VW / Golf IV (1J-9M) / 69 - Trailer functions (Einparkhilfe 0101) CAN / installation of component - towing gear

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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:
- install component: towing gear

connect with the control unit XX - Gateway

List of installed units

select item: XX - Trailer functions

Start

switch ignition off for XXs

connect with the control unit XX - Parking Assist

XX - Coding

Coding Assist

byte X (the first byte in the sequence is counted as the zero byte)
enter value (BIN):
xxxxxxXX = towing gear - NO
xxxxxxXX = towing gear - YES
xxxxxxXX = towing gear - electrically controlled - YES

Press the down arrow on the keyboard and close the coding calculator

Start

switch ignition off for XXs

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