Dorman 609-231 Transmission Control Module

Transmission Control Module for Ford Focus

Dorman 609-231 is a remanufactured transmission control module for select 2012-2018 Ford Focus models. It addresses common TCM connection wear with soldered critical connections, 100% new seals, and OE-style fit and function for a direct replacement repair.

Key Features

• Remanufactured transmission control module for Ford Focus applications
• Soldered connections on critical circuits for improved durability
• Restores transmission shifting, shift indicator response, and selector operation
• 100% new seals help reduce future corrosion concerns
• Performance tested against the Ford factory design
• Two connectors, female connector design, rectangular connector shape
• Programming required after installation

Detailed Description

This Dorman OE FIX transmission control module, part number 609-231, is engineered for 2012-2018 Ford Focus vehicles that experience transmission control issues caused by worn compliant pin connections in the original module. By using soldered connections on critical components, the module is built for a more durable electrical repair while preserving the original factory features. The remanufactured unit is made in the USA and is designed to match OE fit and function for a straightforward replacement on Ford Focus automatic transmission systems.

Part number 609-231 is also cross-referenced to OE numbers AE8Z7Z369B and AE8Z7Z369C for the same application.

Common Issues This Module Can Address

• Erratic or unintentional shifting
• Failed gear changes or delayed transmission response
• Shift indicator problems
• Clicking sound from the gear selector when the brake is applied
• Transmission malfunctions related to loose internal module connections

Installation Notes and Tips

Fits 2012-2018 Ford Focus. Programming is required, and a brief adaptive learning procedure with a scan tool must be completed after installation to activate the TCM. Verify connector style, terminal count, and module dimensions before installation. This direct-replacement module uses two female connectors and does not include mounting hardware or a wiring harness.

Quality Assurance

Dorman remanufactures this module in the USA and tests it against the Ford factory design to confirm fit and function. The upgraded soldered connection design and new seals are intended to improve long-term electrical reliability in Ford Focus transmission control repairs. Part number 609-231 is built as an OE-style replacement for the original module.