Best Ohip Diagnostic Codes Apps

ELM327 WiFi Diagnostic

Car diagnostic

Free

This utility app connects to your vehicle's onboard diagnostics system via an ELM327 WiFi adapter. It allows you to check your car's version and supported protocols, and includes example commands for troubleshooting.

Biketune

Motorrad diagnostic scanner

Free

This app transforms a compatible OBD-II adapter into a powerful diagnostic and coding tool for motorcycles. It allows users to read fault codes, monitor live engine data, reset service reminders, and perform dealer-level coding and adaptations without visiting a workshop. A demo mode is available to explore features without an adapter.

MotorData OBD ELM car scanner

Car diagnostic. Dashboard.

Free

Transform your smartphone into a comprehensive car diagnostic tool. Read and clear trouble codes, monitor real-time vehicle performance, and customize your dashboard for a deeper understanding of your car's health. Includes free engine diagnostics with optional advanced features for specific brands.

inCarDoc OBD2 ELM327 Scanner

Car diagnostic, check engine

Free

This app acts as a car diagnostic tool, allowing users to scan fault codes, monitor real-time engine parameters, and log vehicle maintenance. It helps optimize car performance and control fuel consumption by accessing ECU data.

AutoDoctor: OBD2 Car Scanner

Fault codes, live data & AI

Free

Transform your smartphone into a powerful car diagnostic tool. Connect to your OBD2 scanner to read fault codes, clear warning lights, and monitor real-time engine data. Ideal for car enthusiasts and those looking to save on repair costs.

BlueDriver OBD2 Scan Tool

Fear No Fix™

Free

This app turns your smartphone into a powerful OBD2 scan tool. It allows you to read and clear trouble codes, view live data, and generate detailed repair reports for your vehicle. Understand your car's issues and make informed repair decisions.

ICD-10-CM 2026: Medical Codes

Offline Coding & iCloud Sync

Free

Access the complete 2026 ICD-10-CM medical coding database offline. Organize codes with favorites and folders, and utilize advanced search and highlighting features for efficient billing and clinical workflows. Sync data across devices with iCloud.

Autmet | OBD2 Scanner

OBD2 scanner & car diagnostic

Free

This diagnostic tool connects to your vehicle's OBD data via a Bluetooth device. It allows you to read various ECU data and supports common OBD-II protocols.

OBD2 Car Scanner - EOBD Facile

Torque & ELM327 OBD Diagnostic

Free

Transform your smartphone into a professional car diagnostic tool. Read and clear engine fault codes, monitor real-time sensor data, and perform advanced diagnostics without a mechanic. Supports a wide range of OBD2 compliant vehicles.

ICC Digital Codes Premium

by The Code Council

Free

This app provides a digital platform for accessing and managing building codes and standards. It offers advanced search, note-taking, and collaboration features to streamline research and compliance for code users. Unlock hundreds of titles for offline access and stay updated with the latest interpretations and changes.

OBD2 Car Scanner: AI Fix

AI Car Diagnostic, Code Reader

Free

Transform your smartphone into a professional car diagnostic tool. This app reads and clears trouble codes, monitors live engine data, and uses AI to explain issues and provide repair guidance. It works with most vehicles and OBD2 adapters.

OBDII Scanner ELM327 OBD2

OBD2 Scanner and Trouble codes

Free

This app allows you to scan your car's trouble codes and view live data using an OBD2 Bluetooth adapter. It logs statistics and freeze frames for future reference, storing all diagnostic trouble codes (DTCs) on a server.

OTR Diagnostics

Heavy-duty scan tool made easy

Free

This app helps heavy-duty truck owners diagnose and resolve common issues like fault codes, regen problems, and derates. It provides plain-language explanations of error codes, allows for bi-directional commands to fix issues, and monitors live truck data to prevent downtime.