HomeCardone 78-1231F Engine Control Module
Part #: 78-1231F

Cardone 78-1231F Engine Control Module

Engine Control Module
2 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Engine Control Module
Fitment: Ford, Focus
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Overview of Cardone Engine Control Module 78-1231F

The Cardone Engine Control Module (ECM) part number 78-1231F is designed specifically for Ford Focus vehicles. This ECM plays a critical role in managing engine functions and ensuring optimal vehicle performance.

  • Compatible with Ford Focus models
  • Part number 78-1231F for precise identification
  • Part of Cardone's Engine Control Module product line
  • Supports engine management and control functions
  • Includes important programming and reset considerations

About the Cardone Engine Control Module Product Line

The Engine Control Module product line from Cardone focuses on delivering reliable and compatible control modules for various vehicle makes and models. This line ensures that each ECM meets specific engineering requirements, providing accurate engine management and communication with vehicle systems. The 78-1231F ECM is part of this line, tailored to fit Ford Focus vehicles and their unique control needs.

Detailed Product Description

The Cardone 78-1231F ECM is an essential component that controls engine operations such as fuel injection, ignition timing, and emissions systems. It is engineered to replace the original ECM in Ford Focus models, ensuring proper vehicle function. When replacing the ECM, it is important to verify compatibility and follow programming procedures, especially regarding vehicle identification number (VIN) programming and passive anti-theft system (PATS) resets where applicable.

Common Issues Addressed by This ECM

  • Engine performance problems due to faulty control modules
  • Check engine light triggered by ECM errors
  • Vehicle starting issues related to ECM or PATS system
  • Irregular fuel consumption or engine misfires
  • Communication errors between engine sensors and control unit

Installation Notes and Tips

  • Confirm the ECM part number 78-1231F matches the original unit
  • Check if VIN programming is required for Chrysler PCM models with a "v" suffix
  • Verify if a passive anti-theft system reset is necessary for your Ford Focus
  • Use a compatible diagnostic tool such as a Tech 2 scanner for programming and resets
  • Ensure the original ECM is properly diagnosed as faulty before replacement

Quality Assurance and Warranty

Cardone Engine Control Modules undergo rigorous testing to meet OEM standards for fit and function. While specific warranty details are not provided here, Cardone typically offers coverage against defects in materials and workmanship. Proper installation and programming are essential to maintain warranty validity and ensure reliable operation.

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009FordFocus2.0LL4N/AAll Calibrations with Module ID 8S4A-12B684-BA,BB,BC,DA; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Vehicle specific Flash programming required ON the vehicle; Correct VIN and OE Number required when ordering; Engine Control Module
2008FordFocus2.0LL4N/AAll Calibrations with Module ID 8S4A-12B684-BA,BB,BC,DA; Vehicle specific On-Car Programming must be performed AFTER installation to prevent drivability and starting issues; Vehicle specific Flash programming required ON the vehicle; Correct VIN and OE Number required when ordering; Engine Control Module

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

8S4A12A650ABB8S4A12A650ABC8S4A12A650ABD8S4A12A650ABE8S4A12A650ALA8S4A12A650ALB8S4A12A650AMA8S4A12A650AMB8S4A12A650ANA8S4A12A650ANB8S4A12A650APA8S4A12A650APB8S4A12A650ATA8S4A12A650ATB8S4A12A650ATC8S4A12A650ATD8S4A12A650AUA8S4A12A650AUB8S4A12A650AUC8S4A12A650AVA8S4A12A650AVB8S4A12A650AVC8S4A12A650AVD8S4A12A650AXA8S4A12A650AXB8S4A12A650AXC8S4A12A650XB8S4A12A650XC8S4A12A650XD8S4A12A650XE8S4A12A650YB8S4A12A650YC8S4A12A650YD8S4A12A650YE8S4A12A650ZB8S4A12A650ZC8S4A12A650ZD8S4A12A650ZE8S4Z12A650ABB8S4Z12A650ABC8S4Z12A650ABD8S4Z12A650ABE8S4Z12A650AEB8S4Z12A650AFB8S4Z12A650AGB8S4Z12A650AHB8S4Z12A650ALA8S4Z12A650ALB8S4Z12A650AMA8S4Z12A650AMB8S4Z12A650ANA8S4Z12A650ANB8S4Z12A650APA8S4Z12A650APB8S4Z12A650ATA8S4Z12A650ATB8S4Z12A650ATC8S4Z12A650ATD8S4Z12A650AUA8S4Z12A650AUB8S4Z12A650AUC8S4Z12A650AUD8S4Z12A650AVA8S4Z12A650AVB8S4Z12A650AVC8S4Z12A650AVD8S4Z12A650AXA8S4Z12A650AXB8S4Z12A650AXC8S4Z12A650AXD8S4Z12A650XB8S4Z12A650XC8S4Z12A650XD8S4Z12A650XE8S4Z

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.