2017 A4 Active Lane Assist partially works

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azjazz
New Member

Posts: 9

2017 A4 Active Lane Assist partially works Dec 31, 2021 23:19:06 GMT

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Post by azjazz on Dec 31, 2021 23:19:06 GMT

Hi - I have a 2017 A4 (B9) Quattro that was equipped with Basic + City Pre-Sense (according to the window sticker). I do have the forward-looking camera that tells me when I need to apply brakes. My A4 did not have Lane Assist installed by the factory.

I think that Active Lane Assist was installed by OBDeleven to some level, but I don't get any steering wheel feedback when I deviate outside of the lanes.

I installed these OBDeleven Apps in this order:

Lane Assist Step 1=Activated (Saw some kind of "Contact Support" error message)
Lane Assist Step 2=Active without LD Button
Lane Assist Deactivation Threshold=Late
Personalization of Lane Departure=Activated after engine start
Lane Assist Wheel Vibration=Strong
Lane Assist Steering Support=Strong

I know that some level of Lane Assist has been activated. When I go to the Driver Assist window on the cockpit display, I now see green lane bars light up as I am driving. I never saw that before.

However, I don't get any sort of lane departure physical feedback (vibration or steering) when I veer out of a lane without using the turn signals.

Does my Audi need additional equipment to activate the Active Lane Assist steering wheel feedback?

Or, do I need to do some additional programming through the OBD device?

Thanks,

AzJazz

azjazz
New Member

Posts: 9

2017 A4 Active Lane Assist partially works Jan 1, 2022 1:46:57 GMT

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Post by azjazz on Jan 1, 2022 1:46:57 GMT

UPDATE: OK, I found part of the solution (and possibly the full solution).

I needed to go into the MMI Vehicle Settings, and activate the now-visible Active Lane Assist menu item features. I now get steering wheel vibration when the car diverges from the lane without signaling first.

However, I don't seem to get any sort of vehicle corrective steering effect. Is the corrective steering extremely subtle, even when the OBDeleven Lane Assist Steering Support=Strong?

Last Edit: Jan 1, 2022 1:48:21 GMT by azjazz

pt16a4
Junior Member

Posts: 83

2017 A4 Active Lane Assist partially works Jan 2, 2022 20:03:23 GMT

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Post by pt16a4 on Jan 2, 2022 20:03:23 GMT

I followed the coding in this thread: forum.obdeleven.com/thread/945/coding-turning-audi-active-assist?page=1&scrollTo=3528

Followed all coding, except for Central Electrics "Heading Control" (I kept getting Pre-sense faults at that stage), and everything works for me - settings present vai MMI, lane markings shown in the gauge cluster, and feedback from the steering wheel (vibrate and corrective steering).

I also only have pre-sense city, and in my experience, the vehicle should be able to actively correct its heading.

azjazz
New Member

Posts: 9

2017 A4 Active Lane Assist partially works Jan 6, 2022 0:24:48 GMT

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Post by azjazz on Jan 6, 2022 0:24:48 GMT

To test the Lane Assist Steering Support, I drove on the highway through a slow curve while taking my hands lightly off the steering wheel. I saw that the Steering Assist was working, where the steering wheel would lightly turn in the proper direction to keep the car centered in the lane. After a few seconds of the steering wheel controlling the turn, I heard a double-beep and saw a "Put your hands back on the wheel, you idiot!" alert show up on the cockpit display.

I guess the "Strong" setting isn't really very strong.

Last Edit: Jan 6, 2022 0:25:27 GMT by azjazz

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