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No screen and multiple alarms

jucumari

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My screen has gone blank, multiple lights and alarms sounding.
2024 trialmaster with aux battery system; 4670 miles; 4 hours from dealer; no software update; no problems with grenadier until this.

Four days ago we had a light rain. That afternoon I got into the car and noticed some wetness in the overhead liner (Picture 1 - damp overhead liner).

IMG_0289.jpg


I also saw some drips from the overhead (Picture 2- water droplets).

IMG_E5B4427165FA-1.jpeg


I dried the area and inspected the roof and saw no issues. Yesterday, I drove the Grenadier and a few minutes into the drive, I noticed that the right side of the infotainment screen changed color, then the same side of the screen began to flash between black and this purple color (Picture 3-purple info screen).
IMG_0295.jpg


I decided to head back given the issue and within about 5 minutes, the entire screen went fully blank and stayed that way, and multiple telltale lights came on, beeps started, and the turn signals were only functioning intermittently (Photo 4 - telltale while driving)
IMG_2945B57CE24D-1.jpeg


I looked on the forum and, in the manual for any ideas. I tried the mute button reset (30-sec hold) and it did nothing. I tried disconnecting the battery per the manual's instructions (disconnect ground from battery connector, negative from auxiliary battery, then negative from primary battery). I waited 10 minutes, then reconnected all in reverse order. Waited another 10 minutes. Turned key to activate the battery and multiple alarms still showing and lights flashing including locker lights, lights behind vent and hvac controls knob, and interior lighting. Started vehicle, and had continued multiple telltale alerts, constant seatbelt chiming, lights flashing. I shut down grenadier and waited overnight. Today, a half start showed multiple [but different] telltale lights and no screen - entirely black, no gauges, speed, etc. - (Photo 5 - half start telltale).

View attachment IMG_0306.jpg

I started the grenadier and got similar lights and more on the telltale. The seatbelt alarm was also constantly alarming. The lights that were flashing yesterday we no longer flashing (Photo 6 - full start).

IMG_A50812503BCF-1.jpeg


I shut off the grenadier and took the key out, and locked the door, the seatbelt chime was still alarming inside. I reinserted the key, turned halfway, and then turned back off and seatbelt chime stopped.

Any ideas, guidance or help? Should I drive it to the dealer 4 hours away? Should I have it towed all the way there (~200 miles)? Is there something I can fix?
 
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anand

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I would drive it, as there doesn't seem to be any mechanical faults, and presumable the left side of the screen (gauges) is working appropriately...

Safe to say that an electronic component has failed, whether it is due to water ingress or not seems to be less important than getting it somewhere where it can be fixed
 

jucumari

Grenadier Owner
Local time
1:24 PM
Joined
May 16, 2024
Messages
8
Reaction score
7
Location
Sunriver, Oregon, USA
I would drive it, as there doesn't seem to be any mechanical faults, and presumable the left side of the screen (gauges) is working appropriately...

Safe to say that an electronic component has failed, whether it is due to water ingress or not seems to be less important than getting it somewhere where it can be fixed
Just to clarify - the entire screen is now blank - the gauges are not visible.
 
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