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Anonymous asked in Cars & TransportationMaintenance & Repairs · 10 months ago

Why some OBD tools don't pick up any error codes?

Each time my car got issues, i run to different shops to scan my vehicle. They all use different diagnostics tools but only 1 out of 4 will actually find an issue within the vehicle. Some shops use more than one diagnostics tool. I always ask not to delete error codes, so that if they cant pick up any issues, maybe the next shop will.

Why is that ?

Car is a Hyundai Tucson 2009, not a Tesla or Bugatti...

2 Answers

  • Geo
    Lv 6
    10 months ago
    Favorite Answer

    Not all Scan Tools are the same, OBD2 are the basic tools. Enhanced EOBD, and CAN capable scanners are more advanced and can do more.

    • STEVEN F
      Lv 7
      10 months agoReport

      They don't read additional codes. They MAY read live data that SOME OBDII readers don't/

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  • 10 months ago

    I don't know what is happening, but it IS NOT the scan tools used. Either your OBDII system is reporting a code, or it isn't.

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