (Classic Body Style, excludes Crew Cab)
- Chevrolet Express 1500/2500/3500 Van: 2003-2007 (Excludes commercial tradesman package on some years)
- GMC Savana 1500/2500/3500 Van: 2003-2007 (Excludes commercial tradesman package on some years)
- Chevrolet SSR: 2003-2006
Crucial: After purchase, please send us your vehicle’s 17-digit VIN. We cannot ship your order until we receive your VIN to perform the necessary programming.