Is your GM truck or van experiencing strange electrical issues?
If your power windows, door locks, interior lights, or radio are acting erratically, the cause is often a failing Body Control Module (BCM). The BCM is the central command center for your vehicle’s body electronics, and when it malfunctions, it can create a host of frustrating and unpredictable problems. Don’t let these electrical gremlins sideline your vehicle. This direct-replacement BCM is the reliable solution to restore full functionality to your vehicle’s accessories.
Common Symptoms of a Failing BCM
- ✔ Intermittent or non-working power windows and door locks.
- ✔ Horn honking unexpectedly or not working at all.
- ✔ Interior or exterior lights staying on or not turning on.
- ✔ Security system faults or the vehicle not starting due to a security lockout.
- ✔ Inaccurate gauge readings or warning lights on the dash.
- ✔ Radio and climate control malfunctions.
From the Diagnostic Bay
We had a 2005 Silverado 2500 in the shop where the owner had already replaced the driver’s side window motor twice, but the window would still only work sometimes. He was convinced he kept getting faulty motors. After a quick scan, we saw communication faults with the BCM. The Body Control Module wasn’t sending a consistent signal to the door module. We installed a VIN-programmed BCM, and the original window motor worked perfectly. It’s a classic case of chasing symptoms instead of diagnosing the root cause – a faulty BCM.
The Simple, Reliable Solution: A Programmed 2003-2007 GM BCM
Forget expensive dealership visits and programming fees. We make the repair process straightforward. When you purchase this module, simply provide us with your vehicle’s VIN during checkout. Our technicians will program the BCM with the latest GM software specific to your exact vehicle configuration. This ensures that when the part arrives, it’s ready for installation, saving you time, money, and hassle. This is the most efficient way to get your truck or van back on the road and working correctly.
Important Post-Installation Steps
While our programming handles the majority of the setup, some GM vehicles require a final handshake between modules after installation. Depending on your specific model and the state of its systems, you may need a qualified technician with a professional scan tool to perform one of the following simple procedures:
- Airbag System Sync: If your airbag warning light is illuminated after installation, a procedure called “Setup SDM Primary Key in BCM” is needed to sync the new BCM with the airbag system.
- Brake Pedal Position Relearn: To ensure correct brake light and traction control operation, a brake pedal position sensor relearn may be required.
These are standard procedures for this type of repair and are often quick to perform.
Compatible Part Numbers:
This module is a direct replacement for part numbers: 15167329, 15194169, 15747545, 15136224, 15116065, 15198115, 15136876, and 10367689.
Frequently Asked Questions
How do I provide my vehicle’s VIN?
You can enter your 17-digit VIN in the designated field on the product page or during the checkout process. This is crucial for us to program the module correctly for your vehicle.
Is this BCM difficult to install?
Physically, the BCM is typically located under the steering column or in the center dash and is held in by a few bolts or clips. The main challenge is often access. Because our module comes pre-programmed, you eliminate the most difficult step, which is the software setup.
What does the BCM control?
The Body Control Module acts as a hub for most of your vehicle’s non-engine related electronics. This includes power windows, locks, mirrors, interior and exterior lighting, the security system, wipers, and often the radio and climate controls.
Will this fix my ‘Service 4WD’ message?
While a failing BCM can cause a variety of warning messages, a ‘Service 4WD’ light is more commonly associated with the Transfer Case Control Module (TCCM) or a sensor/actuator in the 4WD system. It’s important to get a proper diagnosis before ordering parts.
Do I need to send my old BCM back?
No. This purchase does not require a core return. You can keep your original module.