2004.5-2005 LLY Duramax 6.6 FICM Repair

Restore Peak Performance to Your LLY Duramax! Our specialized FICM repair service for 2004.5-2005 6.6L LLY Duramax engines targets common failure points, ensuring your truck runs smoothly and reliably. Save money and avoid costly replacements.

$950.00

LLY Duramax 6.6 FICM Repair Service

Is Your LLY Duramax Plagued by FICM Problems? Get a Professional Repair! Owners of the 2004.5-2005 Chevrolet Silverado and GMC Sierra equipped with the 6.6L LLY Duramax engine know the importance of a properly functioning Fuel Injector Control Module (FICM). FICM issues are a known concern for these powerful engines and can lead to a host of performance and drivability problems. Get your LLY Duramax 6.6 FICM Repair today.

Don't Ignore These Common LLY Duramax FICM Failure Symptoms:

  • Hard Starting or No Start: Particularly noticeable when the engine is cold, or after a short soak.
  • Rough or Unstable Idle: Your truck may shake or have an inconsistent idle speed.
  • Reduced Power and Acceleration: Noticeable lack of get-up-and-go, especially under load.
  • Increased Smoke Output: Often white or greyish smoke, especially on startup or during acceleration.
  • Poor Fuel Mileage: A sudden drop in MPG can indicate FICM troubles.
  • Engine Stalling or Quitting: The engine may die unexpectedly while driving or at idle.
  • Limp Mode Activation: The truck may go into reduced power mode.
  • Diagnostic Trouble Codes (DTCs): You might see codes related to injector circuits (e.g., P0201-P0208) or FICM performance/communication (e.g., U0105, P0603).

Why Opt for Our LLY Duramax FICM Repair Service?

Replacing your LLY FICM with a new unit can be extremely expensive. Our expert repair service offers a reliable, efficient, and significantly more affordable alternative. We go beyond simple fixes, addressing the underlying causes of LLY FICM failures and often upgrading internal components for improved resilience.

Key Benefits of Our LLY FICM Repair:

  • Substantial Cost Savings: Keep more money in your pocket compared to the price of a new or remanufactured FICM.
  • Targeted LLY Solutions: Our technicians are well-versed in the specific failure modes common to LLY Duramax FICMs and will meticulously repair and reinforce your module.
  • Rapid Turnaround Time: We understand that vehicle downtime is a major inconvenience. Our goal is to repair and return your FICM quickly.
  • Often No Reprogramming Needed: When your original FICM is repaired, it typically won't require expensive dealership reprogramming, saving you time and money.
  • Upgraded Components for Longevity: We utilize high-quality components, often superior to the original, to enhance the durability and lifespan of your repaired FICM.

Our Straightforward Repair Process:

  1. Place Your Order: Purchase the LLY Duramax 6.6 FICM Repair service through our website.
  2. Send Us Your Module: Securely package your LLY FICM and ship it to our dedicated repair center at 1633 Banks Rd, Margate, FL 33063
  3. Expert Diagnosis, Repair & Testing: Our experienced technicians will thoroughly diagnose, repair, and rigorously test your FICM to ensure optimal performance.
  4. Receive Your Revitalized FICM: We will promptly ship your fully functional FICM back to you, ready for reinstallation and to get your LLY Duramax back to peak condition.

Don't let a failing FICM compromise your LLY Duramax's power and reliability. Choose our expert repair service today for a lasting and affordable solution!

Compatible Models:

  • Primarily 2004.5-2005 Chevrolet Silverado 2500HD/3500HD with 6.6L LLY Duramax
  • Primarily 2004.5-2005 GMC Sierra 2500HD/3500HD with 6.6L LLY Duramax (The "LLY" designation specifically refers to the engine used in these model years, distinguishing it from the earlier LB7 and later LBZ.)

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Common Error/Fault Codes Related to a Malfunctioning Engine Control Module

Error Codes: P0606, P0601, P0602, P0603, P0604, P0605, P0031, P0038, P0037, P0051, P0057, P0351, P0352, P0353, P0354, P0355, P0356, P0357, P0358, P0359

Why Purchase Your ECM From Automotive Computer Performance?
  • Your module will function like new; Unlike some of our competitors, we perform all of the testing and repair services ourselves. This means your module will arrive fully functional, pre-programmed and ready for installation
  • We stand by our products – If it is going to fail, it’ll fail within the first 12 months. That’s why we got you covered with a 12-month warranty and lifetime phone support when you need us
  • Guaranteed OEM products; Refurbished and Tested to Meet Manufacturers Specifications
  • Latest Software Updates
  • Plug & Drive – No Additional Programming Required
  • ASE Certified In-House Automotive Electrical Technicians
  • Readily Available Support Agents (email, phone, live chat).
  • Our customers love us! – BBB Accredited; Google Verified Merchant; 1000’s of happy customers.

Unlike some of our competitors, we are a full-service automotive computer repair facility. That means we can control our quality standards and committed to providing a great customer experience and a module you can rely on. Each and every module that we sell has been professionally inspected, diagnosed, repaired in-house by one of our certified automotive and electrical engineers and includes a one-year replacement warranty. This provides you with the peace of mind of unparalleled quality repairs and dedicated support for the life of your product.