rear tow bar electrics

[Allyn78]

i i have an a4 avant b7 quattro and have just fitted a tow bar i bought a ECS tow bar wiring kit for this a car , have wired it all in and instruction say it has to be coded to the car. i have vag.com . can any body tell me how to do this.

 

[piglet14]

watching

 

[RJ-8V]

Code your engine, abs, comfort module and park assist.

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