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2. The factory-fitted Gateway must be coded for function extension 'towing hitch' using the V.A.G.
service tester as follows.
•
19 Diagnosis interface for data bus
o Read/write long coding
3. For vehicles up to and including model year 2007 fitted with Park Distance Control, adjust the
PDC offset value:
•
Address 76 (Park Distance Control)
o Adjustment
4. For vehicles from model year 2008 fitted with Park Distance Control or Park Assist, code the
control unit in the self-diagnosis using the VAS tester:
•
Address 10 (Park Distance Control or Park Assist)
o Code the control unit
5. "When using a trailer, the vehicle's central fuse, relay and terminal box must coded as follows to
deactivate the rear fog lamp:
•
Select vehicle system: 09 Central electronic fuse, relay and terminal box
Identification: Continue
o
6. For vehicles from model year 2007 onwards (CW 22/06), which are fitted with a control
unit in the factory which supports the trailer stabilisation system, this function must be activated.
To do so, adjust the ABS-control unit -J104 with the selected diagnostics as follows:
•
Selected diagnostics
o Select vehicle
•
Suspension
o Break system
If this adjustment option is not listed in the control unit menu, the trailer stabilisation system
is not supported by the control unit installed.
7. If the vehicle rear fog light does not switch off when a trailer is attached, the short circuit bridge
(white/yellow) from the microswitch to Pin 2 must be broken in the trailer socket and insulated in
the correct way.
69 Trailer function (code)
Channel 2
•
0–30 cm (standard: 11 cm)
Change the code value: Byte 0 Bit sample xxxxxxx1 (x: enter the available
values in the entry field). To do this, switch to entry mode [BIN].
Select diagnostic function: 007 – Coding (Technical Support 1A)
•
Select vehicle system: Electrical system control unit Coding lang
o Change coding value: Byte 8 bit character set x1xxxxxx (x:
enter the current values in the input field), and switch to input
mode [BIN]."
> Continue (vehicle system test)
•
> Continue
o With 'Jump'' to 'Function-component selection''
01 - Self-diagnosis-capable systems
•
Anti-blocking system
o Functions
321 556 391 108 - 007
Adjustment TSP (trailer stabilisation system)
•
Continue to follow the menu instructions
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