Electronic Dashboard going haywire in 2006 Lexus GX 470
20

Asked by MNgx470 Apr 27, 2019 at 05:39 PM about the 2006 Lexus GX 470 4WD

Question type: Maintenance & Repair

I've recently had this problem where the electronics on my dashboard start
going haywire on my 2006 Lexus GX 470.  I recently replaced the battery,
and took this in to a mechanic who thought it was the speed sensor gone
bad. Unfortunately $390 later it didn't fix the issue.  He thought it might be
the alternator? Any thoughts before I have to spend another $300 to get new
alternator?

3 Answers
2,570

Sirkut_Interrupted answered 4 years ago

Lol yeah stop letting him guess or ur gonna be mad when ur out thousands of dollars and it aint fixed.. which gauges act crazy, just the speedometer?

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MNgx470 answered 4 years ago

It's actually all the guages. I'll try to upload a video from YouTube and hopefully you can make some very informed guesses. Hoping there's an inexpensive easy fix? Seems to be electrical since alternator and battery check fine and just had it checked again this morning. Battery was replaced about 2 months ago and alternator is charging it. Truck runs fine otherwise!https://youtu.be/f7YB2m2GPxg

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MNgx470 answered 4 years ago

It ended up being the alternator after all, but I found a great mechanic that only charged me $470 to replace, so at least I have a good person now to go to for my auto problems. I just wish I hadn't spent $400 to get speed sensor replaced that didn't need replacement!

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