ELM327 USB OBDII OBD2 EOBD CAN-BUS Code Scanner
Even if you don't repair your vehicle yourself, knowing the Diagnostic Trouble Code number before taking the vehicle in for repair is good knowledge to have.
Once the vehicle is repaired, the Diagnostic Trouble Code(s) can be erased and the Check Engine light turned off using this scan tool.
In areas that require a smog test, an illuminated Check Engine light fails the emission test, even if the repaired vehicle might otherwise pass inspection.
This OBD II Scan Tool turns off the Check Engine light. Another highly useful application for the scan tool is purchasing used vehicles. Used vehicles can have all sorts of expensive mechanical or electrical problems. Remember, not all Diagnostic Trouble Codes illuminate the Check Engine light and a scan tool is the only way to obtain the information.
This tool supports all OBD II protocols: SAE J1850 PWM SAE J1850 VPW ISO 9141-2 ISO 14230 (KWP2000)
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