FOR SALE: Genuine 18-23 Ford Mustang GT 5.0L Auto PCM ECU Engine Computer (JR3A-12A650-ABA) OEM

Replace the malfunctioning engine control unit (ECU / PCM) in your 2018-2023 Ford Mustang GT 5.0L Automatic with this genuine OEM Powertrain Control Module. Part Number: JR3A-12A650-ABA.

This is the main computer responsible for managing your engine's performance, transmission shifting, emissions, and various other critical functions. If your Mustang is experiencing issues like no-start conditions, erratic engine behavior, persistent check engine lights related to the PCM, or transmission shifting problems, a faulty ECU could be the culprit. This unit is a direct replacement for the original module with the matching part number.

Key Features:

• Genuine Ford OEM Part: Ensures factory quality, compatibility, and performance.

• Direct Replacement: Designed specifically for the applications listed below with the exact matching part number.

• Tested & Functional: Removed from a running vehicle and/or tested for core functionality (verify testing procedure if applicable).

Technical Specifications:

• Part Number: JR3A-12A650-ABA

• Hardware Part Number: JR3A-12B684-AA (Often listed on module, verify if visible)

Compatibility:

• Ford Mustang GT: 2018, 2019, 2020, 2021, 2022, 2023

  • Engine: 5.0L V8

  • Transmission: Automatic Transmission ONLY

!!! CRUCIAL PROGRAMMING INFORMATION - MUST READ !!!

1. THIS MODULE REQUIRES PROFESSIONAL PROGRAMMING. It is NOT plug-and-play.

2. VIN & IMMOBILIZER (PATS) PROGRAMMING: After installation, this PCM MUST be programmed/flashed to your vehicle's specific Vehicle Identification Number (VIN) by an authorized Ford dealership or a qualified automotive technician/shop equipped with Ford diagnostic tools (like Ford IDS or FDRS).

3. Immobilizer Synchronization: The Passive Anti-Theft System (PATS) keys must also be reprogrammed/synchronized to this replacement PCM, otherwise the vehicle WILL NOT START.

4. BUYER RESPONSIBILITY: It is the buyer's responsibility to ensure they have access to the necessary programming services before purchasing. We are not responsible for programming costs, procedures, or issues arising from incorrect programming.

5. CONFIRM PART NUMBER: You MUST match the part number JR3A-12A650-ABA exactly to your vehicle's original PCM. Failure to match the part number can result in incompatibility and programming issues, even if the model and year match.

Condition:

• This is a used, genuine OEM part in good working condition.

• It has been carefully removed from a vehicle. The casing may show minor cosmetic signs of wear or handling, typical of a used engine bay component, but this does not affect its functionality.

• All connector pins have been inspected and are intact and straight.

• Please see all photos for the exact cosmetic condition of the module you will receive.

What's Included:

• One (1) Ford Mustang GT PCM / ECU (Part #: JR3A-12A650-ABA)

PLEASE NOTE: No wiring harnesses, mounting brackets (unless integral to the PCM), or programming services are included.

Get your Mustang GT's brain back in top shape with this genuine Ford PCM!