Engine Control Module (ECM), 2004 Ford Mustang 3.8L, 4R3Z-12A650-LC, VCM-F8497FL

Product Price $635.00

OE Numbers

Ford

4R3A12A650ACA, 4R3A12A650AEA, 4R3A12A650KA, 4R3A12A650KB, 4R3A12A650KC, 4R3A12A650LA, 4R3A12A650LB, 4R3A12A650LC, 4R3Z12A650ACA, 4R3Z12A650AEA, 4R3Z12A650KA, 4R3Z12A650KB, 4R3Z12A650KC, 4R3Z12A650LA, 4R3Z12A650LB, 4R3Z12A650LC


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  • Description
  • Product Specification
  • Buyers Guide
  • Warranty
  • FAQ's

Engine Control Module (ECM), 2004 Ford Mustang 3.8L, 4R3Z-12A650-LC, VCM-F8497FL

VCM Rebuilders specializes in restoring ECMs/PCMs to like-new conditions. Our experts start by analyzing failures to identify opportunities for targeted improvements. During the rebuilding process, we use only premium components, and each module undergoes rigorous testing with advanced computer diagnostics. Each unit comes loaded with the latest O.E. software calibration available where applicable. Our goal is to deliver dependable solutions that ensure your vehicle operates safely and efficiently

  • VCM SKU:

    VCM-F8497FL
  • Product Condition:

    Remanufactured
  • Connector Gender:

    Female
  • Connector Quantity:

    1
  • Flash Programming Required:

    Yes
  • Flashable:

    Yes
  • Mounting Hardware Included:

    No
  • Removable PROM:

    No
  • Terminal Gender:

    Male
  • Terminal Quantity:

    104
  • Terminal Type:

    Pin
  • E Waste:

    Yes
Make Model Year Engine Notes
Ford Mustang 2004 3.8L PATS Module Requires Programming after ECM Install. Correct VIN and OE Number required when ordering All Calibrations with Module ID MP2-18B
Ford Mustang 2004 3.9L Not all Ford vehicles require a PATS reset. Refer to the PATS chart on the original equipment manufacturer’s service website to determine your specific requirements.

This warranty expressly excludes coverage for any labor costs related to the installation or removal of parts, as well as fees incurred for key programming or flash programming. Under no circumstances will the Buyer be reimbursed for these expenses. By accepting this warranty, the Buyer acknowledges and agrees that the Seller’s liability is strictly limited to the purchase price of the item. The Seller shall not be held responsible for any damages or injuries arising from the use of products sold by VCM Rebuilders LLC. The Buyer expressly and irrevocably waives any such claims against the Seller. The one-year warranty will be considered null and void if the returned item exhibits any of the following conditions:

β€’ Presence of burnt or scorched components β€’ Indications of physical damage or exposure to moisture

β€’ Evidence of incorrect installation, or not following the OE process and procedures

β€’ Unauthorized alteration, tampering, disassembly, or use outside of the original design intent

β€’ Compromised, removed, or broken security seals By completing this purchase, the Buyer affirms full understanding and acceptance of all terms contained herein.

β€’ These terms shall govern and supersede all related agreements or representations.


Verify that the PCM is correctly flash programmed for your vehicle. If your vehicle has the Ford passive anti-theft system, an on-car relearn procedure is necessary.

Not all Ford vehicles require a PATS reset. Refer to the PATS chart on the original equipment manufacturer’s service website to determine your specific requirements.

Common symptoms include the Check Engine Light remaining on after reset, unexpected engine shutdowns, loss of spark or fuel injection, absence of fuel pump pulse, and intermittent starting

Remanufacturing is the process of taking used parts, completely disassembling and thoroughly cleaning them, replacing the worn components with original quality components, and restoring them to their original function. Every unit is 100% tested to ensure O.E. performance.

Before replacing the original ECM or PCM, identify the cause of failure. Typical reasons include poor grounds or power supply, faulty wiring harnesses, and shorted solenoids or relays.