Engine Control Module: Application and ID

On Board Diagnostic System, Technical Data

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

Control Module identification
VAG 1551 Scan Tool, connecting and ECM selecting [1][2][3][4]Reading and Clearing Diagnostic Trouble Codes

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 on the following page details which requirements apply to the individual functions.