2014 Navi reboots while driving, resumes way off course - Club Lexus Forums


2014 Navi reboots while driving, resumes way off course

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Old 04-16-14, 06:57 AM   #1
SecPole14
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Default 2014 Navi reboots while driving, resumes way off course

So I took my truck in for a couple issues, they said it took them 10 tries to reload the firmware but it was finally successful.

Apparently Not!

The navi is now worse than before. Before it would just randomly black screen ---> come back to frozen map ---> audio resumes ---> legal notice displays ---->back to real-time GPS on correct course.

Now it does all that, but resumes on the wrong course! I mean it shows me somewhere 1 or 2 miles off in some random direction.

Maybe they ran out of real Lexus units when they were building mine and installed some cheap no-name knock-off they ordered from K-Mart?

I wonder what the next steps are? I'd hate for them to have to tear into the dash and replace the whole thing. But this is unacceptable. Not super-impressed with Lexus' legendary quality so far.
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Old 04-16-14, 07:43 AM   #2
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Try pulling the battery cable. I've seen several IS's that had similar problems after reloading the firmware, and just pulling the neg battery cable and letting is discharge for 10 minutes or so seemed to clear it up.
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Old 04-16-14, 07:45 AM   #3
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Are you a Lexus tech?

I'm having the dealer handle this. I want a record of everything so I can lemon law if need be.
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Old 04-16-14, 08:19 AM   #4
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I'm not a tech anymore, just the Technology Specialist. I have worked with our techs on trying to solve some issues like this within the past month though. I guess I'd tell the dealer you want them to disconnect the battery to clear everything out. The tech's at my dealership gave me the "whats that gonna do" look when I suggested it, and it ended up working....
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Old 04-16-14, 01:47 PM   #5
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Quote:
Originally Posted by SecPole14 View Post
Are you a Lexus tech?

I'm having the dealer handle this. I want a record of everything so I can lemon law if need be.
WOW, He's trying to help you.
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Old 04-16-14, 02:59 PM   #6
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WOW, He's trying to help you.
And he wonder's why he lives alone!

Randy B
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Old 04-16-14, 04:44 PM   #7
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Do you by chance plug your phone in to the USB port?

The new IS has the same nav as the new GX, and many of us IS owners have found that the system is way more likely to crash when a phone is plugged into the USB port.
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Old 04-16-14, 05:39 PM   #8
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And he wonder's why he lives alone!

Randy B
I was thinking the same thing.

Disconnecting the battery is the same as rebooting your PC, clears errors and fixes issues and personally I think it's a great idea and it can't hurt.
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Old 04-16-14, 05:42 PM   #9
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Don't wonder what the next steps are, just go ask the dealer. I am guessing the most of us aren't Lexus techs here so probably can't help you much.
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Old 04-16-14, 07:00 PM   #10
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Don't wonder what the next steps are, just go ask the dealer. I am guessing the most of us aren't Lexus techs here so probably can't help you much.
Great answer
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Old 04-16-14, 09:00 PM   #11
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Quote:
Originally Posted by Eppieguy View Post
I was thinking the same thing.

Disconnecting the battery is the same as rebooting your PC, clears errors and fixes issues and personally I think it's a great idea and it can't hurt.
it does not necessarily clear all the codes. I tried pulling that trick on my corolla and it didnt work. It stores the codes until they are cleared out by the technician.
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Old 04-17-14, 07:07 AM   #12
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it does not necessarily clear all the codes. I tried pulling that trick on my corolla and it didnt work. It stores the codes until they are cleared out by the technician.
We weren't talking about clearing codes. And it does clear some codes but not all codes,. some need to be reset by a tech or at Autozone or with an inexpensive code reader from Amazon.
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Old 04-17-14, 07:20 AM   #13
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Thanks to Randy, sanf, and Eppieguy. Nothing like a bunch of CL amateur newbies hurling cheap insults.

I made a detailed post in hopes that someone would recognize the situation and perhaps chime in with their own (similar) experience. Feel free to leave my thread whenever you like.
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Old 04-17-14, 07:27 AM   #14
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Amateur Newbies........ Your thread.......... I guess if you own the forum you should do something about the newbies.

Enough said.
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Old 04-17-14, 09:44 AM   #15
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Just last week I noticed the navi rebooting when driving down the road. Only time I have seen it happen in the last three months. I'm hoping this is not a systemic issue but will watch the boards to see how often this shows up.

My 5k checkup will be later this month i will have the dealership. Do a quick check and report back with any findings.

Last edited by Ceenit; 04-17-14 at 09:45 AM. Reason: Typos
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