Audi Workshop Service and Repair Manuals > A2 > Running gear self-diagnosis for ESP, steering | Self diagnosis, V.A.G Inspection Service | Performing self-diagnosis

Starting basic setting > < Performing self-diagnosis

Running gear self-diagnosis for ESP, steering

Performing self-diagnosis

Encoding control unit

The control unit fitted in the vehicle is encoded. New control units supplied as replacement parts are not coded and are to be encoded following installation.

Encoding is only possible after entering workshop code (WSC) in V.A.G 1551.

‒ Check control unit identification number.

e.g. (8Z0907379A)

Control unit assignment

=> Parts List

Test sequence

‒ Establish code on the basis of the following encoding table.
‒ Connect up fault reader V.A.G 1551 and - with ignition switched on - select brake electronics control unit (address word 03).

→ Indicated on display:

Rapid data transfer HELP

Select function XX

‒ Enter 07 for "Encoding control unit" function and confirm with Q key.

→ Indicated on display:

Rapid data transfer Q

07 - Encoding control unit

‒ Confirm entry with Q key.

→ Indicated on display:

Encoding control unit

Enter code number XXXXX (0-32767)

‒ Enter appropriate vehicle code number and confirm with Q key => V.A.G 1551 fault reader operating instructions.

→ Fault reader V.A.G 1551 displays control unit identification, e.g.:
8Z0907379A

8Z0907379A ESP 20 CAN V003 ⇒

Code 10758 WSC XXXXX

Encoding table


Code number	Engine version	Steering
10758	1.4 l/55 kW MPI	electrohydraulic
10758	1.4 l/55 kW TDI	electrohydraulic
10764	1.2 l/45 kW TDI	mechanical
10765	1.2 l/45 kW TDI	electrohydraulic

‒ Press ⇒ key.

→ Indicated on display:

Rapid data transfer HELP

Select function XX

‒ Enter 06 for "End output" function and confirm with Q key.

Note:

If control unit is encoded with a code not appropriate to the vehicle model:

→ Indicated on display:

Fault

Code XXXXX not accepted ⇒

If 00000 is entered as control unit code, ABS warning lamp -K47 flashes and traction control system/ESP warning lamp -K86 is permanently lit.

Running gear self-diagnosis for ESP, steering
Self diagnosis, V.A.G Inspection Service
Performing self-diagnosis
Encoding control unit

Starting basic setting > < Performing self-diagnosis

Audi Workshop Service and Repair Manuals

A2

Running gear self-diagnosis for ESP, steering Self diagnosis, V.A.G Inspection Service Performing self-diagnosis Encoding control unit

Running gear self-diagnosis for ESP, steering Self diagnosis, V.A.G Inspection Service Performing self-diagnosis Encoding control unit

Running gear self-diagnosis for ESP, steering
Self diagnosis, V.A.G Inspection Service
Performing self-diagnosis
Encoding control unit

Running gear self-diagnosis for ESP, steering
Self diagnosis, V.A.G Inspection Service
Performing self-diagnosis
Encoding control unit