Audi / A3/S3/Cabrio (8V) / 5F - Electro Info [EV_MUHig4CGen2HBAS 001115] / Clear DTC 1555 - Software version Managenent

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Mark	Model	Control unit	Diagnostic operation

Mark

Select a vehicle make or a common group such as Service Intervals, Engines, Transmissions, Immobilizers and Independent Heaters.

Model

Control unit Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Select the desired control unit as accurately as possible. The UDS identifier EV_xyz can be found in the VCDS after connecting to the control unit and then in the Extended Identification.

Diagnostic operation Select the desired diagnostic procedure.

Diagnostic procedure

This operation was considered useful 2x.

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Note:
•         done after replacement of component: software version

Note:
•         error stored to error memory =
•         XXXX - software version

         BXXXA XX [XXX] - -

connect with the control unit - XF - Elektro info

XX - Adaptation

select item in menu: IDEXXXXX - Confirmation of instalation change

new value = stored value XOR CXDX

the calculation is illustrated in the following example

X)
XX - Adaptation
select item in menu: IDEXXXXX - Confirmation of instalation change
for instance: stored value = DXXX

Picture documentation:

+ How to fix DTC 1555

X)
go to page https://xor.pw/

Picture documentation:

+ XOR-calculator

X)
I. Input - enter value: stored value IDEXXXXX (in this example DXXX)
II. Input - enter value: CXDX (constant)

Picture documentation:

+ XOR-calculator-fillin

X)
click on Calculate XOR

Picture documentation:

+ XOR-calculator-result

X)
XX - Adaptation
select item in menu: IDEXXXXX - Confirmation of instalation change
new value - enter value XCBX (in this example)

Picture documentation:

+ IDE02502-fill-new-value

X)
click on Start

Picture documentation:

+ IDE02502 click Start

X)
delete error memory

End of test

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