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General => General discussion => Topic started by: johnnyvr6 on 13 December 2013, 21:45

Title: diagnostic scanner won't connect to my mk4
Post by: johnnyvr6 on 13 December 2013, 21:45

hi I have just bought a scanner of ebay tried it on my car and it won't pick my car up it works fine on my bmw 1 series and my mates car but not mine wtf,anyone had this problem

Title: Re: diagnostic scanner won't connect to my mk4
Post by: dom on 13 December 2013, 22:02

Do you have an aftermarket headunit?

Title: Re: diagnostic scanner won't connect to my mk4
Post by: johnnyvr6 on 13 December 2013, 22:10

there isn't one in there but looks like it has has a sound system in there at some point as there is wires all over

Title: Re: diagnostic scanner won't connect to my mk4
Post by: Rhyso on 13 December 2013, 22:26

Wont work without the k line hooked up

You need to refit a standard headunit

Title: Re: diagnostic scanner won't connect to my mk4
Post by: johnnyvr6 on 13 December 2013, 22:28

Quote from: Rhyso on 13 December 2013, 22:26

Wont work without the k line hooked up

You need to refit a standard headunit

so I need to fit a radio in to scan my car why will it not scan without a radio and what is a k line please

Title: Re: diagnostic scanner won't connect to my mk4
Post by: Rhyso on 13 December 2013, 22:32

Quote from: johnnyvr6 on 13 December 2013, 22:28

Quote from: Rhyso on 13 December 2013, 22:26

Wont work without the k line hooked up

You need to refit a standard headunit

so I need to fit a radio in to scan my car why will it not scan without a radio and what is a k line please

K line is the diagnostic line for the MK4; its prior to the CANBUS system in your 1 series

It runs through the stereo. If its not connected it stops the diagnostics working.

Title: Re: diagnostic scanner won't connect to my mk4
Post by: johnnyvr6 on 13 December 2013, 22:48

ok cheers I will see if I can get an original radio in then try