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Old 11-22-2020, 02:02 AM #1
Ry'sRunner Ry'sRunner is offline
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Help! 2020 Smart key system malfunction

Can't start my 2020 PRO, starter turns over fine, plenty of power, but it won't start. Can't get into the 'on' mode, only acc. Console warning says 'Smart Key System Malfunction' see owners manual.

Keyless entry works as normal.

Anyone have this happen? Any thoughts?

And it happened on a friend's ranch an hour from town.
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Old 11-22-2020, 02:15 AM #2
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Not being a smartazzz, what does the manual state?
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Old 11-22-2020, 02:25 AM #3
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Call dealership, let them deal with it. It's a brand new car, if it needs to be in the shop they can tow it there on their dime.

It's under warranty, take advantage of it.
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Old 11-22-2020, 03:19 AM #4
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What the manual says:

●If the following message is shown, there may be a malfunction.
Immediately have the vehicle inspected by your Toyota dealer.
• “Smart Key System Malfunction See Owner’s Manual”

Fortunately I'm only an hour away, Monday i was going to be hunting in a little more remote. Not too happy with this development....
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Old 11-22-2020, 07:06 AM #5
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did you try holding the remote close to the push button?? if that works you need new remote batteries
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Old 11-22-2020, 11:18 AM #6
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Smart key battery

Witnessed a demo where the battery was removed from the remote. Obviously the door functions did not work but, holding the remote next to the start button did allow the car to start. Not sure if that message showed. Try it, it may work until you get to the dealer. FYI batteries are easy to change, info in manual, and much cheaper on Amazon then the dealer.
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Old 11-22-2020, 12:09 PM #7
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Have tried both remotes with the same results. Starter engages, but the engine won't turn over. It appears the remote is 'talking' to the truck, but some security in the system is not disengaged.
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Old 11-22-2020, 09:06 PM #8
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Are there any electronic devices nearby, I ask because some RF signals can interfere with remotes
My BMW 1200rt with smart key gets confused at mobil stations that have the fast pass key
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Old 11-22-2020, 09:15 PM #9
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Quote:
Originally Posted by t6pilot View Post
Are there any electronic devices nearby, I ask because some RF signals can interfere with remotes
My BMW 1200rt with smart key gets confused at mobil stations that have the fast pass key
I remember when a key fob for my apartment disabled my Xterra. Not a smart key, but it baffled everyone until they brought an engineer in from Japan.
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