The ScanGaugeII can check for Diagnostic Trouble Codes (DTCs) and if found, can display how many there are and the Trouble Codes themselves. Using the internet or repair manuals, these can be translated to the failed component and repairs can be made.
[ScanGaugeII - ScanTool] Clear Trouble Codes
Data captured when the Trouble Code was set can be recalled to help troubleshoot the problems (was the temperature hot or cold, speed high or low, etc.). The ScanGauge II can be used to clear the trouble codes and data which will turn off the warning lamp.
Is Your Vehicle Ready for Emissions Testing?
Some states now require that before running emissions checks, the vehicle self tests have to have been completed since the last time codes were cleared. The ScanGauge reports this “Readiness”.
Read & Clear Pending Trouble Codes
If no codes where found and your Check Engine light is still on, your vehicle may be storing pending codes. The ScanGauge provides a method to force clear any detected or undetected Trouble Codes.