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What's New in Version 2.0: - Enhanced offline search for 3,000+ DTCs. - Optimized for Android 15 & 16. - 50% smaller app size. - Bug fixes & efficiency updates.
Look up OBD2 and DTC fault codes, symptoms, causes, fixes and repair guides.
OBD2 Trouble Codes & Fixes is a simple reference app for understanding OBD2 and Diagnostic Trouble Codes (DTC). Look up a fault code, understand what it means, learn the common symptoms and causes, and explore possible fixes and repair guidance. Whether your check engine light is on or you received a fault code from an OBD2 scanner, this app helps you understand the code in clear and simple language. OBD2 CODE LOOKUP Search for OBD2 trouble codes and quickly find the information you need. Enter a code such as P0300, P0420 or another supported DTC to view its meaning and related information. Browse common OBD2 code families including: • Powertrain P Codes • Body B Codes • Chassis C Codes • Network U Codes UNDERSTAND FAULT CODES Explore useful information about a trouble code, including: • Code meaning • Common symptoms • Possible causes • Suggested checks • Possible fixes • Related trouble codes • Severity information where available CHECK ENGINE LIGHT HELP Not sure what a check engine light or fault code means? Use the code lookup to identify the DTC and learn more about the possible problem. The app makes automotive diagnostic information easier to understand for car owners, DIY users and automotive enthusiasts. FIXES & REPAIR GUIDES Explore step-by-step repair and maintenance guides for common vehicle problems. Guides can include required tools, photos, diagrams and practical instructions to help you understand the repair process. EASY CODE SEARCH Search directly by an OBD2 code or browse available code categories. Recent searches can also help you quickly return to codes you have already checked. USEFUL AUTOMOTIVE REFERENCE OBD2 Trouble Codes & Fixes can be useful when: • Your check engine light comes on • An OBD2 scanner shows an unfamiliar code • You want to understand a DTC before visiting a repair shop • You are troubleshooting a common vehicle problem • You want to learn more about automotive fault codes • You are working on basic DIY vehicle maintenance The app is a reference and educational tool. It does not replace professional vehicle diagnostics, manufacturer service information or advice from a qualified automotive technician. Actual vehicle problems can have multiple causes, and a fault code alone does not always identify the exact failed component.