Code control module (function 07) (engine codes AUX, AKB): Notes

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 Audi S8, 2003 Audi A8, 2002 Audi S8, 2002 Audi A8, and 2001 Audi A8. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

If the correct coding for the vehicle is not displayed, or if the control module has been replaced, the control module must be coded.
Coding is checked via VAS 5051 or VAG1551 scan tool.
During control module identification a 5-digit code must always be displayed.
Incorrect coding may lead to higher emissions and increased strain on the automatic transmission resulting from harsh gearshift jolts.

Connect vehicle diagnostic, testing and information system VAS 5051 or VAG1551 scan tool and select engine electronics control module by entering address word "01". See VEHICLE DIAGNOSTIC, TESTING AND INFORMATION SYSTEM VAS5051 OR VAG1551, CONNECTING AND SELECTING FUNCTIONS . When doing this the ignition must be switched ON.
Indicated on display

Fig 1: VAG1551 Scan Tool Display - Code Control Module, Engine Codes AUX, AKB (1 Of 4)
Courtesy of AUDI OF AMERICA, INC.
Press buttons -0- and -7- to select function "Code Control Module" and confirm entry with -Q- button.
Indicated on display

Fig 2: VAG1551 Scan Tool Display - Code Control Module, Engine Codes AUX, AKB (2 Of 4)
Courtesy of AUDI OF AMERICA, INC.
Input appropriate code number for this vehicle and confirm with -Q- button.

Determine the code number according to the following example:

ECM CODE NUMBER EXAMPLE: ENGINE CODES AUX, AKB

USA; LEV (emission standard)	07
All-wheel drive with ESP		7
Automatic transmission			5
Audi A8				3
Code number	07	7	5	3

The display of VAG1551 will show the control module coding (example).

Fig 3: VAG1551 Scan Tool Display - Code Control Module, Engine Codes AUX, AKB (3 Of 4)

Courtesy of AUDI OF AMERICA, INC.

Press --> button.
Indicated on display

Fig 4: VAG1551 Scan Tool Display - Code Control Module, Engine Codes AUX, AKB (4 Of 4)
Courtesy of AUDI OF AMERICA, INC.
Press buttons -0- and -6- to select function "End Output" and confirm entry with -Q- button.
Switch ignition off and then on again.
NOTE: The next time the ignition is switched ON the newly entered coding will be activated.