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No codes found

No codes found message displayed

Bosch · OBD1300 Scan Tool

What does No codes found mean?

This message appears when the scan tool has completed its search for diagnostic trouble codes (DTCs) and found none in the vehicle's computer.

Common Causes

  • The vehicle has no current trouble codes stored.
  • The scan tool may not be properly communicating with the vehicle's modules.
  • The vehicle's system may not support reporting codes in this manner.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the scan tool is properly connected to the vehicle.

  2. 2

    Verify the vehicle's ignition is in the correct position (e.g., KOEO).

  3. 3

    Check if the vehicle has any other diagnostic indicators illuminated.

  4. 4

    Try running the 'Read Codes' function again.

Browse all codes in this manual (20)
Verified technical data. Last updated: April 2026

Related Faults

Code 11 or 111Code 11 or 111 — No faults detected during KOER testCode 12Code 12 display — No RPM reference pulse detectedCodes remaining:0Codes remaining: 0 confirmation
Source: Bosch OBD1300 Scan Tool
Open Manual (Page 29)Search more codes in this manual