Dorman 601-620 OBD-II Data Link Module

OBD-II Data Link Module for Ford and Lincoln

Dorman 601-620 is a direct-replacement OBD-II data link module for select Ford and Lincoln vehicles. It restores communication between the CAN bus and scan tools or other devices that use the onboard diagnostic port, helping return vehicle systems to factory-level operation.

When the original gateway module fails from electrical damage or data corruption, multiple modules can stop responding and drivability or convenience functions can be affected. This replacement is built for the Ford GT, Explorer, Edge, Expedition, Fusion, F-150, Mustang, and Lincoln Navigator, Continental, MKZ, and MKX applications listed below.

Key Features

• Direct replacement for the factory OBD-II data link module
• Restores communication between the CAN bus and diagnostic-port devices
• Black plastic housing with a female connector and male terminals
• Under-dash mounting location below the steering column
• Matches fit, function, and performance for specified Ford and Lincoln applications
• Part number 601-620 for easy identification and ordering

Detailed Description

This Dorman gateway module is engineered for vehicles where the original data link module no longer passes information correctly between onboard systems and the diagnostic connector. In affected Ford and Lincoln models, that communication loss can trigger warning lights, disable convenience features, or place the vehicle in limp mode. Part number 601-620 restores the module’s role in the network so scan tools and vehicle controllers can communicate normally again. This part cross-references Ford OE numbers FR3Z14F642A and HB5Z14F642A for the same application.

What It Helps Solve

• No communication with the OBD-II port during diagnostics
• Intermittent or complete loss of CAN bus communication
• Modules that stop responding after electrical malfunction or data corruption
• Disabled convenience features tied to network communication faults
• Engine limp mode caused by gateway module failure

Installation Notes and Tips

Install the module in the under-dash location below the steering column, following the vehicle service procedure for the specific Ford or Lincoln application. Verify connector condition before installation, and confirm the diagnostic port and network wiring are intact so the replacement module can communicate properly. After installation, clear fault codes and confirm scan-tool communication.

Quality Assurance

Dorman designs this module as a direct OE-style replacement for the listed Ford and Lincoln vehicles, with fitment and function matched to the original part. Part number 601-620 is built to restore factory communication behavior in the vehicle network.

Compatible With

• Fits 2017-2021 Ford GT, N/A
• Fits 2018-2021 Lincoln Navigator, N/A
• Fits 2017-2020 Lincoln Continental, N/A
• Fits 2017-2020 Lincoln MKZ, N/A
• Fits 2016-2019 Ford Explorer, N/A
• Fits 2015-2018 Ford Edge, N/A
• Fits 2018 Ford Expedition, N/A, to 12/03/17
• Fits 2018 Ford Fusion, N/A, to 8/14/17
• Fits 2016-2018 Lincoln MKX, N/A
• Fits 2017 Ford Fusion, N/A
• Fits 2016 Ford F-150, N/A, to 11/09/15
• Fits 2015 Ford F-150, N/A, to 10/12/15
• Fits 2015 Ford Mustang, N/A