OBD Dongle for Standalone Vehicle Key Pairing
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Solution Overview
Problem
Existing key pairing devices for vehicles are complex, costly, and often require external devices or dealership involvement, leading to inefficiencies and potential damage to vehicle systems.
Innovation Solution
A standalone OBD port dongle that automatically determines communication protocols and executes key pairing processes, verifying user authorization and limiting usage to prevent misuse, without requiring external devices or dealership intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a standalone OBD port dongle is used for key pairing, then device complexity and cost are reduced, but reliability and security may be compromised
Solution Approach 1:
The dongle is designed to work with multiple vehicle makes, models, and years through a single device, eliminating the need for vehicle-specific pairing tools. The system automatically detects vehicle communication protocols and adapts accordingly, providing universal key pairing capability while maintaining reliability through robust error handling and verification mechanisms.
Solution Approach 2:
The dongle performs automatic vehicle detection, protocol identification, and key pairing execution without requiring external device control or dealership intervention. The system autonomously manages the pairing process, including error recovery and security verification, thereby reducing complexity while maintaining reliability through self-contained functionality.
2Ease of operation
If automatic protocol determination is implemented, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The dongle pre-loads multiple vehicle communication protocols and detection algorithms into its memory before operation. Upon connection to the vehicle, it automatically executes pre-programmed detection sequences to identify the correct protocol, eliminating the need for user manual selection and simplifying operation while the complexity is contained within the device's pre-configured system.
3Reliability
If usage limiting and authorization verification are implemented, then security is improved, but ease of operation is reduced
Solution Approach 1:
The system continuously monitors pairing attempts, usage patterns, and authorization credentials, providing real-time feedback through the user interface. When unauthorized attempts or limit violations occur, the system immediately communicates the security status and prevents further action, maintaining security while keeping the user informed of the process state.
4Productivity
If dealership intervention is eliminated, then productivity is improved, but reliability may be compromised
Solution Approach 1:
The dongle serves as an intermediary device that bridges the gap between the user and the vehicle's key pairing system. It implements standardized communication protocols and security verification mechanisms that replicate dealership-level functionality, enabling reliable key pairing directly at the vehicle without requiring external dealership equipment or expertise.
Data Source
AI summary
The present invention provides a system, method, and apparatus for pairing a vehicle key or remote keyless entry device with a vehicle by a dongle connected to an OBD port of the vehicle. The OBD programming dongle operates without a connection to an external device and pairs one or more keys with a vehicle without user intervention after the pairing process has started. The OBD programming dongle may be linked to a specific vehicle by the VIN code of the specific vehicle.