Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Readiness Code Reading




Special tools and testers
- VAG 1551/VAG 1552 Scan Tool using adapter cable VAG 1551/3

Work sequence
- Connect Scan Tool.
- With ignition switched on, press buttons -0- and -1- to select "Engine electronics" address word 01.

Display will appear as shown


Rapid data transfer HELP
Select Function XX



- Press buttons -1 - and -5- to select "Readiness code" function 15.
- Press -Q- button to confirm entry.

Display must appear as shown when all diagnostic functions have been completed


Readiness code
00000000 - Test complete



- Press -> button.
- Press buttons -0- and -6- to select "End output" function 06.
- Press -Q- button to confirm entry.

Display will appear as shown (example) if one or more of the diagnostic checks has not been completed.


Readiness code
11101011 - Test not complete



- Press -> button.

NOTE: If DTC memory was erased, Readiness code must be created again.

Relevance of 8 digit Readiness code number