So Total Car Diagnostics decided to analyze them all.
And one can't afford this with a car that needs repairs for sake of drivers safety. So this non-standardized situation consistently produced unreliable data you just couldn't trust. Usually cutting support for many Ford, BMW, GM, etc. Meaning no ELM327 USB Cable scanner was the same.įor example, some had faster refresh rates (despite same baud of 57,600 bps) - but expense of lacking PWM J1850 OBDII protocol - meaning it excludes support for over 40% of world's OBD2 cars. They were produced by different non-standardized companies using different chip manufacturing process. You see, we started out using cheap EM元27 clones back in 2011 for our own shop diagnostic needs.
First a quick story how and why we invented the standardized ELM327 USB scanner - that's now used by large car companies and professional mechanics who need maximum connection reliability, trustworthy data and extensive car compatibility.
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