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No DTC Definition Found

No DTC Definition Found — Code not recognized

Bosch · OBD1200 CodeConnect

What does No DTC Definition Found mean?

The scan tool could not find a definition for the Diagnostic Trouble Code (DTC) you entered. This might happen with very new or manufacturer-specific codes.

Common Causes

  • The entered code is not a standard OBD-II code.
  • The code is specific to a particular vehicle manufacturer not fully supported.
  • A typo was made when entering the code.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Double-check the DTC for any typos and re-enter it.

  2. 2

    Ensure the correct vehicle has been selected for code lookup.

  3. 3

    If the code is for a specific manufacturer, try looking it up on the manufacturer's service information website.

  4. 4

    Refer to the vehicle's service manual for the code definition.

Browse all codes in this manual (15)
Verified technical data. Last updated: April 2026

Related Faults

Check connection! Try again?Check connection! Try again? - Communication errorCommand canceledCommand canceled - Erase codes function was stoppedERR_CODE_42Error code 42 — Possible communication issue
Source: Bosch OBD1200 CodeConnect
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