View source for Trailer Hitch Retrofitting (1K)

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== CAN-Gateway ==

'''[Select]'''<br>
'''[19 - CAN-Gateway]'''<br>
'''[Coding - 07]'''<br>
'''[Long Coding Helper]'''<br>
Set ''Byte 02 Bit 6 = [69] Trailer'' active.<br>
'''[Do It!]'''<br>
'''[Close Controller, Go Back - 06]'''<br>


== Trailer Control Module ==

'''''NOTE:''' This part varies depending on the type of the trailer control module. There are 2 variants available, those which are diagnostic capable and those who are not''


'''''Variant #1:''' ''Trailer Control Module NOT diagnostic capable''

Nothing to do here, so leave it alone.

'''''Variant #2:''' ''Trailer Control Module diagnostic capable''

This control module requires a coding, see VAG-COM coding help or vehicle specific [[Diagnostic Procedures|diagnostic procedures]] for details.


== Trailer Stabilization ==

'''''NOTE:''' Make sure the vehicle has been produced after 06/06/2005 (MY 2006+), earlier models may not support this feature - same applies for newer ones where you get an error when accessing the adaptation channel in question. Also there seem to be legal limitations for USA, Canada and Australia which do not allow the activation of this feature.''

'''[Select]'''<br>
'''[03 - Brake Electronics]'''<br>

'''[Security Access - 16]'''<br>
Enter 15082, to enable the adaptation.<br>

'''[Adaptation - 10]'''<br>
Channel 056<br>
'''[Read]'''<br>
To enable the trailer stabilization, save 1 as new value.<br>
'''[Test]'''<br>
'''[Save]'''<br>
'''[Done, Go Back]'''<br>

Now test the trailer stabilization by plugging the trailer connector tester VAG 1537/A into the trailer connector. Do NOT push the brake pedal.<br>

'''[Output Test - 03]'''<br>
Step forward to output ''???'', the brake lights should now be active.

'''[Close Controller, Go Back - 06]'''<br>