2003 – 2006 Avalanche 1500 Body Control Module 15136225 Programmed To Your VIN BCM

2003 – 2006 GM Avalanche 1500 Body Control Module 15136225 Programmed To Your VIN

Struggling with flickering lights or faulty door locks in your Avalanche? This pre-programmed BCM clears DTC codes like P1626 and U1000, restoring reliable performance and towing stability for safer hauls. It prevents battery drain and ensures seamless integration with your VIN, backed by a one-year warranty. Scan for codes first to pinpoint fixes—easy and effective. Address your BCM issues today!

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2003 – 2006 Chevrolet Avalanche 1500 BCM (BCM) 15136225 – 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 during a rainy drive, or wondered why your door locks fail intermittently on long hauls? As a seasoned mechanic who’s fixed countless GM trucks, I’ve seen how a faulty Body Control Module (BCM) can turn reliable rides into frustrating puzzles. This pre-programmed BCM, part number 15136225, steps in as your direct solution, flashed with the latest GM updates using your VIN for seamless integration. It clears persistent DTC codes like those tied to lighting or security glitches, restoring smooth operation and improving overall vehicle reliability. Compatible with a range of GM models including Sierra 3500 Pickups, Silverado 1500 Crew Cabs, Escalades, and even Hummer H2s from similar years—check the full list below for exact fits. Beyond basics, this module enhances towing stability by ensuring consistent electrical signals, drawing from real-world cases where owners regained confidence on highways after replacement. Transitioning to benefits, it not only resolves immediate issues but prevents cascading failures, like battery drain from malfunctioning accessories, based on diagnostics I’ve run over decades.

Common Issues & How This Fixes Them

In my shop, Avalanche 1500 owners often roll in complaining about dashboard lights flickering or the security system locking them out—classic signs of a failing BCM. This central hub manages everything from interior lighting to anti-theft features, and when it glitches due to water intrusion or electrical surges (common in 2003-2006 models exposed to harsh weather), it triggers DTC codes like P1626 or U1000, leading to no-start conditions or erratic accessory behavior. For instance, one client towing a trailer noticed intermittent brake light failures, risking safety on inclines; a fresh BCM fixed it by recalibrating signals and clearing codes. Another issue: power door locks not responding, often from corroded connections under the steering column, causing daily hassles. This replacement unit, programmed to your VIN, directly addresses these by restoring communication between modules, improving response times and reliability for heavy-duty use. Expert tip: Scan for codes before swapping to pinpoint root causes—I’ve seen this save hours. It also tackles battery drain from phantom loads, extending component life in high-mileage trucks. By opting for this, you’re not just patching; you’re optimizing for long-term performance, especially in demanding scenarios like off-road adventures or commercial hauling.

Key Features & Benefits

  • Arrives pre-flashed with GM’s newest software updates, matched to your VIN for plug-and-play ease—no dealership visits needed.
  • Supports multiple part numbers like 10383536, 15116066, and 15257043, ensuring broad compatibility across GM trucks and SUVs.
  • Enhances electrical system stability, clearing DTC codes and boosting towing reliability for safer heavy loads.
  • Comes with a one-year warranty, reflecting durable build quality that withstands extreme conditions in vehicles like the Avalanche 1500.
  • Eliminates core charges, making it a cost-effective choice that gets you back on the road faster with minimal downtime.
  • Improves accessory functions, from climate control to keyless entry, based on real fixes I’ve implemented for similar models.
Pro Tip: If your Avalanche experiences a no-start after BCM install, perform a simple theft deterrent relearn—insert key, turn to ON for 10 minutes, off for 30 seconds, repeat three times. This often resolves it without tools.

Easy Installation Guide

  1. Provide your VIN after purchase so we can program the BCM precisely for your 2003-2006 Avalanche 1500.
  2. Disconnect the battery to ensure safety—negative terminal first—to avoid electrical shorts during the swap.
  3. Locate the BCM under the steering column (or center dash in some vans); remove mounting screws and unplug connectors carefully.
  4. Install the new unit, reconnecting all harnesses securely, then reconnect the battery.
  5. After installation, reset the airbag warning light by performing the ‘Setup SDM Primary Key in BCM’ procedure with a diagnostic tool.
  6. If needed, recalibrate the brake pedal for optimal safety—consult your manual or a tech, as some GM models require this step post-replacement.

Fitment Details

Compatible with:

2003 – 2006 Chevrolet Avalanche 1500

Verify part numbers; provide VIN for confirmation. No core charge required.

Don’t let BCM troubles sideline your Avalanche—grab this pre-programmed unit today to reclaim reliable performance and peace of mind on every drive. Order now from Highway71AutoParts.com and drive confidently tomorrow.

Conditions & Options

Programmed to your VIN GM: 15116066

Genuine OEM

Yes

MPN

15136225

Interchange part number

Condition

Refurbished

PartNumber

591

Model

Avalanche 1500

Make

Year

2006

Brand

CHEVROLET TRUCK

Manufacturer Part Number

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