coolsaber

Remember dont do the negative battery terminal thing on these vehicles for your wallets sake. You need to allow it time to "fully turn off" aka waiting after the vehicle is shut off. Then you can go ahead and do that. Theres a tech bulletin I think in the sticky. Follow that if you must.

However your under warranty as mentioned above, much safer.

andres0603

Thank you all for the help i will take it to the
dealership

dwh13

I know this is an old thread, but I ran across it several times while searching and never found an answer, thought I should give some closure that for 2014 models (and maybe later years), no dealer programming is necessary, just swap out the microSD cards. I just had mine done today, and all that was required was the card (part number PT219-GEN08-19) and clicking the Update Maps option under navigation settings (the part number ending will likely change to -20 once this year's nav update comes out). Cost was $210+tax.

MatB

Did you notice any worthwhile differences in the navigation system after you did the update?

dwh13

I'm not sure, I just picked the car up, but am taking it up into the mountains this weekend and will hopefully get more accurate routing.

supra725

Hey guys.

im having a issue with the live traffic update.

Is not showing the traffic lines (green , red or yellow ) but is showing the traffic.

how can I fix it?

Thanks

hzhao

What do you mean by “showing the traffic”? For your 2020 GX, the traffic data is provided by HD Radio broadcasting. Make sure your area is covered with HD stations, and go through your settings and make sure HD traffic info is selected.

bixbyfarm

All of the sudden the complete home display went dark. i did not change battery or anything. It comes on and off occasionally. Radio does not work when it is out. Heat works but can't control the fan?
Brought it to dealership they said you probably need a new computer $4000.00 Is there a way to reset the computer? any help appreciated. GX 460 2014.

hzhao

is it possible of loose connection at back? Is it happened during driving? Anything done for the head unit or in the area recently? The true reset would be disconnect the battery for 10+ minutes and start again.

bixbyfarm

Yes! It happens when driving. I will disconnect the battery and try that first. Nothing has been done to the head unit ever.

Thanks
I will let you know.

bixbyfarm

I did a true reset and it did not fix problem. Is there something I can do to Back? not sure what you mean by Back?

Thanks

hzhao

Back of the head unit, if all the harnesses are secure, nothing loose. But if there is nothing have been done in that general area, it maybe unlikely. Then you may have a issue with the unit itself. There is a place that they do make repaired to the Lexus head unit, @Acrad may have the contact info.

bixbyfarm

Thank You!

Acrad

I think some of the companies I have come across are mentioned in this thread

https://www.clublexus.com/forums/gx-...n-loading.html

bph320

I have a 2014 GX460. Bought it new in 2014. It has 37,000 miles on it. The infotainment system periodically resets itself and I lose all preset radio stations including SIRIUSXM. The dealership cannot replicate it and insinuates my cell phone must be to blame. Has anyone experienced this before