2010 Avalanche 1500 Body Control Module 20935349 Programmed To Your VIN VIN BCM

2010 Chevrolet Avalanche 1500 Body Control Module (BCM) 20935349 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com

Ever dealt with your 2010 Chevrolet Avalanche 1500 suddenly losing power to the windows or lights flickering erratically during a rainy off-road trip? You’re not alone—I’ve seen countless truck owners frustrated by these glitches, often asking, “Why does my Avalanche’s electrical system act up in wet weather?” These symptoms point to a failing Body Control Module (BCM), the central hub managing everything from door locks to interior lighting. Replacing it with our pre-programmed BCM, part number 20935349, resolves these headaches swiftly. This unit comes flashed with the latest GM updates using your VIN for a perfect match, ensuring seamless integration. It’s compatible with a range of GM vehicles, including various Chevy, GMC, Cadillac, and Pontiac models from 2006-2013, such as the Tahoe, Yukon, Impala, and Express vans—cross-referencing IDs like 25892622 or 20815898. By addressing root causes like moisture-induced corrosion or voltage spikes, this BCM not only clears persistent DTC codes but also boosts overall system reliability, preventing costly breakdowns and improving daily drivability in demanding conditions like towing heavy loads.

Common Issues & How This Fixes Them

In my two decades fixing GM trucks, I’ve diagnosed BCM failures in vehicles like the 2010 Avalanche 1500 that manifest as intermittent no-start conditions, especially after battery replacements or exposure to extreme weather. One common culprit? Corroded connectors leading to communication errors between the BCM and other modules, triggering codes like P1629 or U0100, which can disable anti-theft systems and leave you stranded. This disrupts features such as remote keyless entry or automatic headlights, compromising safety during night drives. Another frequent issue is erratic power distribution, causing windows to stick or dome lights to stay on, draining the battery overnight—I’ve had clients report this after hauling gear in humid climates, where internal faults amplify the problem. Our pre-programmed BCM fixes these by restoring precise control signals, eliminating voltage irregularities, and incorporating GM’s latest firmware to prevent recurrence. For instance, if you’re towing trailers regularly, this module enhances stability by ensuring consistent relay operations, reducing risks of electrical shorts. Plus, it clears DTC codes effectively, often resolving airbag warning lights that pop up due to mismatched programming. Drawing from real shop scenarios, I’ve seen replacements like this improve fuel efficiency indirectly by optimizing accessory power management, saving owners from repeated diagnostic fees.

Key Features & Benefits

• Pre-flashed with your VIN-specific GM updates for immediate plug-and-play functionality, saving hours on dealership programming.
• Supports multiple compatible part numbers, including 25892622 and 20815898, ensuring broad fitment across GM lineup for versatile repairs.
• Enhances vehicle security by stabilizing anti-theft protocols, which is crucial for Avalanche owners in high-theft areas.
• Improves towing reliability by maintaining steady electrical flow to trailer connections, preventing failures during heavy-duty use.
• Comes with a one-year warranty and no core charge, providing peace of mind without extra costs or hassles.
• Optimizes system diagnostics, helping clear stubborn DTC codes and restore smooth operation in modules like lighting and climate control.

Easy Installation Guide

1. Provide your VIN after purchase so we can program the BCM with the exact GM specifications for your 2010 Avalanche 1500.
2. Disconnect the battery to ensure safety, then locate the BCM under the steering column—it’s typically secured with a few bolts for easy access.
3. Remove the old unit by unplugging connectors carefully, avoiding damage to wiring harnesses; inspect for corrosion as a preventive tip.
4. Install the new BCM, reconnect all plugs, and secure it in place before reattaching the battery.
5. Perform necessary relearns: If a no-start occurs due to theft system mismatch, cycle the key from off to on (without starting) for 10 minutes, three times. Also, use a diagnostic tool for ‘Setup SDM Primary Key in BCM’ to reset airbag lights, and recalibrate the brake pedal if your model requires it for optimal braking response.
6. Test all functions like lights, locks, and windows; consult your manual or a pro if issues persist, as steps can vary slightly by vehicle.

Fitment Details

Don’t let BCM failures sideline your Avalanche—get back to reliable performance with this pre-programmed solution that tackles real-world issues head-on. Order now from Highway71AutoParts.com and experience the difference in your truck’s electrical stability, backed by expert support and a solid warranty. Act today to avoid downtime!