Erratic Lane Centering

rd618

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Searched but couldn’t find this topic.
I’m having an issue where the vehicle is almost struggling to stay centered. It’s acting as if it is constantly over correcting. I’ll be center lane, no traffic, hit cruse at 70, and it will slowly stay bouncing left and right and left and right and building up to a point where the system cruise control shuts off.
Where I live we have some crappy roads with poor markings and some well marked interstates. My issue regarding he lane centering is on the well marked roads. No reflectors or double markings I-684 for those local.
I almost feel the steering alignment or camera calibration is off. It doesn’t do this on poor marked roads or in a turn. Only dead straight. My guess is steering alignment might be off by 1-2 degrees and when the computer says “heading straight 0” it’s actually turning left slightly and then goes “drifting left compensate right 2” and that’s really right 4. And then starts the snowball.

Let me know if I’m crazy or if you have other ideas.
Bringing in for service next week for a wheel vibration issue. Maybe it’s related.
22 304a with elsd and HD tow
 

Rob6805

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The lane keeping system on these is not intended to be hands free. It only is for a little nudge if you drift too close to the line. Blue Cruise is a fully hands free system that is only available on the Platinum and I think you have to pay a subscription for it too.
 

GixxerJasen

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Yup, it's for when you are fiddling with the radio and start to leave your lane, it'll help you avoid catastrophe.
 

mlogan

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Hands free does a better job. No subscription fee yet on Platinum. I think it’s 3 years, I forget.
 
OP
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rd618

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The lane keeping system on these is not intended to be hands free. It only is for a little nudge if you drift too close to the line. Blue Cruise is a fully hands free system that is only available on the Platinum and I think you have to pay a subscription for it too.
I don’t have bluecruse and I’m not suggesting I’m taking my hands off the wheel. I still have hands on, it starts pulling the wheel in the manor described. If I hold it and prevent it from making any correction then it drives straight.
I have 2 other cars with lane keeping assist and lane centering, both don’t act like this. When you’re driving straight they just stay the course. None of this bouncing left and right within the lane.
 

AJ82

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My 22 doesn't bounce back and forth like that with lane centering turned on. It stays pretty true to center always making minor corrections to stay there. If just lane keeping assist is turned on (no centering) it does the "ping pong" back and forth. So assuming you have lane centering turned on I'd say something isn't right. Having them check it out is a good idea.
 

99WhiteC5Coupe

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Searched but couldn’t find this topic.
I’m having an issue where the vehicle is almost struggling to stay centered. It’s acting as if it is constantly over correcting. I’ll be center lane, no traffic, hit cruse at 70, and it will slowly stay bouncing left and right and left and right and building up to a point where the system cruise control shuts off.
Where I live we have some crappy roads with poor markings and some well marked interstates. My issue regarding he lane centering is on the well marked roads. No reflectors or double markings I-684 for those local.
I almost feel the steering alignment or camera calibration is off. It doesn’t do this on poor marked roads or in a turn. Only dead straight. My guess is steering alignment might be off by 1-2 degrees and when the computer says “heading straight 0” it’s actually turning left slightly and then goes “drifting left compensate right 2” and that’s really right 4. And then starts the snowball.

Let me know if I’m crazy or if you have other ideas.
Bringing in for service next week for a wheel vibration issue. Maybe it’s related.
22 304a with elsd and HD tow


Is the vehicle covered by the Ford warranty or service contract?

If so, have you taken it to a dealer for diagnosis and repair?
 

2020FordRaptor

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Searched but couldn’t find this topic.
I’m having an issue where the vehicle is almost struggling to stay centered. It’s acting as if it is constantly over correcting. I’ll be center lane, no traffic, hit cruse at 70, and it will slowly stay bouncing left and right and left and right and building up to a point where the system cruise control shuts off.
Where I live we have some crappy roads with poor markings and some well marked interstates. My issue regarding he lane centering is on the well marked roads. No reflectors or double markings I-684 for those local.
I almost feel the steering alignment or camera calibration is off. It doesn’t do this on poor marked roads or in a turn. Only dead straight. My guess is steering alignment might be off by 1-2 degrees and when the computer says “heading straight 0” it’s actually turning left slightly and then goes “drifting left compensate right 2” and that’s really right 4. And then starts the snowball.

Let me know if I’m crazy or if you have other ideas.
Bringing in for service next week for a wheel vibration issue. Maybe it’s related.
22 304a with elsd and HD tow
The reason being is because that is Lane Keeping System not BlueCruise. LKS is assist only. BlueCruise is semi-auto.
 

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