2013 Journey Crew EVIC Display and 8x4 panel brightness getting dimmer as the vehicle ages

[smfabac]

I've a 2013 Journey Crew with 8x4 Uconnect, backup camera, no navigation, etc...  I've noticed that the brightness of the 8x4 panel and the EVIC dash display becoming dimmer over time. All settings are correct to shift brightness between head lights on and off (10 day, 5 night).  During the day with sun shining in, the backup camera image is hard to see. I asked my local dealer service writer if there is a master brightness control and he was unaware of any adjustment that can be made to punch up the brightness beyond the "10" setting with auto on or "daylight" selected. The 8x4 panel and the Electronic Vehicle Information Center (EVIC)Display / Odometer Display brightness tracks the change in the dimmer control, and both appear to be the same brightness level.  I understand that LCD displays degrade over time but for both the EVIC display and the 8x4 to degrade the same amount seems unlikely. I suppose that I can check the terminals on the dimmer switch to see if a variable voltage output pin reaches 12V indicating max brightness limit. (Unless it is a CAN BUS control_)

 

Other odd electrical problems that may be related: Open the driver's door, press the lock button, and step out and close the door, at odd times the doors will unlock as I walk away from the car (1 out of 20 times). Sometimes, walking away from the locked car, the horn will beep three times, and the doors are unlocked requiring me to use the key fob to relock the car.  One day Sirus XM decided to change channels at random. This was annoying for 15 minutes but then it settled down and stayed on the selected channel. 

[2late4u]

I would first have the alt checked to make sure it is putting out the correct current while running and also have the battery load checked as well both checks can be done at most auto parts stores for free,the electronics can act crazy without the proper current supplied to them.....that said there is a sensor that determines whether its day or night that controls the brightness of the lights inside the journey ,does your change brightness after it gets dark outside? as far as the horn beeping the three times and unlocks your journey after you have loved it and walked away is a common occurrence that I have as well ,I believe the journey notices that I have manually locked it before shutting the doors but hen thinks the keys are still inside the vehicle and will not let me walk away without beeping,kind of irritating but no big deal,,also first time iv read where the  LCD displays degrade over time ????

[5rebel9]

I agree with member 2late4u. But being 12 years old now, I would also suspect a poor ground connection in the wiring for those panels. Just where is a case for a good wiring schematic and patience in locating it in the vehicle. Grounds are just as important as power.

[2late4u]

5 hours ago, 5rebel9 said:

I agree with member 2late4u. But being 12 years old now, I would also suspect a poor concurreground connection in the wiring for those panels. Just where is a case for a good wiring schematic and patience in locating it in the vehicle. Grounds are just as important as power.

I agree with with the grounds as well,,,,he shows he is  from the southern region tho.