Readiness Code Reading

Readiness Code (Function 15), Displaying

Special tools and equipment
VAG1551 Scan Tool (ST) or VAG1552 mobile scan tool with VAG1551/3 adapter cable

Test procedure
- Connect VAG1551 Scan Tool (ST) (VAG1552), then switch ignition on and select Motronic Engine Control Module (ECM) -J220- by pressing buttons -0- an -1- to insert "Engine Electronics" address word 01.


Indicated on display


Rapid data transfer HELP
Select function XX

- Press buttons -1- and -5- to select "Readiness code" function and press -Q- button to confirm input.

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- to select "End output" function 06 and press -Q- button to confirm input.
- Switch ignition off.


Indicated on display (example)


Readiness code ->
00101101 - Test not complete


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

Explanation of 8 digit readiness code