VW / Passat B6 (3C) / 25 – immobiliser / Adaptation after replacement of engine control unit (older)

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Mark	Model	Control unit	Diagnostic operation

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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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Conditions:
- install component: engine control unit
- before this operation, take down the identification and coding of the initial control unit

connect with the control unit XX - engine

XX - Login
enter value: PIN of new engine control unit
for instance: XXXX enter as XXXXX
Start

XX - Adaptation channel XX
enter value: Vehicle PIN
for instance XXXX enter as XXXXX
Test
Save

immobiliser indicator light: off

check of error memory

Note:
- If this procedure is not done properly, the immobilizer blocks for XX minutes; it is necessary to switch-off the ignition and wait.
- The newly installed and adapted control unit has adopted the VIN, SKZ and PIN and shall continue to use initial PIN of the vehicle

Created on: XX.XX.XXXX XX:XX:XX (hnz) Copyright © XXXX-XXXX, AutoComSoft Ltd All rights reserved.

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