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Reverse camera guidelines not straight

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Old Mar 7, 2020 | 10:17 AM
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Default Reverse camera guidelines not straight

Hey guys/gals, wanted to run this by you. My reverse camera guidelines appear to be off to the right. Been like this since I got it. Steering wheel is dead straight in this picture. Brought to dealer and rear camera was replaced which didn't help. Any ideas?


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Old Mar 7, 2020 | 03:07 PM
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Steering position sensor?
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Old Mar 7, 2020 | 03:37 PM
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Originally Posted by KenHorse
Steering position sensor?
What's weird is the very beginning of the guidelines are off. Steering wheel position sensor is good, also checked that.
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Old Mar 7, 2020 | 04:03 PM
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Any possibility that the camera mounting is not straight? Just throwing out ideas.
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Old Mar 7, 2020 | 04:14 PM
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Originally Posted by Vetteman Jack
Any possibility that the camera mounting is not straight? Just throwing out ideas.
Weird thing is that the camera is straight
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Old Mar 7, 2020 | 04:25 PM
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Originally Posted by Vetteman Jack
Any possibility that the camera mounting is not straight? Just throwing out ideas.
The lines are superimposed on the video (presumably computer generated), they're not generated by the camera itself

Last edited by KenHorse; Mar 7, 2020 at 04:26 PM.
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Old Mar 7, 2020 | 05:11 PM
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Originally Posted by KenHorse
The lines are superimposed on the video (presumably computer generated), they're not generated by the camera itself
I can't understand how they're crooked, software issue? The cars has all the updates
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Old Mar 7, 2020 | 05:14 PM
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Originally Posted by FiftyFiv3
I can't understand how they're crooked, software issue? The cars has all the updates
My best guess is that there are probably calibration points for the lines (based on steering wheel position) that need to be......tweaked.
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Old Mar 7, 2020 | 08:13 PM
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Originally Posted by KenHorse
My best guess is that there are probably calibration points for the lines (based on steering wheel position) that need to be......tweaked.
Might be but I'm not certain it has to do with steering sensor because of the way the left line starts higher than the right to begin with.
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Old Mar 8, 2020 | 08:59 AM
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Just looking at the image as it sits in the 'frame' of the center stack, the camera appears to be slightly rotated to the left in the mount. Looking at the actual camera from the rear of the car, would be rotated to the right. Wonder if there is any minor adjustment that can be played with for whatever they use to mount it above the plate.
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Old Mar 8, 2020 | 09:07 AM
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Originally Posted by pickleseimer
Just looking at the image as it sits in the 'frame' of the center stack, the camera appears to be slightly rotated to the left in the mount. Looking at the actual camera from the rear of the car, would be rotated to the right. Wonder if there is any minor adjustment that can be played with for whatever they use to mount it above the plate.
Dealership checked the mount when replacing the camera and everything was inline. I wonder if there is some way to just turn the guidelines off at this point.
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Old Mar 8, 2020 | 10:26 PM
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This is from the 2015 Owner's Manual:

Guidance Lines
The RVC system may have a guidance line overlay that can help the driver align the vehicle when backing into a parking spot.
To turn the guidance lines on or off:
1. On the infotainment system, press the Settings screen button, or turn the MENU **** to highlight Settings and press MENU.
2. Select Rear Camera.
3. Select Guidance Lines and then select Off or On.
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Old Mar 8, 2020 | 11:11 PM
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Originally Posted by Vetteman Jack
This is from the 2015 Owner's Manual:
Pretty sure they removed the ability to disable the guidelines from 2016s

Last edited by FiftyFiv3; Mar 8, 2020 at 11:23 PM.
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Old Mar 9, 2020 | 10:00 AM
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Originally Posted by FiftyFiv3
Pretty sure they removed the ability to disable the guidelines from 2016s
Not true. It's still there, at least on UVC equipped cars. Not sure on UVJ.

Last edited by Jeff V.; Mar 9, 2020 at 10:01 AM.
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Old Mar 9, 2020 | 10:07 AM
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Originally Posted by Jeff V.
Not true. It's still there, at least on UVC equipped cars. Not sure on UVJ.
I don't have that rear camera option in settings

Last edited by FiftyFiv3; Mar 9, 2020 at 10:07 AM.
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Old Mar 9, 2020 | 10:12 AM
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Does your car have the front camera option?
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Old Mar 9, 2020 | 10:13 AM
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Originally Posted by Jeff V.
Does your car have the front camera option?
It does
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To Reverse camera guidelines not straight

Old Mar 9, 2020 | 10:42 AM
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Ok. That probably explains it. On the UVJ cars there's a video processing module in the trunk. That's where your guidelines and a few other things come from. There's a calibration procedure for it. Unfortunately it's not a DIY thing. I'd even be surprised if your dealer could do it since it requires a ridiculously overpriced 'calibration mat'. I'm not sure if it's required equipment for them or not.





Anyway, either your video module is out of calibration, or something in your steering is off whack. There mechanical side of the steering is probably fine. It's just possible the sensors weren't calibrated after the last alignment or something.

So to sum it up, either the video module or one of the steering modules or sensors probably needs to be recalibrated.
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Old Mar 9, 2020 | 10:47 AM
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Originally Posted by Jeff V.
Ok. That probably explains it. On the UVJ cars there's a video processing module in the trunk. That's where your guidelines and a few other things come from. There's a calibration procedure for it. Unfortunately it's not a DIY thing. I'd even be surprised if your dealer could do it since it requires a ridiculously overpriced 'calibration mat'. I'm not sure if it's required equipment for them or not.





Anyway, either your video module is out of calibration, or something in your steering is off whack. There mechanical side of the steering is probably fine. It's just possible the sensors weren't calibrated after the last alignment or something.

So to sum it up, either the video module or one of the steering modules or sensors probably needs to be recalibrated.
I'm betting it's the video module, had steering sensor checked when it was in for it's last alignment which were in spec. Might have to try some dealers, too bad it's such a small nuisance but not a simple fix. I wonder if the video module can be replaced?

Thanks for the help and finally giving me some clarity on this.

Last edited by FiftyFiv3; Mar 9, 2020 at 10:47 AM.
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Old Mar 9, 2020 | 10:55 AM
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The module can be replaced, but it has to be programmed....and calibrated.

I'm working on retrofitting one of those modules (and the front cameras) into my 2014. I can do the programming, but I don't know how I'm going to deal with the calibration step. It'll be a cold day in hell before I spend $500+ on a vinyl floor mat with some squares printed on it.
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