audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Coding table > < Basic setting
Motronic injection and ignition system (4-cyl. turbo)
Coding control unit
Coding control unit
  • ‒ Connect vehicle diagnostic, testing and information system VAS 5051 (or fault reader V.A.G 1551) and select engine electronics control unit by entering address word "01" ( .)
    When doing this the ignition must be switched on.
 
→ Indicated on display:
Rapid data transfer     HELP
Select function XX
  • ‒ Enter "07" for the function "Code control unit" and confirm entry with Q key.
 
→ Indicated on display:
Code control unit    Q
Enter code number XXXXX (0-32000)
  • ‒ Enter control unit coding as specified in coding table => Page 01-50.

Meaning of coding:

XX

Country / emissions

X

Drive layout / additional functions

X

Gearbox

X

Model

Example of coding

05701

Emissions standard D4, four-wheel drive with traction control (ASR) / ESP, 5-speed manual gearbox, Audi A4

  • ‒ Confirm input with Q key.
 
→ The display on fault reader V.A.G 1551 will show the control unit identification. For example:
4B0906018K    1.8l R4/5VT    G    0002    ⇒
Coding 05701    WSC 12345
  • ‒ Press ⇒key.
 
→ Indicated on display (function selection):
Rapid data transfer    HELP
Select function XX

Coding table > < Basic setting