Restore Full Electronic Function to Your GM Truck or SUV
Are you battling frustrating electrical issues in your Chevrolet Silverado, GMC Sierra, or other GM vehicle? A failing Body Control Module (BCM) is often the culprit behind a wide range of problems, from malfunctioning power windows and door locks to a non-responsive HVAC system or a persistent airbag light. This OEM-quality replacement Body Control Module, part number 15136225, is the definitive solution to restore your vehicle’s electronic systems to factory-perfect operation. As the central command center for your truck’s body accessories, a fully functional BCM is critical for safety, comfort, and convenience.
We take the guesswork and high cost out of the repair process. Each module is expertly programmed to your vehicle’s specific VIN before it ships, ensuring a true plug-and-play installation. This eliminates the need for expensive and time-consuming programming at a dealership. By choosing our pre-programmed 2003-2007 Silverado BCM, you’re getting a reliable part that integrates seamlessly with your truck’s existing systems, including the ECU and security features.
Common Symptoms of a Failing BCM
If you’re experiencing any of the following issues, a faulty BCM is the likely cause. Replacing it can resolve multiple problems at once.
- ✔ Erratic or non-working power windows, door locks, or mirrors.
- ✔ Interior or exterior lights that stay on, flicker, or won’t turn on at all.
- ✔ HVAC and climate control failures, such as a blower motor that won’t run or changes speeds on its own.
- ✔ An illuminated airbag warning light on the instrument cluster, often with DTC B1001.
- ✔ Vehicle security system malfunctions, which can lead to a no-start condition.
- ✔ Wipers or radio operating intermittently or not at all.
- ✔ A variety of communication-related Diagnostic Trouble Codes (DTCs).
Installation and Post-Install Considerations
Installing your new 2003-2007 Silverado BCM is a straightforward process. The module is typically located under the driver’s side dashboard, near the steering column. While the VIN programming ensures the module works out of the box, some vehicles may require a simple relearn procedure for specific systems after installation. For example, if the airbag light remains on, a technician will need to perform an ‘SDM Primary Key Setup’ with a professional scan tool. Similarly, a ‘Brake Pedal Position Relearn’ may be needed to ensure proper brake light and traction control function. These procedures are standard for this type of repair and ensure all related vehicle systems are correctly synchronized.
Frequently Asked Questions
What exactly does the Body Control Module do in my Silverado?
The BCM acts as the central computer for your truck’s body electronics. It manages non-engine related functions like the power windows, locks, lights, HVAC system, security system, and wipers.
Is this BCM ready to install right out of the box?
Yes. We program it to your vehicle’s specific VIN before shipping, so it’s a plug-and-play installation that does not require a dealership visit for additional programming.
Do I have to return my old BCM?
No, there is no core charge for this part. You can keep your original module without any extra fees.
My airbag light is on after installing the new BCM. Is it defective?
No, this is a common security measure. A technician will need to perform a ‘Setup SDM Primary Key in BCM’ procedure with a professional scan tool to sync the airbag system with the new module.
How can I be sure this part will fit my truck?
This module, part number 15136225, is a direct replacement for a wide range of 2003-2007 GM trucks and SUVs. It is interchangeable with part numbers 15116066, 10383536, and others. Please verify your part number or use our vehicle fitment tool to confirm compatibility.