Truck owner needs to diagnose a P0191 fuel rail pressure code without throwing parts at it, lacking a systematic diagnostic approach.

No software solution exists that provides a guided, step-by-step diagnostic workflow for specific trouble codes on heavy-duty trucks, forcing owners to rely on forum advice and guesswork.

Severity

3Medium

Willingness to Pay

implied

Added

May 22, 2026

App Concept

CodeClear Diesel

A mobile app that walks diesel truck owners through diagnostic tree logic for common fault codes. Unlike generic OBD scanners that only show codes, CodeClear provides a prioritized step-by-step checklist with videos and links to shop tools, reducing misdiagnosis and parts waste.

Key Features

Input a trouble code (e.g., P0191) and get a manufacturer-specific diagnostic tree
Step-by-step guided checks with torque specs and test procedures
Log of performed tests with timestamps for tracking
Estimated probability for each root cause based on user input and crowd data

Target Users: DIY diesel truck owners and small fleet operators in trucking & logistics who want to avoid unnecessary repairs.

Revenue Model: $9.99/month subscription or $49.99 annual fee

Want to go deeper?

Sign up to save ideas, run AI analysis, and track opportunities in your personal workspace. Founding members get full access.

Join Beta

Solutions (0)

Discussion (0)

No comments yet