Vehicle Survey System for Diagnostic Code Context
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Solution Overview
Problem
Diagnostic trouble codes (DTCs) can be difficult for engineers to interpret as they may represent multiple failure modes or occur without a customer-noticeable failure, and the context of issues like failed automated tailgate closure is unclear without additional information.
Innovation Solution
A system that uses a vehicle data server to send surveys to vehicle occupants for feedback on specific diagnostic codes, either in real-time or for historical codes, to gather context and annotate the diagnostic data, allowing engineers to understand the cause of the codes better.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If diagnostic trouble codes are used to indicate system faults, then diagnostic information is provided, but the context and cause of failures remain unclear
Solution Approach 1:
The system implements feedback by sending survey questions to vehicle occupants about their recent actions and observations, then using this feedback to annotate and enrich diagnostic trouble code data with contextual information about customer interactions and environmental conditions
Solution Approach 2:
The survey system acts as an intermediary between the diagnostic code data and the engineer's interpretation, collecting and processing customer feedback that bridges the gap between technical diagnostic information and real-world usage context
2Loss of information
If survey questions are sent to vehicle occupants, then contextual information is gathered, but time and resources are required for survey distribution and response collection
Solution Approach 1:
The system performs preliminary action by sending survey questions to vehicle occupants immediately when a diagnostic trouble code is detected, capturing fresh contextual information about customer interactions and environmental conditions before they are forgotten
Solution Approach 2:
The system enables self-service by allowing vehicle occupants to voluntarily provide contextual information through survey responses, leveraging their own knowledge and observations without requiring additional intervention from engineers or technicians
Data Source
AI summary
A system includes a memory storing diagnostic data and survey requirements indicating a survey question and vehicles to receive the survey question. A processor is programmed to identify vehicles that match the survey requirements, send a survey question for the identified vehicles to be answered by vehicle occupants, receive answer to the question from the vehicles, and annotate the diagnostic data with to the answer.