Dash and screen not dimming - Jeep Compass Forum
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post #1 of 127 Old 08-07-2017, 08:18 PM Thread Starter
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Dash and screen not dimming

I have my uconnect screen and dash set to auto dimming. However, whenever I am driving during sunset into the night, the screen will not dim when the headlights turn on. I have the dash dimmer scroll knob properly placed in the middle, scrolling section. It is not locked into the always day brightness section.
When I turn off the car and restart (eg. gas stop), the screen and dash will then be properly dimmed.

Even in manual mode, if the headlights turn on while the car is on, the dash will not register that switch. It seems that the dash registers that the headlights are on only if the headlights are on when the car is started (if that makes sense).

Anyone having this issue?
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post #2 of 127 Old 08-09-2017, 09:58 PM
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I haven't played with it much, but one issue I HAVE had is the camera - at night when the back-up camera is on it is SO bright it's practically blinding, making it VERY difficult to back up at all. I haven't figured out a night setting for that yet
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post #3 of 127 Old 08-11-2017, 03:09 PM
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Too bad car makes haven't taken a big page out of what smartphone makers do which would really dumb down our infotainment experience to a point its almost no different that our hand held devices. Would cut out on a lot of question and searching for information.
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post #4 of 127 Old 08-19-2017, 01:41 PM
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The dealer flashed the computer and that fixed it for me. It didn't seem to help right away, but that night, the auto dim and dimmer switch worked as it should.
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post #5 of 127 Old 08-21-2017, 08:54 PM
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Cool I will have them try it! Extra bright because ours is ORANGE
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post #6 of 127 Old 08-27-2017, 05:18 AM
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The dealer flashed the computer and that fixed it for me. It didn't seem to help right away, but that night, the auto dim and dimmer switch worked as it should.
I think what might have helped here was turning the vehicle on and off to help reset things and get the flash to really work. Anyone getting the flash done should do this, maybe they will see changes happen instant.
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post #7 of 127 Old 09-19-2017, 03:47 PM
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I have my uconnect screen and dash set to auto dimming. However, whenever I am driving during sunset into the night, the screen will not dim when the headlights turn on. I have the dash dimmer scroll knob properly placed in the middle, scrolling section. It is not locked into the always day brightness section.
When I turn off the car and restart (eg. gas stop), the screen and dash will then be properly dimmed.

Even in manual mode, if the headlights turn on while the car is on, the dash will not register that switch. It seems that the dash registers that the headlights are on only if the headlights are on when the car is started (if that makes sense).

Anyone having this issue?
I've got this issue with a new 2017 Compass Latitude. The dimmer works only rarely usually when i first start the vehicle. After driving it, it seems to revert to full brightness with the dimmer switch having on effect on dimming. It seems that the switch should always give you control over the brightness setting no matter time of day. I took it to the service dept. at my dealer and they said that it was "working as it should". I'm not 100% sure they understood the issue though so i may take it to another Jeep dealer and see what they say.
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post #8 of 127 Old 09-19-2017, 03:56 PM
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Quote:
Originally Posted by kuba View Post
I have my uconnect screen and dash set to auto dimming. However, whenever I am driving during sunset into the night, the screen will not dim when the headlights turn on. I have the dash dimmer scroll knob properly placed in the middle, scrolling section. It is not locked into the always day brightness section.
When I turn off the car and restart (eg. gas stop), the screen and dash will then be properly dimmed.

Even in manual mode, if the headlights turn on while the car is on, the dash will not register that switch. It seems that the dash registers that the headlights are on only if the headlights are on when the car is started (if that makes sense).

Anyone having this issue?
Mine has the same problem were you able to get this fixed?
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post #9 of 127 Old 09-19-2017, 04:11 PM Thread Starter
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I'm still having the issue after some powertrain control update that they tried.

Dealership said that they saw/heard that a "cluster panel" update is coming soon. Hopefully that will fix it. They weren't sure when it would come out.

