2008 – 2012 GM – Body Control Module 15819552 Programmed To Your VIN

2008 – 2012 GMC Sierra 3500 Body Control Module (BCM) 15819552 – Programmed to Your VIN

Imagine hauling a heavy load through rough terrain in your 2008-2012 GMC Sierra 3500, only to have your door locks fail, interior lights flicker erratically, or the security system trigger a no-start condition right when you need reliability most. These frustrating symptoms often point to a faulty body control module, disrupting everything from power accessories to anti-theft functions. Our pre-programmed BCM, specifically the 15819552, arrives ready for your truck—flashed with the latest GM updates using your VIN for seamless integration. It matches a wide array of interchangeable part numbers like 10382479, 15093910, and 25892622, ensuring compatibility across various GM setups. This isn’t just a replacement; it’s a targeted fix that restores smooth operation, preventing costly downtime and enhancing overall vehicle performance. By addressing root causes like corroded connections or software glitches, you’ll regain confidence in your Sierra’s electrical systems, especially during demanding tasks.

Key Features & Benefits

• Arrives fully programmed to your exact VIN, eliminating the need for dealer visits and saving you time on “how to program BCM on GMC Sierra 3500” searches.
• Incorporates newest GM firmware updates, improving system stability and fixing known glitches in 2008-2012 models for better long-term dependability.
• Direct fit for multiple GM vehicles, supporting easy swaps and reducing diagnostic headaches when troubleshooting intermittent electrical faults.
• Enhances security and accessory controls, ensuring features like remote start and power windows operate flawlessly, even in harsh conditions.
• Backed by expert flashing process, this module clears common communication errors, boosting your truck’s efficiency without extra tools or expertise.

Common Issues & How This Fixes Them

In my two decades fixing GM trucks like the Sierra 3500, I’ve seen body control module failures manifest in sneaky ways. One frequent problem is erratic door lock behavior—locks clicking randomly or refusing to respond to the key fob, often due to internal BCM circuit degradation from moisture exposure. This can strand you, especially if towing in wet weather. Replacing with our VIN-programmed 15819552 resolves this by restoring precise signal processing, preventing those annoying lockouts. Another issue involves dashboard warning lights, such as the security indicator staying on, triggering DTC B2955 for security system faults. Causes range from voltage spikes to failed immobilizer communication, leading to no-start scenarios. Our updated module fixes this by recalibrating the anti-theft protocols, often clearing the code without further intervention. Power window malfunctions are common too—windows rolling down but not up, linked to BCM relay failures. This replacement integrates fresh relays and software, ensuring consistent operation. Lastly, lost communication DTCs like U0140 (lost comm with BCM) can halt features like automatic headlights; our part reestablishes network links, drawing from GM’s latest patches. Through real cases, like a 2010 Sierra owner who fixed flickering lights post-replacement, this approach delivers reliable results, empowering you to diagnose and resolve without guesswork.

Easy Installation Guide

1. Provide your VIN immediately after purchase so we can flash the BCM with GM’s latest updates tailored to your 2008-2012 GMC Sierra 3500.
2. Disconnect the battery to ensure safety and prevent electrical surges during the swap—always wear gloves and eye protection.
3. Locate the BCM, typically under the steering column or in the center dash area, and remove the old unit by unplugging connectors and unbolting it carefully.
4. Install the new module in the same position, securing connections firmly to avoid loose wires that could cause future issues.
5. Reconnect the battery and perform a quick system check; if a no-start occurs due to security, initiate the theft deterrent relearn by inserting the key, turning to ON for 10 minutes (three cycles if needed), per GM standards—no relearn required otherwise.
6. Test all functions like lights, locks, and windows; drive a short distance to confirm integration, monitoring for any lingering codes with a basic OBD scanner.

Fitment Details

Restore your GMC Sierra 3500’s electrical harmony today with this VIN-programmed BCM—it’s the smart, hassle-free way to banish those nagging issues for