Code Control Module (Function 07)

If vehicle coding information is not as specified, or if the ECM has been replaced, the ECM must be coded as follows.

Required special tools and test equipment
- VAG 1551 Scan Tool (ST) with VAG 1551/3 adapter cable

Coding procedure
- Connect VAG 1551/VAG 1552 Scan Tool (ST) and press buttons -0- and -1- to insert "Engine Electronics" address word 01 (ignition switched on).

Indicated on display


Rapid data transfer HELP
Select function XX


- Press buttons -0- and -7- to select "Code Control Module" function 07, and press -Q- button to confirm input.

Indicated on display


Code Control Module HELP
Input code number XXXXX <0-32000>


- Input applicable code number for vehicle, and press -Q- button to confirm input. See ECM coding variations.

If indicated on display:


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


Incorrect code number has been entered.

Indicated on display (ECM identification and coding, e.g. 06051)


4D0907551A 2.8L V6/5V MOTR HS D01 ->
Coding 06051 WSC 00000


- Press -> button to advance through program sequence.

Indicated on display


Rapid data transfer HELP
Select function XX


- Press buttons -0- and -6- to select "End Output" function 06, and press -Q- button to confirm input.


NOTE:
The Motronic ECM -J220- only uses the code that has been entered after the ignition has been switched off once. Incorrect coding leads to:
- Performance problems (e.g. jerky shifting, abrupt load changes, etc.)
- Increased fuel consumption
- Elevated exhaust gas values
- Storage of non-existent malfunctions in DTC memory
- Reduction in transmission service life


ECM Coding Variations












NOTE: Vehicles with traction control (ASR) can be recognized by the ASR control light in the instrument cluster or by ABS/ASR On Board Diagnostic (OBD)


Engine Control Module (ECM), Replacing


NOTE:
- Switch the ignition off and wait at least 10 seconds before disconnecting the Engine Control Module (ECM) harness connector
- Disconnecting the battery or the Engine Control Module (ECM) harness connector will erase all learned values and the readiness code. After reconnecting the battery and/or the ECM, the engine may idle unevenly and there may be some temporary loss of driveablity. If so, let the engine run at idle for a few minutes until the learning process has been completed. Basic Setting (Function 04)
- After installation of a new ECM, set ECM coding and carry out adaptation of the throttle valve control module -J338-.


If the ECM has been replaced, carry out the following steps in the sequence listed.
- Connect VAG 1551/VAG 1552 Scan Tool (ST) and press buttons -0- and -1- to insert "Engine Electronics" address word 01 (with ignition switched on)

Indicated on display (ECM identification and coding)


4D0907551A 2.8I V6/5V MOTR HS D01->
Coding 06051 WSC 00000


- Print out ECM coding and compare with code table.
- Press -> button

Indicated on display


Rapid data transfer HELP
Select function XX


- Switch ignition off.
- Replace faulty ECM
- Check ECM coding.
- Carry out adaptation of throttle valve control module -J388- to ECM.
- Generate readiness code.


NOTE: If the DTC memory has been erased or the ECM was disconnected from its power supply, a new readiness code must be generated.