OBD II, Control Module Functions

Control Module Features
- Data transfer between Control Module and VAG 1551/ VAG 1552 Scan Tools is processed in the "Rapid data trans mode
- DTC memory is equipped with a non-volatile memory

Control Module Identification
VAG 1551 Scan Tool, connecting and ECM selecting. See 'Testing and Inspection, Procedures, Address word 01.' Testing and Inspection

Control Module Functions
- The ECM is equipped with a variety of Functions.
- Some Functions require the ignition ONLY to be switched ON, other Functions require the engine to be running.
- The table below details which requirements apply to the individual Functions.

Functions: