Operation CHARM: Car repair manuals for everyone.

Scan Tool Testing and Procedures



OBD Program Functions, Performing Using VAS 5051

OBD program text/data generated by "Premium VI" radios may not be recognized by VAG1551/1552 Scan Tools (ST) with the latest program card. For example: scan tool display shows "text 799", "01529 /references" or similar.

In these cases, OBD program functions on vehicles with "Premium VI" radio systems must be performed using the VAS 5051/VAS 5052 Vehicle Diagnostic Testing and Information System in mode "Self Diagnosis" or "Guided Fault Finding".

Special tools, testers and auxiliary items needed







- VAS 5051 Vehicle Diagnostic Testing and Information System
- Cable adapter VAS 5051/1 or VAS 5051/3

- Connect VAS 5051 with adapter cable to Data Link Connector (DLC) and select mode "Guided Fault Finding"
- Enter appropriate model, equipment and model year information and press ">" to confirm.

After all Control Modules have been registered and DTC memories checked,
- Select "Go to"
- Select "Function / Component Selection"
- Select "Body"
- Select "Electrical System
- Select "01-Systems capable of self-diagnosis"
- Select "Radio system"
- Select "Radio system functions" and press ">" to confirm
- Review displayed list of OBD program functions and select as necessary, e.g.: "Radio, coding"
- Perform selected OBD program steps as prompted by tester