HomeElectrical, Lighting and Body > Control ModulesDorman 601-621 OBD-II Data Link Module
Part #: 601-621

Dorman 601-621 OBD-II Data Link Module

⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, F-150
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🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman OBD-II Data Link Module 601-621

The Dorman 601-621 OBD-II Data Link Module is designed specifically for Ford F-150 models, providing a reliable connection point for vehicle diagnostics. This module features a female connector and a durable black plastic housing, ensuring compatibility and longevity in your vehicle's electrical system.

  • Compatible with Ford F-150 models
  • Female connector with one connector quantity
  • Black plastic housing measuring 3.9 inches in length and 3.25 inches in width
  • Includes one OBD-II data link module per package
  • Male blade terminal type for secure connections
  • Wiring harness not included

Detailed Product Description

The Dorman 601-621 OBD-II Data Link Module is engineered to serve as a critical interface for vehicle diagnostics on Ford F-150 trucks. Its female connector design allows for easy connection with diagnostic tools, while the male blade terminals ensure a secure and stable electrical connection. The module’s black plastic housing provides protection against environmental factors and mechanical wear. Measuring 3.9 inches in length and 3.25 inches in width, it fits seamlessly within the vehicle’s electrical system without requiring additional modifications.

Common Applications and Issues Addressed

  • Restores OBD-II diagnostic port functionality on Ford F-150
  • Resolves intermittent or failed communication with diagnostic scanners
  • Replaces damaged or worn data link modules affecting vehicle diagnostics
  • Supports troubleshooting of engine and emission control systems
  • Ensures compliance with OBD-II standards for emissions testing

Installation Notes and Tips

Installation of the Dorman 601-621 OBD-II Data Link Module requires basic knowledge of vehicle electrical systems. Ensure the vehicle ignition is off before beginning installation. The module connects directly to the existing wiring harness; note that a wiring harness is not included. Verify the connector orientation—female connector on the module mates with the male diagnostic tool plug. Secure the module in place to prevent movement or disconnection during vehicle operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable performance for your Ford F-150. The 601-621 OBD-II Data Link Module undergoes quality control testing to ensure durability and proper fitment. Please refer to Dorman’s warranty policy for specific coverage details.

BrandDorman
Part Number601-621
Connector GenderFemale
Connector GenderHembra
Connector Quantity1
Connector Quantity1 ensamble de manguera del calentador
Contenidos del paquete1 módulo de enlace de datos obd ii
Housing ColorBlack
Housing ColorNegro
Housing ColorNoir
Housing MaterialPlastic
Housing MaterialPlástico
Length3.9 in
Length3.9 in.
Package Contents1 obd ii data link module
Terminal GenderMacho
Terminal GenderMale
Terminal TypeAspa
Terminal TypeBlade
Width3.25 in
Width3.25 in.
Wiring Harness IncludedNo
Wiring Harness IncludedNon

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2019FordF-150N/ATo 11/05/18
2018FordF-150N/A
2017FordF-150N/A
2016FordF-150N/AFrom 11/09/15
2015FordF-150N/AFrom 10/12/15

* 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:

GL3Z14F642A

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