With Manufacturer's Scan Tool

Readiness Code, Displaying

Special tools, test equipment and auxiliary items
- VAG 1551 Scan tool (or VAG 1552 mobile scan tool) with cable VAG 1551/3B

Work sequence
- Connect scan tools VAG 1551 or VAG 1552. Then switch ignition on and select Motronic Engine Control Module (ECM) -J220- with "Address word" 01. Connecting scan tool and selecting Motronic Engine Control Module (ECM) -J220-. [1][2][3]Connecting VAG 1551 Scan Tool

Indicated on display

Rapid data transfer HELP
Select function XX

- Press buttons -1- and -5- for the "Readiness code" function and confirm entry with -Q- button.

Must appear on display when all diagnostic functions have been successfully completed:

Indicated on display

Readiness code ->
00000000 - Test complete

- Press -> button.
- Press buttons -0- and -6- for function "End output" and confirm entry with -Q- button.
- Switch off ignition.

Indicated on display

Readiness code ->
01101101 - Test not complete

One of the diagnostic checks has not run through successfully:
- Press -> button.
- Generate readiness code.

Significance of 8-digit number block for readiness code