Operation CHARM: Car repair manuals for everyone.

Engine Control Module: Testing and Inspection




Code Control Module (Function 07)

If control module does not indicate coding corresponding to vehicle, or if control module has been replaced, code it as follows.

- Connect VAS5051 tester or VAG1551 scan tool and select the control module for engine electronics using "address word" 01. [1][2]Scan Tool Connecting and Initial Checks

Ignition must remain switched on for this.

When indicated on display:


Rapid data transfer HELP
Select function XX



- Press buttons -0- and -7- to select "Code control module" and press -Q- button to confirm input.

When indicated on display:


Code Control Module Q
Enter code number XXXXX (0-32000)



- Input control module coding according to code table.

Clarification of coding







Coding example
07251 USA LEV 1)(emissions regulations), All Wheel Drive (AWD) without ESP 2), 5 speed Automatic transmission, Audi A4

1)LEV: Abbreviation for Low Emission Vehicle
2)ESP: ABBREVIATION FOR Electronic Stability Program

- Confirm input using the -Q- button.

VAG1551 Scan Tool (ST) display indicates control module identification, e.g.:


3B0907551BA 2.81 V6/5V G 0003 ->
Coding 07251 WSC 12345



NOTE:
When indicated on display:


Function is unknown or ->
cannot be carried out at the moment



An unauthorized code number was entered.
- Press -> button.

Indicated on display (function selection):


Rapid data transfer HELP
Select function XX


Coding table