Difference between revisions of "Trailer Hitch Retrofitting (4F)"

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== Engine ==
 
== Engine ==
  
Some engine control modules may need to be recoded, see VAG-COM coding help or vehicle specific [[Diagnostic Procedures|diagnostic procedures]] for details.
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Normally there is no activation of the trailer hitch in the ECU necessary, however the following engines require to be recoded:
  
 
* [[2.0l TFSI (AXX/BGB/BPJ/BPY/BWA)|2.0l TFSI]]
 
* [[2.0l TFSI (AXX/BGB/BPJ/BPY/BWA)|2.0l TFSI]]

Revision as of 06:32, 14 December 2006

CAN-Gateway

[Select]
[19 - CAN-Gateway]
[Coding - 07]
[Long Coding Helper]
Set Byte 00 Bit 0 = [69] Trailer active.
[Do It!]
[Close Controller, Go Back - 06]


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 (#69) NOT diagnostic capable

Nothing to do here, so leave it alone.

Variant #2: Trailer Control Module (#69) diagnostic capable

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


Trailer Stabilization

NOTE: Activating this feature is only permitted for cars that come with a trailer hitch as factory installed equipment or where the retrofitted trailer hitch is similar to the factory installed one.

[Select]
[03 - Brake Electronics]

[Coding - 07]
Note the current coding and substract 0016384 from it (e.g. 0020871 - 0016384 = 0004487).
[Do it!]

[Close Controller, Go Back - 06]


Parking Aid

This control module needs to be recoded, see VAG-COM coding help or vehicle specific diagnostic procedures for details.


Engine

Normally there is no activation of the trailer hitch in the ECU necessary, however the following engines require to be recoded:


Distance Regulation

This control module needs to be recoded, see VAG-COM coding help or vehicle specific diagnostic procedures for details.