part #:31003 - CarScan® Diagnostic Tool

Please select a question from the choices below. You may also click on the buttons on the left to download the manual for this tool, download the most current version of software or shop for accessories.

    Commonly Asked Questions

  • Where can I get code definitions for the codes I retrieved if definitions are not available in the Owner’s Manual?
  • Does the 31003 display Freeze Frame data?
  • Do you offer manuals with additional code definitions?
  • With what model years is the CarScan compatible?
  • Will this CarScan display a vehicle’s VIN?
  • Does this CarScan support Extended CAN?
  • What is Freeze Frame data?
  • Why does my cable have 14 pins instead of 16 pins?
  • Will the Tool damage my vehicle’s electronic systems?
  • What is the purpose of the EMISSION STATUS LEDs?
  • Will this CarScan work on “full size" trucks or motor homes?
  • Will this CarScan work on diesel vehicles?
  • Can I use the Tool with the engine running?
  • Are there adapters available to allow this CarScan to access OBD1 systems?
  • Will this CarScan allow me to command tests on the vehicle’s computer?
  • Can I retrieve ABS, Body or Air Bag codes using the CarScan?
  • Do I need adapters for different vehicles?
  • Will this CarScan work on vehicles outside the US or Canada?
  • Will this CarScan erase codes and turn the Malfunction Indicator Lamp (MIL) off?
  • Is the Tool “ready to use” out of the package, or does it need to be updated first?
  • Can I retrieve manufacturer-specific Diagnostics Trouble Codes (DTCs) with this CarScan?
  • Questions By Symptom

  • I replaced the part the code mentioned but the same code recurs.
  • Why does the “Unable to establish link” message display?
  • The CarScan won’t link to vehicles manufactured by Subaru.
  • Why does the 31003 turn off when the LINK button is pressed?
  • The CarScan won’t link to vehicles manufactured by Volkswagen.