Trailer Hitch Retrofitting (4L)

CAN-Gateway

[Select]
[19 - CAN-Gateway]
[Coding - 07]
[Long Coding Helper]
Set Byte 00 Bit 1 = [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 coding table 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 control module is similar to the factory installed one (which would be 4L0-907-383-*).

[Select]
[03 - Brake Electronics]

[Coding - 07]
Note the current coding and substract 0000016 from it (e.g. 0033937 - 0000016 = 0033921).
[Do it!]

[Close Controller, Go Back - 06]

Others

If installed the following modules may need to be recoded.

• Parking Aid
• Engine (does NOT apply if engine is not mentioned)
  • 3.2l V6 FSI
  • 4.2l V8 FSI
• Level Control
• Distance Regulation
• Lane Change Assist
• Back-Up Camera