End Frustrating Electrical Problems and Restore Your Vehicle’s Performance
Are you dealing with bizarre and unpredictable electrical issues in your GM vehicle? Flickering lights, malfunctioning power windows, a security system that acts on its own, or even a vehicle that refuses to start can all point to a failing Body Control Module (BCM). This isn’t just an annoyance; it’s a breakdown in your vehicle’s central nervous system. We offer a reliable, straightforward solution: a professionally programmed 15948439 body control module, flashed with the latest GM software and tailored specifically to your vehicle’s VIN.
Common Symptoms & Your Solution
A failing BCM can cause a cascade of confusing problems. If you’re experiencing any of the following, this module is the definitive solution you’ve been looking for:
- Interior or exterior lights staying on, flickering, or not working at all.
- Power windows, door locks, or mirrors operating intermittently or not at all.
- The security system or anti-theft light preventing the engine from starting.
- Erratic behavior from the radio, instrument cluster, or climate controls.
- Diagnostic Trouble Codes (DTCs) related to communication loss with various modules.
Instead of paying for expensive diagnostic time and programming fees at a dealership, you get a single, cost-effective part that is ready for installation right out of the box. We take care of the complex programming, so you can focus on getting your vehicle back to 100%.
Features & Benefits
- ✔ VIN-Programmed for Your Vehicle: We flash this BCM with the newest GM software using your vehicle’s unique VIN. This ensures perfect compatibility with your specific options and systems, eliminating the need for a trip to the dealer for programming.
- ✔ Restores Full Functionality: Regain reliable control over your vehicle’s critical body electronics, from lighting and security to power accessories, for a safer and more enjoyable driving experience.
- ✔ Broad GM Compatibility: This module is a direct replacement for a wide range of part numbers, covering dozens of popular GM cars, trucks, and SUVs. Please see the extensive fitment list to confirm your model.
- ✔ No Core Charge Required: Save time and money with no need to send your old, faulty module back to us.
- ✔ Peace of Mind Guarantee: This unit is backed by our one-year replacement warranty.
Expert Insight: Why a Pre-Programmed BCM is the Smart Choice
As a technician with over 20 years of experience, I’ve seen countless drivers chase electrical gremlins for weeks, replacing batteries and alternators only to find the BCM was the culprit. The BCM is the traffic cop for your vehicle’s electronics. Over time, internal components can fail from heat cycles and vibration. Simply pulling a used module from a salvage yard is a gamble; it won’t have the correct programming for your vehicle’s options and may fail soon anyway. Our solution provides a programmed 15948439 body control module with fresh, updated software, which often corrects factory bugs and improves performance—a significant advantage over a simple like-for-like replacement.
Installation & Post-Install Notes
After you purchase, simply send us your vehicle’s VIN. We will program the module before shipping it to you. While this module is designed to simplify installation, some vehicles may require one or more of the following procedures to be completed with a professional scan tool after the BCM is installed:
- Airbag System Sync: If the airbag warning light is on, a ‘Setup SDM Primary Key in BCM’ procedure is needed to sync the systems.
- Brake Pedal Position Relearn: A recalibration may be necessary for proper brake light and traction control function.
This expertly programmed 15948439 body control module is your most reliable path to resolving persistent electrical issues and restoring the dependability you expect from your vehicle.
Frequently Asked Questions
What exactly does the Body Control Module do?
The BCM is a computer that manages and controls many of your vehicle’s non-engine-related electronic functions. This includes power windows, door locks, interior and exterior lighting, the alarm system, wipers, and instrument panel warnings.
Is this part truly plug-and-play?
Because we pre-program it to your VIN, it is as close to plug-and-play as possible and will not require dealer programming. However, as noted in the description, some vehicles may require additional ‘relearn’ or ‘sync’ procedures for systems like the airbags or brakes, which must be done with a compatible professional scan tool.
How do I provide my VIN after purchase?
After you complete your purchase, please send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot ship your order until we receive this information, as the programming is essential for the part to work correctly.
What if my original part number isn’t on your list but my vehicle is?
The part numbers listed are the most common, but there can be others. If your vehicle model and year are listed in the compatibility chart, this module is very likely the correct one. The key is that we program it to your VIN, which ensures it works for your specific vehicle configuration.
Will this definitely fix my car’s problem?
This BCM is a direct solution for a faulty module. If your vehicle’s symptoms match those of a failing BCM and it has been properly diagnosed, this part will resolve those issues. It will not fix problems related to wiring, sensors, or other unrelated components.