Engine Control Module: Application and ID
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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.