Let us know if anyone hears that it's out, Ill be sure to do the same.
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post #10 of 127 Old 10-10-2017, 07:34 PM
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I just received a call back from the FCA (Chrysler Headquarters) telling me that since there are not enough reports about this issue there's nothing they can do. All they suggested was to take to different Chrysler dealerships to have it checked out and if they find they find the issue and fix it to call him back and report it to him. It looks like more people need to report that to Chrysler and not the local dealership in order to get the ball rolling. It's a brand new car they said and as of now there are no issues/claims/malfunctions of it.
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post #11 of 127 Old 10-10-2017, 08:44 PM
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Talked to my dealer about this yesterday as well. He told me that it is essential that more dealers file an actual case with the Jeep HQ.
This requires me to bring the car in later this week, but I do feel strongly that this is an actual safety issue given that it impacts night vision.
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post #12 of 127 Old 10-11-2017, 03:52 AM
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Originally Posted by Dallas09m3 View Post
The dealer flashed the computer and that fixed it for me. It didn't seem to help right away, but that night, the auto dim and dimmer switch worked as it should.
My dimmer switch isn't working again. I didn't drive the car at night for several weeks. The damned thing is still bright as hell and the dimmer switch doesn't do anything. I'm taking it back to the dealer soon.
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post #13 of 127 Old 10-11-2017, 11:00 AM
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I am sure probably not the case here, but are you moving the correct dimmer switch? I thought the same thing. Then I realized I was moving the dimmer for the ambient lighting and not the one right next to it for the dash and courtesy lights.

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post #14 of 127 Old 10-12-2017, 04:04 PM
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I am certainly using the correct switch, but the point you made is a valid one as I was confused initially as well.

The issue is that both the unit controlling the dash lighting as well as the uConnect never gets the signal from the car that the headlights are turned on.
You can easily verify this issue by going into the uConnect setting and look for the screen brightness setting. There are two: One for headlights on and one for off. Only the one for headlights off will be available. The other one is greyed out.

A workaround is to get into the car, close all doors, but the head light switch to manual ON and then start the vehicle. This will make the dimmer work as long as nobody opens a door or cycles the headlights.
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post #15 of 127 Old 10-12-2017, 07:11 PM
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Having the same problem, my dealership said I needed a new body control module which was replaced yesterday, after replacing my air conditioning stopped working so they kept it and opened a "star report" They tell me it is fixed and I can pick up my car now, I will keep you updated.
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post #16 of 127 Old 10-12-2017, 10:25 PM
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Please keep us posted. I have an appointment with our dealership tomorrow morning.
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post #17 of 127 Old 10-14-2017, 12:52 AM
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Got the Jeep back from the dealership today. They worked with the HQ and provided vehicle data, etc. No solution to the problem so far.

Can you please contact your dealer and Jeepís HQ as well if your vehicle has the same issue?
We need more reports to Jeep.
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post #18 of 127 Old 10-14-2017, 02:00 AM
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Quote:
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Having the same problem, my dealership said I needed a new body control module which was replaced yesterday, after replacing my air conditioning stopped working so they kept it and opened a "star report" They tell me it is fixed and I can pick up my car now, I will keep you updated.
What the hell? What is the build date on yours? Mine is June 22nd. My alignment was off from the factory, which the selling dealer fixed for me. There was also a small tear in the steering wheel they would not replace so I put a cover on it. Otherwise, no similar issues aside from a few rattles I've had to address in the dash area.

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post #19 of 127 Old 10-14-2017, 03:29 AM
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So I my Compass back from the dealer yesterday, returned this morning as it still wasn't fixed. My service tech got the idea to change out the dimmer switch. He took one from a car on the lot that was working correctly and swapped it in mine with no success, then put it back in the donor car and it stopped working too. Thankfully, my dealership is on top of it. I was able to show them the workaround with turning the headlights on first but if you adjusted the dimmer or turned on a cabin light it would go back to not working. So they opened a STAR case and gave me a loaner until they get it fixed.
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post #20 of 127 Old 10-16-2017, 03:20 PM
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Ok guys I've figured out what's causing the issue and I've been trying to contact a person in FCA to report it and start working on the solution. On the cluster inside the right dial (speedometer) next to the MPH lettering there's a small light sensor. That sensor is the one putting the whole system in the "Day Mode" which makes all the instruments fully bright.
If you turn the car off for a couple minutes, cover that part of the cluster, turn the lights on and then turn the car on, it'll be working perfectly until that sensor senses a light again (around 8 seconds of light exposure). If you turn it on with the lights off, the brightness of the dials inside the cluster is bright enough to still trigger the sensor.
Now I don't know if it's the sensor that malfunctions and the whole system doesn't get out of "Day Mode" or there's an overload on the system by the time that sensor gets trigerred
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post #21 of 127 Old 10-16-2017, 09:57 PM
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Now I don't know if it's the sensor that malfunctions and the whole system doesn't get out of "Day Mode" or there's an overload on the system by the time that sensor gets trigerred
Looks like it is the complete system that never gets the message that the headlights are turned on (night mode).
You can check that in the settings pages of the uConnect system. There are settings for both day (headlights off) and night (headlights on). The night settings are greyed out when this issue happens.
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post #22 of 127 Old 10-17-2017, 12:44 PM
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The thing is that the system works great until that sensor gets light and gets triggered. All the settings and adjustments through the dimmer wheel and the UConnect settings is perfectly fine until the time when the sensor gets light for more than 8-9 seconds and goes to "day mode" full brightness
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post #23 of 127 Old 10-17-2017, 03:22 PM
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I have the 7" Uconnect with similar issues. For me, it will go into night mode if its dark out when I start the car. If I'm driving in the evening, it will stay very bright all night if I don't shutdown and restart the car. I was not excited about that on the road trip I took last weekend. I leave the headlights in "auto" mode and have the uconnect display set to manual settings for day/night driving. Also had my first uconnect reboot the other day. At least there is a workaround, so I can live with it until we get an update. Unfortunately companies in general seem comfortable releasing beta software these days. (Damn you Agile Processes )

