Automatic Test Sequence

Automatic test sequence checks all Control Modules for Diagnostic Trouble Codes (DTC).
- Switch on ignition.





Indicated on display
1) Displayed alternately
- Press button -1- for "Rapid data transfer" operating mode.
- Switch on printer with Print button (indicator light in button illuminates).





Indicated on display
- Press buttons -0- and -0-; -00- enters "Automatic test sequence".
- Confirm entry with -Q- button.





Scan tool VAG 1551 display will show Control Module identification, e. g.:
Thereafter all Control Module identifications with DTC memory entries are displayed:
Erasing DTC memory is only possible in function -02- "Checking DTC memory".