General Information

On Board Diagnostic (OBD), Technical Data

Equipment
- Data is transmitted between the control module and the VAS5051 tester or VAG1551 Scan Tool (ST) via operating mode "Rapid Data Transfer".
- DTC memory is designed for permanent memory and is therefore not dependent on voltage supply.
- Display of stored DTCs occurs after initiation of display mode.
- DTC memory must be erased after malfunction is repaired.

Important:
- Readiness code must be re-generated after every time DTC memory is erased.
- If the ECM recognizes malfunctions that lead to a degradation of emissions values, it indicates them by lighting the Malfunction Indicator Lamp (exhaust warning lamp -K83-). Clarification of this lamp.
- "E-Gas"-relevant malfunctions are also indicated in the instrument cluster by the warning lamp for Electronic Power Control ("EPC warning lamp").