2002 – 2005

2002 – 2005 – BCM (BCM) 15081796 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com

Remember that frustrating morning when your 2002 GMC Yukon refused to unlock the doors remotely, or the interior lights stayed on no matter what? As a seasoned mechanic who’s seen countless GM trucks from that era roll into the shop with erratic electrical gremlins, I know how these symptoms point straight to a failing body control module. Questions like “why are my power windows not working on my 2003 Chevy Blazer” or “how to troubleshoot dashboard warning lights in a 2002 Silverado 1500” flood forums daily. This pre-programmed BCM, featuring part number 15081796, steps in as your reliable solution. It’s flashed with the latest GM updates using your VIN for a perfect match, ensuring seamless integration without the headaches of mismatched coding. Compatible with equivalents like 15063578, 15095334, 19208537, DKAK, and DPNU, it covers a wide array of 2002-2005 GM models including Yukons, Silverados, Sierras, Astros, and more. Beyond just swapping parts, this unit restores full functionality, preventing costly towing fees and downtime—drawing from real cases where a simple BCM replacement turned a no-start nightmare into smooth sailing.

Key Features & Benefits

• Arrives fully programmed to your exact VIN, incorporating GM’s newest software for enhanced reliability and performance in demanding conditions like off-road hauling.
• Supports multiple GM vehicles from 2002-2005, eliminating guesswork with verified compatibility across trucks and SUVs for hassle-free installation.
• Comes with a solid one-year warranty, giving you peace of mind against defects—I’ve seen these hold up through harsh winters without a hitch.
• No core charge means you keep your old part or dispose of it easily, saving money and simplifying the process for DIY enthusiasts.
• Optimizes electrical systems like lighting and security, reducing risks of failures that could strand you—think proactive fixes for intermittent issues.
• Includes expert-level flashing that aligns with factory specs, ensuring features like remote entry work flawlessly right out of the box.

Common Issues & How This Fixes Them

In my two decades fixing GM vehicles, BCM failures in 2002-2005 models often manifest as unpredictable electrical behaviors. For instance, you might notice intermittent power window operation in your 2003 S10 pickup, caused by degraded internal circuits that disrupt signal relay—leading to frustration during rainy drives. Another common headache is dashboard warning lights flashing erratically on a 2002 Tahoe, typically from moisture ingress or voltage spikes corrupting the module’s memory, which can even trigger false airbag alerts. Then there’s the no-start condition in a Sierra 3500, where the BCM fails to communicate with the immobilizer system, stranding heavy-duty work trucks at job sites. This pre-programmed replacement directly addresses these by restoring clean communication between body electronics, using updated GM firmware to prevent recurrence. I’ve analyzed cases where corrosion from under-dash leaks exacerbated failures; a fresh BCM not only fixes the immediate problem but enhances resistance to environmental factors. For voice searches like “fixing door locks not responding in 2004 GMC Safari,” this unit recalibrates seamlessly, often resolving related DTCs like B2960 or U1000 without additional scans. By tackling root causes like faulty grounding, it prevents cascading issues, saving you from expensive dealer visits and empowering confident troubleshooting.

Easy Installation Guide

1. Provide your VIN immediately after purchase so we can flash the BCM with precise GM updates tailored to your vehicle.
2. Disconnect the battery to ensure safety, then locate the BCM—under the steering column in models like Yukons or center dash in Astros.
3. Remove the old unit by unplugging connectors and unbolting it carefully; inspect for any corrosion that might have contributed to failure.
4. Install the new BCM in the same position, securing connections firmly to avoid loose wiring issues.
5. Reconnect the battery and perform initial tests for basic functions like lights and locks.
6. Follow post-install procedures: If a no-start occurs, initiate theft relearn by cycling the key from off to run (without starting) 3 times for 10 minutes each, waiting for the security light to extinguish. Additionally, reset the airbag warning light via the ‘Setup SDM Primary Key in BCM’ using a diagnostic tool, and check if brake pedal recalibration is needed for optimal safety—consult your manual or a tech if variances apply.

Fitment Details

Don’t let a faulty BCM sideline your 2002-2005 GM vehicle any longer—grab this pre-programmed unit today to reclaim reliable performance and avoid bigger repair bills down the road. With our VIN-specific flashing and warranty backing, you’re investing in lasting fixes. Order now from Highway71AutoParts.com and get back on the road confidently!