2003 – 2006 Avalanche 1500 Body Control Module 15198116 Programmed To Your VIN BCM

2003 – 2006 GM Avalanche 1500 Body Control Module 15198116 Programmed To Your VIN

If your Avalanche’s headlights flicker, windows stick, or alarms trigger randomly, this BCM fix clears DTC codes like U0140 and restores reliable performance. Pre-programmed to your VIN for easy plug-and-play installation, it enhances electrical stability during towing and includes a one-year warranty for peace of mind. Save on costs with no core charge—fix your Avalanche electrical issues today!

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2003 – 2006 Chevrolet Avalanche 1500 Body Control Module (BCM) 15198116 – Pre-Programmed to Your VIN with One-Year Warranty from Highway71AutoParts.com

Ever dealt with your 2003-2006 Chevrolet Avalanche 1500 acting up on a rainy drive—headlights flickering erratically, power windows refusing to budge, or the alarm going off without reason? These frustrating symptoms often point to a failing Body Control Module (BCM), the central hub managing your truck’s electrical systems like lighting, locks, and security. As a seasoned mechanic who’s diagnosed countless GM trucks, I’ve seen how moisture or age can corrupt the BCM, triggering DTC codes like U0140 or B1370 and leaving owners stranded. The good news? Our pre-programmed BCM, part number 15198116, resolves these issues seamlessly. It’s flashed with the latest GM updates using your VIN for an exact match, ensuring compatibility with interchangeable numbers like 10383536, 15116066, and more. This direct replacement clears persistent error codes, restores smooth operation, and boosts overall vehicle reliability, especially for towing heavy loads where stable electronics are crucial. Beyond basics, it prevents cascading failures that could affect safety features, giving you peace of mind on long hauls.

Key Features & Benefits

  • Pre-flashed with GM’s newest software updates via your VIN, eliminating the need for dealer visits and ensuring plug-and-play readiness that clears DTC codes right away.
  • One-year warranty backs every unit, covering defects and providing confidence in performance for daily drives or demanding tasks like towing.
  • No core charge means you save upfront costs—simply install and get back on the road without returning your old part.
  • Enhances electrical stability, improving features like remote start and keyless entry, which is vital for older Avalanche models facing corrosion in harsh weather.
  • Compatible across various GM vehicles, including Sierra and Silverado pickups, offering versatility if you own multiple trucks in the family.
  • Supports better fuel efficiency indirectly by optimizing accessory power management, a subtle win for long-term ownership costs.

Common Issues & How This Fixes Them

In my two decades fixing GM trucks, BCM failures in 2003-2006 Chevrolet Avalanche 1500 models often stem from electrical shorts, water intrusion under the dash, or simply component wear over time. One common headache is intermittent power door locks that fail to respond, caused by corrupted BCM signals—I’ve had customers miss work because they couldn’t secure their vehicle. This replacement BCM fixes it by restoring precise control, preventing those embarrassing lockouts. Another issue: dashboard warning lights staying on, like the security or airbag indicators, which might trigger DTC codes and fail inspections. Our pre-programmed unit clears these codes effectively, as it’s updated to GM specs, avoiding the trial-and-error of generic parts. For towing enthusiasts, a faulty BCM can lead to unreliable trailer lighting, risking accidents; this module ensures consistent voltage output, improving towing reliability on highways. Plus, in cold climates, where battery drain from malfunctioning accessories is rampant, it stabilizes power distribution to extend battery life. Real scenario: A client with a 2005 Avalanche towed in after lights dimmed during a snowstorm—swapping the BCM not only fixed the dimming but also resolved hidden issues like erratic wiper function, saving him from pricier repairs down the line. By addressing root causes with expert-matched programming, you’ll avoid repeat visits to the shop and enjoy a smoother ride.

Easy Installation Guide

  1. Provide your VIN after purchase so we can program the BCM with the latest GM updates tailored to your 2003-2006 Avalanche 1500.
  2. Disconnect the battery to ensure safety and prevent electrical surges—locate the BCM under the steering column.
  3. Remove the old BCM by unplugging connectors and unscrewing mounts; compare it to the new unit for a perfect match.
  4. Install the new BCM, reconnect all wiring securely, and reconnect the battery.
  5. Perform necessary relearns: If no-start occurs, do a theft deterrent relearn by turning the key to ON for 10 minutes (three cycles if needed). Reset the airbag warning light via the ‘Setup SDM Primary Key in BCM’ procedure with a diagnostic tool.
  6. For some vehicles, recalibrate the brake pedal to optimize braking performance—consult your manual or a tech if unsure.
Pro Tip: After BCM replacement in your Avalanche, scan for codes immediately to confirm clearance; this step often reveals if related sensors need attention, saving diagnostic time.

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 replacement today to restore reliability and clear those nagging codes. Order now from Highway71AutoParts.com and drive with confidence!

Conditions & Options

Programmed to your VIN GM: 15116066

Genuine OEM

Yes

MPN

15198116

Interchange part number

Condition

Refurbished

PartNumber

591

Model

Avalanche 1500

Make

Year

2006

Brand

CHEVROLET TRUCK

Manufacturer Part Number

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