VAG1551 Scan Tool

The On Board Diagnostic (OBD) program must be initiated at the start of troubleshooting. Electrical malfunctions which influence braking characteristics will be stored, and can only be checked with the VAG 1551 Scan Tool (ST) or with the tester VAS 5051.
The following procedures refer only to the VAG 1551 scan tool.
The malfunction information displayed is used in conjunction with a DTC table, which has information on the possible cause of malfunctions and specific corrective actions.