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)

Or, hide this message: temporarily or permanently

7.8.1 - Country Coding




Three country versions are available:
- RoW (rest of world)
- Taiwan
- Korea

Version 4 is reserved for vehicle development and should not be coded by After Sales Service.


NOTE: Only the country coding prescribed for the respective land may be carried out! A change in the coding changes the shifting points of the transmission.


Checking the coding:
The tester displays the current country coding as follows:


Test T01:






NOTE: The workshop number from the diagnosis card is stored if a change is made.