Restore Full Electrical Control to Your GM Truck or SUV
If your 2003-2007 GMC Sierra, Chevrolet Silverado, or other compatible GM vehicle is plagued by frustrating electrical problems, a failing Body Control Module (BCM) is the likely culprit. The BCM acts as the central command center for your vehicle’s body electronics. When it malfunctions, you can experience a wide range of issues from non-working power windows and door locks to intermittent HVAC operation and false security system alarms. This replacement BCM, part number 15137393, is the definitive solution to restore your vehicle’s proper function and reliability.
This module arrives expertly programmed to your vehicle’s specific VIN, ensuring a seamless, plug-and-play installation process. By matching the software to your truck’s factory settings, we eliminate the need for costly and time-consuming trips to the dealership for programming. Simply install the module, and get back on the road with confidence.
Common Symptoms of a Failing 2003-2007 Sierra BCM
A faulty BCM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your module needs replacement:
- ✔ Erratic or non-functional interior and exterior lights.
- ✔ Power windows, door locks, or mirrors that work intermittently or not at all.
- ✔ The air conditioning or heater blower motor fails to operate correctly.
- ✔ Your vehicle’s security system engages randomly, or you experience a no-start condition.
- ✔ The airbag warning light is illuminated on the dash, often with a B1001 diagnostic trouble code.
- ✔ Communication errors with other vehicle modules are present when scanned.
Engineered for Reliability and Easy Installation
This BCM is built to meet or exceed original equipment standards for a dependable, long-lasting repair. It directly replaces a wide range of original part numbers, including 15116066, 15136225, 15137393, and more, making it a versatile solution for many GM trucks and SUVs from this era. Installation is straightforward for the average DIY mechanic and typically takes less than 15 minutes. The module is usually located under the driver’s side dashboard near the steering column. Disconnecting the battery before you begin is a crucial step to ensure the system resets properly.
While our VIN programming handles the primary setup, some vehicles may require a ‘Setup SDM Primary Key in BCM’ procedure if the airbag light remains on after installation. This is a simple sync procedure that can be performed with a capable professional scan tool. There is no core charge for this part, so you can keep your old module without any hassle.
Frequently Asked Questions
What exactly does the Body Control Module do?
The BCM is a computer in your vehicle that manages and controls a wide variety of electronic accessories not related to the engine, such as power windows, locks, lights, wipers, HVAC fan speeds, and the security system.
Is this BCM difficult to install?
No, installation is designed to be simple. It’s typically located under the steering column, held in by a few clips or bolts. With basic tools, most people can replace it in under 15 minutes. Our VIN programming makes it a plug-and-play process.
Will I need to go to the dealership after installing this part?
No. This BCM is pre-programmed to your vehicle’s VIN, which means you can skip the dealership programming. In some cases, a post-install relearn procedure for the airbag system may be needed, which can be done by any qualified shop with a professional scan tool.
What happens if my airbag light is on after installation?
If the airbag light is on, it means the new BCM needs to be synced with the vehicle’s Sensing and Diagnostic Module (SDM). This requires a ‘Setup SDM Primary Key in BCM’ procedure using a professional diagnostic tool to complete the handshake between the two modules.
How can I be sure this part fits my truck?
This BCM fits a wide range of 2002-2007 GM trucks and SUVs, including the Sierra, Silverado, Tahoe, Yukon, and Escalade. Please verify your vehicle in the fitment chart or match your original part number to the list of interchangeable numbers provided.
Is there a core charge for this BCM?
No, there is no core charge. You are not required to send your old part back to us, which simplifies the repair process for you.