Computers and Control Systems: Application and ID

On Board Diagnostic II, technical data

Equipped with

- Data transfer between the Engine Control Module (ECM) and the VAG 1551/1552 Scan Tool is performed via "Rapid data transfer" mode.
- Diagnostic Trouble Code memory (DTC) is non-volatile and therefore dependent upon an active voltage supply.

Engine Control Module, identification

The ECM version is displayed when the VAG 1551/1552 Scan Tool is connected and Address Word 01 "Engine electronics" is selected.