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Diagnostics and reference data on multiple car models, including wiring diagrams, DTCs, ECU pinout and waveform data, location diagrams, fuses and relays, typical malfunctions. Online database — available 24/7.
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Auto Fault Codes: Diagnostic Guide for Car Troubleshooting. Welcome to AutoFaultCodes.com, your authoritative source for OBD-II fault codes and automotive diagnostics. Uncover comprehensive insights about your vehicle and tackle issues effectively with our in-depth diagnostic data.
Check availability and order parts 24/7 from AutoZone and other preferred suppliers. Speed up customer check-ins at the vehicle with digital vehicle inspections on your mobile phone or tablet. Get faster approvals, higher ROs, and 1-click access to ALLDATA’s industry-leading repair information.
Libre Diagnostic is an open-source project aimed at building a system for car diagnostics. The goal is to use the ELM327 adapter as a bridge to sent across real-time binary data to a computer and develop a software that would check for error codes, and monitor various vehicle systems.
This is the remake of the program pyobd, a free and open-source program for car diagnostics. The program was originally made by Donour Sizemore a long time ago, but it wasn't operational for the last 15 years, so I upgraded it from Python 2 to Python 3 and all the new libraries to make it work again.
MotorData ELM modules provide real-time diagnostics functionality via OBD-II port using an ELM327-based adapter. The ELM section of MotorData is FREE and can be used OFFLINE (requires no Internet access).
DTCSearch is a free search engine, which has the most up-to-date database of OBD-II diagnostic trouble codes (DTCs), and allows you to look up generic and manufacturer-specific codes.