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Error Message displays

Error Message displayed on screen

Bosch · OBD1300 Scan Tool

What does Error Message displays mean?

An error message indicates a problem that needs attention. This can happen if the connection is not secure or if the vehicle's computer needs to be reset.

Common Causes

  • Adapter cable is not securely attached
  • Ignition key is not on
  • Vehicle computer requires resetting

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the adapter cable is securely attached.

  2. 2

    Verify the ignition key is in the 'on' position.

  3. 3

    Turn the ignition key to 'off', wait 10 seconds, then turn it back 'on'.

  4. 4

    Try the selected test again.

  5. 5

    If the problem persists, refer to the 'Error Messages' section.

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 60)Search more codes in this manual