
Purpose: Enables the installation of a retrofit trailer hitch (trailer/towbar retrofit).
Watch out! For Facelift model. Adaptation in motor control unit 01 is not accepted for some models. In this case, the coding can be ignored. Control units that are not installed can also be ignored. Please note that certain coding steps must be carried out according to the part numbers installed.

Watch out! There are a maximum of 7 lines of coding to do here, depending on the modules you have installed. Most ECUs have long coding with “trailer” to activate!
Proceed :
1 – Engine off, ignition off, connect your official VAG-COM VCDS cable to
the computer, then plug the other end into your vehicle’s diagnostics socket.
2 – Switch on the ignition and run the VCDS program.
Line 1:
3 – Click “Select,” then click “19 – CAN Gateway.”
4 – Select “Installation List”
5 – Check the box next to “69 – Trailer” in the list
6 – Save coding

Line 2 (for towing hook mounting with double ventilation) :
3 – Click on“Select”, then click on“01 – Motor“.
4 – Click on ” Coding – 07” then click on“Long Coding Helper“.
5 – Select byte“07”
Then check Bit“3-5” (activates the installed vent)
OR
5 – Select byte“05”
Then check Bit“4”.
Line 3:
3 – Click “Select,” then click ““09 – Cent. Elect.”“.
4 – Click on“Coding – 07” then click on“Long Coding Helper“.
5 – Select byte“18”
Tick Bit 5
Line 4:
3 – Click on“Select” then click on“03 – ABS brake“.
4 – Click “Security Access – 16,” then enter the code “61378“
5 – Click on“Coding – 07” then click on“Long Coding Helper“.
6 – Select byte“01”
Tick Bit 7
Line 5:
3 – Click “Select,” then click “10 – Parking Assistance.”
4 – Click on ” Coding – 07” then click on“Long Coding Helper“.
5 – Select byte“00”
Then Bit “0-3” Select “Trailer Hitch Installed (Manually Removable)”.
Line 6:
3 – Click “Select,” then click “5F – Electrical Information.”
4 – Click “Coding – 07,” then click “Long Coding Helper“
5 – Select byte“10”
Tick Bit 5
Line 7 (If equipped with a backup camera):
3 – Click “Select,” then click “6C – Back-up Cam.”
4 – Click “Coding – 07,” then click “Long Coding Helper“
5 – xx?0xxx: +1 = Trailer Hitch installed
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