ECU - Electronic Control Unit

In terminology of VW-group it's any electronic device, which has been carried out some logic function. Sometimes it looks like nonsens - even simple relay can be called ECU.

The coding of Electronic Control Unit used for explain the ECU where it is and what "neighbours" does it have. Very often on modern cars the coding is crossed with adaptation.

Adaptation of the Electronic Control Unit serves to explain to the ECU with whom and how to talk (If we have started to speak allegories) and serves as storehouse of various adjustable parameters. ( part of memory in the Control Unit which can be changed via internal software )

Measured Values Blocks ( MWB ) – various parameters being inbound or calculated. Considering to value of MWB Electronic Control Unit, trying to "control"... Using of MWB allows you ( if you know the basic parameters ) to find out "close to boundary" or temporarily arising ( intermittent, sporadic ) malfunctions and many other useful things at competent use.


J217_42_34_086_1_0308_21_codieren.htm
J217_42_37_086_1_1006_21_Ersetzen.htm
J217_42_37_086_3_1106_21_MWB_lesen.htm
J217_42_37_086_6_0107_21.htm
J217_42_37_086_7_0107_21.htm
J587_42_37_086_3_0107_21.htm

Coding table, automatic gearbox control unit -J217 in

Audi R8

 

YZGeneral note

It is not possible to code the control unit for the following software versions:

420910156  and 420910156E.

 

Coding value 00001         

Default coding applicable to vehicles with automatic gearbox 086. Automatic mode is quit permanently by pressing a steering wheel paddle or by tapping towards A, Tip+ or Tip- on the selector lever.

 

Coding value 00003

Automatic mode is quit briefly by pressing a steering wheel paddle or by tapping towards A, Tip+ or Tip- on the selector lever. This is the same functionality as for other Audi automatic gearboxes.

 

YZNote The factory-set code is: 00001

 

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