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post #24 of 127 Old 10-17-2017, 05:19 PM
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Quote:
Originally Posted by Panos Othon View Post
The thing is that the system works great until that sensor gets light and gets triggered. All the settings and adjustments through the dimmer wheel and the UConnect settings is perfectly fine until the time when the sensor gets light for more than 8-9 seconds and goes to "day mode" full brightness
I did not check this, yet, but you might have: What happens if you cover the sensor one the system goes to day mode?
My hunch is that the system will likely stay in day mode which would be the exact software error, but I have never tested this.
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post #25 of 127 Old 10-17-2017, 05:56 PM
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Just head another call with my dealer and FCA HQ. It's more than frustrating.

FCA told me they close the STAR case as the dealer gave me the vehicle back. The dealer gave me the vehicle back as there was no fix and also refuses to give me a loaner car. Actually, any STAR cases get closed after 48h if the vehicle is not at the dealer. I will have to schedule another appointment with the dealer as this is the only way (according to the FCA HQ) to get the STAR case re-opened.

Looks like FCA still does not understand that more than one 2018 Compass has this issue.

What's your experience with your dealer regarding the issue?
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post #26 of 127 Old 10-17-2017, 06:54 PM
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Just head another call with my dealer and FCA HQ. It's more than frustrating.

FCA told me they close the STAR case as the dealer gave me the vehicle back. The dealer gave me the vehicle back as there was no fix and also refuses to give me a loaner car. Actually, any STAR cases get closed after 48h if the vehicle is not at the dealer. I will have to schedule another appointment with the dealer as this is the only way (according to the FCA HQ) to get the STAR case re-opened.

Looks like FCA still does not understand that more than one 2018 Compass has this issue.

What's your experience with your dealer regarding the issue?
Dealer has had mine since Thursday. Star case was opened and engineer came out on Monday to look at it. Dealer has replaced BCM and dimmer switch. Today I saw that the entire dashboard was dropped because the engineer wanted them to test the entire wiring harness.

I have a Renegade as a loaner and it has the same dimming setup but it works correctly. I stopped by the dealer today to show my tech adviser that if you covered the light sensor in the instrument panel it would go to night mode and dim. This did not work on my Compass though or another one on the lot. He did say he would keep it until they got a fix. He turned the dimmer all the way up on his one night thinking about me and noticed how difficult it would be to drive at night being that bright.
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post #27 of 127 Old 10-17-2017, 07:17 PM
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Also for anyone who has this issue PLEASE make a report on nhtsa.gov. This is clearly a safety issue and the quickest way for FCA to be forced to fix it if it is indeed a software issue.
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post #28 of 127 Old 10-17-2017, 09:43 PM
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I'll try make a video on how to temporary fix that. The car needs to start with the sensor on the cluster covered and the lights on. If the lights are off, the cluster light is in full brightness which triggers the sensor. If the lights are off, the cluster light is dimmed so it doesn't trigger the sensor. As soon as everything goes full brightness, you need to turn the car off and let it sit for almost 2 minutes so all the lights turn of and the "brake" light on the cluster is off, which means the ECU went to sleep.
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post #29 of 127 Old 10-17-2017, 09:48 PM
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Just schedule another service appointment.

Panos, would you be able and willing to share the last 8 digits/letters of your VIN with me? I would like to reference that one in addition to my vehicle when I call FCA later today or tomorrow.
Right now the dealer is waiting for a new dimmer switch... so following the same debugging process like your vehicle. Looks like that does not help much.

-Sven

Last edited by sven; 10-17-2017 at 09:53 PM.
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post #30 of 127 Old 10-17-2017, 09:53 PM
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UPDATE:

Dealer called me his afternoon, STAR engineer said the vehicle was behaving as designed (apparently the dimmer switch is for decoration) and instructed dealer to return the Compass to me they would not authorize further repairs.

I sent a 15 day notice to repair under my states lemon law, I will update when I hear further.
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