2003 – 2006 Chevrolet AVALANCHE 1500 BCM (BCM) 15194170 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com
Ever dealt with erratic power windows in your 2003-2006 Chevrolet Avalanche 1500 that refuse to roll down during a scorching summer drive, or dashboard lights flickering like they’re possessed? These frustrations often stem from a failing Body Control Module (BCM), the central hub managing everything from lighting to door locks. As a seasoned mechanic who’s diagnosed countless GM trucks, I’ve seen how water intrusion or electrical shorts can corrupt this module, triggering DTC codes like U0140 or B1370 and leaving you stranded. What if replacing your BCM could restore seamless operation and clear those pesky error codes? Our pre-programmed BCM, part number 15194170, arrives flashed with the latest GM updates tailored to your VIN, ensuring plug-and-play compatibility without dealership hassles. It matches OEM numbers like 10383536, 15116066, and more, fitting models from Sierra pickups to Escalade variants. This isn’t just a swap—it’s a reliability boost that enhances electrical stability, improves accessory response, and even supports towing features by maintaining consistent power distribution.
Common Issues & How This Fixes Them
In my years fixing GM vehicles, BCM failures in the 2003-2006 Avalanche 1500 often show up as intermittent issues that escalate over time. For instance, you might notice door locks cycling on their own, a symptom tied to corrupted BCM software from voltage spikes. This can lead to security system malfunctions, preventing starts and setting off alarms unexpectedly. Another common headache is malfunctioning interior lights or wipers that activate randomly, often due to moisture damage under the steering column where the BCM sits. I’ve encountered this in trucks exposed to harsh winters, where salt and water seep in, corroding circuits and causing DTC codes to pile up. Replacing with our VIN-programmed BCM resolves these by restoring factory calibrations, clearing codes like B2960, and preventing future glitches. Owners report smoother remote keyless entry and better integration with anti-theft systems, reducing no-start scenarios. Plus, it improves overall vehicle reliability for daily commutes or heavy towing, as the module optimizes power to accessories without draining the battery. If you’re troubleshooting “Avalanche 1500 BCM failure symptoms,” this fix eliminates guesswork and gets you back on the road faster.
Key Features & Benefits
- Pre-Flashed for Precision: We program it using your VIN for exact match to your Avalanche 1500, incorporating newest GM software to clear DTC codes and enhance system communication.
- Extensive Compatibility: Works seamlessly with part numbers including 15137393 and 15257045, covering Sierra 2500, Silverado 3500, and even Hummer H2 models for versatile fitment.
- One-Year Warranty Assurance: Backed by our guarantee, this BCM supports long-term reliability, especially in demanding conditions like off-road use or commercial hauling.
- No Core Charge Needed: Skip the hassle of returning your old unit—focus on installation and enjoy immediate improvements in electrical performance.
- Boosts Everyday Functionality: Restores features like automatic headlights and power mirrors, improving safety and convenience while preventing issues like battery drain from faulty modules.
Easy Installation Guide
- Provide your VIN after purchase so we can flash the BCM with the latest GM updates before shipping—ensuring it’s ready to install.
- Disconnect the battery to avoid electrical shocks, then locate the BCM under the steering column in your Avalanche 1500 (or center dash in vans like Savana models).
- Remove the old module by unplugging connectors and unbolting it—note any corrosion for future prevention, like sealing entry points against moisture.
- Install the new BCM, reconnect everything securely, and reconnect the battery to power up the system.
- Perform post-install checks: If a no-start occurs, initiate theft relearn by inserting the key, turning to ON for 10 minutes (three cycles if needed), which syncs the security system without tools.
- For full functionality, reset the airbag warning light via the ‘Setup SDM Primary Key in BCM’ procedure with a diagnostic tool, and recalibrate the brake pedal if your model requires it for optimal safety—consult your manual or a pro if unsure.
Fitment Details
Compatible with:
2003 – 2006 Chevrolet AVALANCHE 1500
Verify part numbers; provide VIN for confirmation. No core charge required.
Don’t let a faulty BCM sideline your 2003-2006 Avalanche 1500—grab this pre-programmed replacement today to reclaim reliable performance and peace of mind. With our one-year warranty and expert flashing, you’re investing in a fix that lasts. Order now and provide your VIN for a seamless match!