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Another tow bar coding question

#1 User is offline   Steve H 

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Posted 07 July 2020 - 03:02 PM

After coding my westfalia tow bar electrics I was suprised that the rear parking sensors still bleep when towing and that there isn't a bleep in the cabin when indicating. Just wondering if other members can confirm this is correct?
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#2 User is offline   Black Grouse 

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Posted 07 July 2020 - 04:06 PM

Trailer indicator warning can work in one of two ways - a beep/flash to show they're working ok - or a beep/flash to show they aren't working - if the towbar wiring has been coded to the car they use the latter method as they're fully integrated with the bulb-failure circuitry.
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#3 User is offline   ColinT 

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Posted 07 July 2020 - 04:13 PM

View PostSteve H, on 07 July 2020 - 03:02 PM, said:

After coding my westfalia tow bar electrics I was suprised that the rear parking sensors still bleep when towing and that there isn't a bleep in the cabin when indicating. Just wondering if other members can confirm this is correct?

My rear parking sensors don't work when towing.

TowTrust bar coded by Buchans in Edinburgh.
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#4 User is offline   Klewy 

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Posted 07 July 2020 - 04:39 PM

View PostSteve H, on 07 July 2020 - 03:02 PM, said:

After coding my westfalia tow bar electrics I was suprised that the rear parking sensors still bleep when towing and that there isn't a bleep in the cabin when indicating. Just wondering if other members can confirm this is correct?


On mine there's no indications at all when indicating, unless a bulb has failed on the caravan, and rear parking sensors are disabled when reversing with the RNS850 screen showing a schematic of the back of the car and a trailer drawbar.
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#5 User is offline   Cass 

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Posted 07 July 2020 - 10:51 PM

The OEM swivelling towbar electrics isolate the electric tailgate (it still clicks open/locks but must be manually raised/lowered), the rear parking sensors are switched off, a towed trailer Image appears in the RNS850 head unit and safety features such as ESP are adjusted. There are no beeps and the indicators are normal. Sounds like your wiring and/or coding is incorrect :huh:
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#6 User is offline   Steve H 

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Posted 14 July 2020 - 07:35 AM

Thank you for the replies. The coding was done via an autologic type diagnostic device so I'm going to call them and see what they say.
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#7 User is offline   Cass 

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Posted 14 July 2020 - 08:52 AM

View PostSteve H, on 14 July 2020 - 07:35 AM, said:

Thank you for the replies. The coding was done via autologic so I'm going to call them and see what they say.

The coding is obviously wrong - if they can’t do it, suggest to them that you go to a main dealer and they can pick up the bill ;)
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#8 User is offline   Steve H 

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Posted 14 July 2020 - 01:35 PM

Thanks Cass, sorry I wasn't clear with my post so I have edited it. Basically I coded it using an autologic device but the westfalia instructions are for VAS. It's somethink I have done but autologic are really good with support so when I get the chance I will call them. I really should invest in VCDS.
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#9 User is offline   Cass 

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Posted 14 July 2020 - 03:52 PM

Maybe someone here can assist you:

https://www.mytreg.c...member-locator/
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#10 User is offline   Steve H 

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Posted 14 July 2020 - 10:17 PM

View PostCass, on 14 July 2020 - 03:52 PM, said:

Maybe someone here can assist you:

https://www.mytreg.c...member-locator/


Hopefully I can sort it but if not a drive to manchester may be my best option.
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#11 User is offline   Steve H 

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Posted 30 July 2020 - 07:47 PM

Finally sorted it. Recoded with a mate's device which gave me full access to the park assist module. I need to stop being tight and buy a vcds lead. :rolleyes:
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#12 User is offline   Cass 

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Posted 30 July 2020 - 09:47 PM

View PostSteve H, on 30 July 2020 - 07:47 PM, said:

Finally sorted it. Recoded with a mate's device which gave me full access to the park assist module. I need to stop being tight and buy a vcds lead. :rolleyes:

;)
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