Best Diagnostics Code Apps

MECH AI: OBD2 Car Diagnostics

Check Engine Light & Repairs

Free

This AI-powered assistant helps with vehicle diagnostics, repair, and parts lookup. It provides detailed repair guides, intelligent diagnostic support, and a comprehensive parts database to save time and reduce costs.

OBD2 Code

by Liang-Hung Publishing

Free

This app serves as a reference for standard Diagnostic Trouble Codes (DTCs). It helps users understand fault codes generated by a vehicle's onboard computer, aiding in problem diagnosis.

BimmerFix

BMW Diagnostics & Coding

Free

This app provides professional diagnostic and coding capabilities for BMW vehicles. It allows users to read and clear fault codes, view live sensor data, and access AI-powered fault analysis. Advanced features include service resets, ECU identification, and repair guides for a comprehensive vehicle maintenance experience.

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.

OHIP Diagnostic Codes

by Ilan Lenga

Free

Access a searchable database of diagnostic codes needed for billing the Ontario Health Insurance Program. Quickly find codes by diagnosis or number, create custom aliases for easier recall, and manage favorite codes for efficient lookups.

OBD2 Scanner | OBD Auto Doctor

Car Diagnostics & Check Engine

Free

Diagnose your car's engine light issues and monitor real-time performance data. This app allows you to read and clear diagnostic trouble codes, track fuel consumption, and view sensor data. It's a comprehensive tool for understanding your vehicle's health.

Car Scanner ELM OBD2 - Torque

Fixd & Check Engine Diagnostic

Free

Transform your iPhone into a powerful car diagnostic tool. Read and clear trouble codes, monitor live vehicle sensor data, and understand check engine light warnings. Works with most vehicles manufactured since 1996 using standard OBD2 adapters.

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.

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.

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.

OBD2 Enhance Trouble Code Lite

Find DTCs Definition and Cause

Free

This app provides definitions and potential causes for On-Board Diagnostics (OBD) trouble codes. It covers a wide range of generic and manufacturer-specific codes for numerous vehicle models, helping users understand and potentially fix error codes.

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.

RepairSolutions2

by Innova Electronic

Free

This app provides comprehensive vehicle care and repair information for car and truck owners, DIYers, and technicians. It offers diagnostic capabilities with compatible OBD2 scanners and a vast database of verified fixes from ASE Master Technicians. Users can also access free vehicle maintenance information and schedule repairs.

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.

ThinkDiag+

by THINKCAR INC

Free

This app provides professional-level vehicle diagnostics, offering features like reading/clearing fault codes, data flow analysis, and special maintenance functions. It supports a wide range of car brands and allows users to subscribe to specific diagnostic software. Connects via Bluetooth to your smartphone for intelligent vehicle analysis.