Global Check, Reading Trouble Codes
CAUTION

Rolling of vehicle
Risk of injury or material damages
Proceed as follows before startup:
1. Apply the parking brake.
2. No gear is engaged.
3. Regard the window with information and instructions.
NOTICE

Danger of short circuit and voltage peaks when connecting the OBD plug
Danger of destruction of automotive electronics
Only connect the the OBD plug to the vehicle when the ignition is switched off. Then switch on the ignition again so that the VCI has power supply.
The global check scans all ECUs assigned to the vehicle software for stored trouble codes.
Proceed as follows to perform the global check:
- Plug in the OBD plug in the vehicle's diagnostic connector.
- Select the functions >Trouble codes< under
> Diagnostics > Trouble codes or directly using the drop-down menu on the left. - Go to Global check and click to >Start request<.
- Communication to vehicle is being established.
- The device requests all possible ECU versions. This may take a few minutes.
- The device indicates all ECUs installed in the vehicle.
- The number of trouble codes in the prevailing ECU memory is indicated.
- Activate/deactivate the requested ECUs.
- Call up the requested trouble code under Faults in the respective ECU memory.
- The device indicates all trouble codes and repair tips.