Audi / A3 (GY) / 19 - Gateway EV_GatewMQB [EV_GatewMQB2020 004008] / 48V system: post-crash disconnection – unlocking in the Gateway control unit

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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

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Conditions:
•         This procedure may require the hood to be opened or the SFD protection to be unlocked
•         This procedure may require temporary deactivation of the Gateway diagnostic filter

Conditions:
•         Visual inspection for cracks in the connector plastic(s).
•         Visual inspection of the HV cable insulation at the connector(s) (hybrid or EV only). Insulation must be intact and undamaged.
•         Visual inspection of the LV cable insulation at the connector(s). Insulation must be intact and undamaged.
•         Visual inspection for damage to the inverter. The aluminum housing must not be damaged.
•         Visual inspection of the LV cable insulation to the onboard electrical system. Insulation must be intact and undamaged.
•         Visual inspection that components and wiring of comfort consumers are undamaged.

This is the procedure for unlocking the following control unit after impact: XX - Gateway

This procedure may also need to be performed in the control units:

•         XX - engine
•         XX - Battery control

Go to the respective control units in VIS for the specific procedures

Only persons with the appropriate qualifications may work on repairs to vehicles with a high-voltage system! The author of this procedure explicitly prohibits use of this information and performance of this procedure if you do not have the appropriate qualifications!!!

Put the vehicle into drive-ready (ready-to-drive) mode

connect with the control unit XX - Gateway

Unlock SFD

XX - Basic settings UDS
select item in menu:
IDEXXXXX-MASXXXXX - system XXV: reset crash disconnection (crash cut-off)
Start
desired condition: Successfully completed

delete error memory

End of test

Created on: X.X.XXXX XX:XX:XX (hnz) Copyright © XXXX-XXXX, AutoComSoft s.r.o. All rights reserved

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