2018 Hybrid Limited Platinum Massive Echo on Handsfree - Toyota Nation Forum : Toyota Car and Truck Forums
Highlander 3rd Gen - Hybrid (XU50/2014-present) Toyota Highlander Hybrid discussion for years 2014+.

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post #1 of 5 Old 05-06-2019, 12:31 PM Thread Starter
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2018 Hybrid Limited Platinum Massive Echo on Handsfree

Anyone else having echo issues with their hands free phone calls on their 2018 Highlander Hybrid? I'm an RF Engineer working in telecom, so I know its not a wireless network issue or a specific phone issue as I've tried multiple phones from different wireless carrier networks. Getting ready to take it to the dealer but thought I'd see if anyone else had experienced this?
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post #2 of 5 Old 05-07-2019, 05:55 PM
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Originally Posted by TableRocked View Post
Anyone else having echo issues with their hands free phone calls on their 2018 Highlander Hybrid? I'm an RF Engineer working in telecom, so I know its not a wireless network issue or a specific phone issue as I've tried multiple phones from different wireless carrier networks. Getting ready to take it to the dealer but thought I'd see if anyone else had experienced this?
Did you check this website to see if there's an update?

https://securedp.toyota.com/download-app/getHeadUnits
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2017 Highlander Hybrid XLE Alumina Jade Metallic

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post #3 of 5 Old 05-10-2019, 10:04 PM Thread Starter
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yes, thank you for sending me that shortcut, I didn't know that existed. The service manager did provide me a TSA bulletin that recommends making sure your phone's volume is turned up to maximum whenever you are in a bluetooth call, adjusting the volume down from your radio as required. I tried this, and, sure enough, it removed the echo completely.
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post #4 of 5 Old 05-11-2019, 11:38 PM
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Originally Posted by TableRocked View Post
yes, thank you for sending me that shortcut, I didn't know that existed. The service manager did provide me a TSA bulletin that recommends making sure your phone's volume is turned up to maximum whenever you are in a bluetooth call, adjusting the volume down from your radio as required. I tried this, and, sure enough, it removed the echo completely.
This solved this issue for me as well.
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2017 Highlander Hybrid Limited

Last edited by Lex22; 05-11-2019 at 11:49 PM.
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post #5 of 5 Old 07-07-2019, 01:06 PM
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Echo eliminated

I had the same problem with my 2016 Highlander. I went to the dealer and they printed out Tech Tip T-TT-0484-18, Bluetooth Hands Free Call Echo. The hands free volume on the phone was too low. I turned up the Bluetooth volume all the way and the echo ended. See attached.
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File Type: pdf img20190707_14033912.pdf (24.3 KB, 4 views)
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