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

Engine Control Module, Coding




Engine Control Module (ECM), coding

NOTE:
- A 5-character code must always be displayed during the Control Module identification.
- The Control Module must be re-coded if the Control Module has been replaced or the appropriate vehicle coding is not displayed.

Special tools, testers measuring instruments and auxiliary items required

- Scan Tool VAG 1551 with cable VAG 1551/3B

Work sequence

- Connect VAG 1551/1552 Scan Tool
- Switch ON ignition
- Press 0 and 1 buttons to select "Address word" 01 Engine electronics"

Display will appear as shown

Rapid data transfer HELP
Select function XX


- Press 0 and 7 buttons to select "Coding Control Module"
- Press Q button to enter input

Display will appear as shown

Coding Control Module Q
Enter code number XXXX (0-32000)


- Enter appropriate code number for this vehicle
- Press Q button to enter input Coding variations. Engine Control Module, Coding Variants


Display will appear as shown if an illegal code is entered.

Function is not recognized or cannot ->
be performed at the moment.


Control Module identification and coding will appear on display as shown in example

8D0 907 557N 1.8LR4/5VT MOTR AT 003 ->
Coding 06051 WSC XXXXX


- Press -> button.
- Press 0 and 6 buttons to select Function 06: "End data transfer"
- Press Q button to enter input