Dorman

Dorman 601-623 OBD-II Data Link Module

Brand Dorman 601-623
Connector Gender Macho hembra
Connector Gender Male female
Connector Quantity 2
Contenidos del paquete 1 módulo de enlace de datos obd-ii
Housing Color Black
Housing Color Negro
Housing Color Noir
Housing Material Plastic
Housing Material Plástico
Length 3.75 in
Length 3.75 in.
Package Contents 1 obd-ii data link module
Terminal Gender Macho
Terminal Gender Male
Terminal Type Aspa
Terminal Type Blade
Width 3.25 in
Width 3.25 in.
Wiring Harness Included No
Wiring Harness Included Non
Fits Ford · 8 vehicles

OE-style replacement. Matches the fit and function of the original module.

Data link module. Enables communication between the network bus and diagnostic tools.

Plastic housing. Compact black housing with blade terminals for a clean install.

Cross-references KC3Z14F642A for the same application. See all 1.

$146.25Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $146.25
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 601-623 OBD-II Data Link Module

Dorman 601-623 is an OBD-II data link module built to match the fit and function of the original unit on select Ford Super Duty trucks. It supports communication between the controller area network bus and scan tools or other devices that use the onboard diagnostic port.

Key Features

  • OE-style replacement for the factory OBD-II data link module
  • Supports communication between the CAN bus and diagnostic equipment
  • Black plastic housing for a factory-style appearance
  • Two connectors with male and female terminal interfaces
  • Direct-fit dimensions: 3.75 in. long and 3.25 in. wide
  • Wiring harness not included

Detailed Description

This Dorman 601-623 data link module is designed for 2017-2020 Ford F-250 Super Duty and 2017-2020 Ford F-350 Super Duty applications. It is a direct replacement for the original module and is built to restore the vehicle’s diagnostic communication path at the OBD-II port. The part number 601-623 is also referenced for interchange with KC3Z14F642A.

For Ford F-250 Super Duty and Ford F-350 Super Duty trucks, this module helps maintain the connection between onboard systems and scan tools used for diagnostics, service checks, and fault-code retrieval. The housing is plastic with a black finish, and the connector layout is designed for the specified vehicle application.

What It Helps Solve

  • No communication with a scan tool at the OBD-II port
  • Intermittent diagnostic link connection issues
  • Faulty factory data link module replacement needs
  • Loss of communication between the CAN bus and diagnostic devices
  • Service delays caused by an inoperative onboard diagnostic interface

Installation Notes and Tips

Verify connector style, terminal type, and mounting dimensions before installation. This module uses two connectors, male terminals, and blade-style terminals, and it does not include a wiring harness. Confirm the vehicle is a 2017-2020 Ford F-250 Super Duty or 2017-2020 Ford F-350 Super Duty before ordering.

Quality Assurance

Dorman designs this module as a direct OE-style replacement for the original data link unit, with fit and function matched to the specified Ford Super Duty applications. Part number 601-623 is built for diagnostic communication service on the listed vehicles.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2020FordF-250 Super DutyN/A
2020FordF-350 Super DutyN/A
2019FordF-250 Super DutyN/A
2019FordF-350 Super DutyN/A
2018FordF-250 Super DutyN/A
2018FordF-350 Super DutyN/A
2017FordF-250 Super DutyN/A
2017FordF-350 Super DutyN/A
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
KC3Z14F642A