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8/5/19
How do I fix communication error 16? 0 Recommended Answers 91 Replies 239 Upvotes
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Last edited 12/6/19
  • Error message: communication error 16
  • Are you using Android Auto on your phone screen or car’s display? car's display, connected via approved usb/usb-c cable
  • Car / head unit make & model: 2018 Jeep Wrangler JL
  • Phone make & model: Google Pixel 3 XL
  • Android OS version: 9
  • Android Auto app version: 4.5.592854
  • Google Play services version: 15.8.23-all [0] [PR] 259261889

I have been using android auto with my Jeep and Pixel 3XL just fine since January of this year up until a few months ago. The app will suddenly crash and not display on the Jeep's screen and audio will cut off. The phone then gives me a communication error 16 message on its screen. When I unplug the phone and re-plug (per error instructions), it may work again for 5-20 minutes and then it inevitably crashes. 

I cannot seem to pinpoint what is causing this issue. It happens when I'm using Google Maps and when I'm not, when I'm using Spotify or not, Audible... all the same. I've tried testing it to see if I can trigger it but I can't.

This issue unfortunately negates the point of the app, safe driving. If I'm using Google Maps when it crashes, I have to do my best to unplug it and either view on my phone screen or attempt to plug it back in and hope that I can get it to work properly again until I reach my destination. I'm hoping there is a fix for this!
All Replies (91)
Hey Lyndsay,
 
Thanks for reaching out to us. Communication Error 16 may result in different types of situations that could be caused by the head unit, phone, software, hardware. Have you tried using a different USB-C cable to see if it resolves the issue? Could you also try resetting your car head unit to default factory settings and let us know if the issue persists. Thanks!
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8/31/19
Same here. Communication error 16 has been showing on muy Huawei P8 since beginning if July. What is the issue and Fix?????
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9/2/19
Make sure you only have one Google account setup on your phone device. Check to see if Android Auto is working on your phone without being connected to car radio device. If not, it could be you have multiple accounts for an app that are causing a conflict. Check accounts setup on you phone device.
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9/6/19
Hi all,

I have the exact same error on my OnePlus 6.
After googling on this error, it seems it's due to some conflict with dual/parallel apps (like Whatsapp). Many people with different phones (and different brands) have the exact same issues.

Is Google working on this bug? Where can we report it?
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9/6/19
I have this error 16 on my subaru crosstrek 2018 and I have a samsung note 9 with all the latest updates.
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9/10/19
 I think I have the same problem with my xiaomi mi 9 on  a new peugeot 3008.
I suspect the problem started when I activated the feature on my phone that let duplicate an app for use with 2 accounts. 
Unfortunately, deactivating the feature didn't fix the problem
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9/17/19
If only Android Auto would project using bluetooth I think that would solve the problem. the reliance on usb cables for connection to the car is flakey. I went for months with no projection at all every time I plugged into a usb in the car. I just changed my usb cable, and the projection/navigation worked for exactly 24 hours until error 16 came up and I could not project. I hope google is listening. Reliance on cables for navigation projection does not work. (I drive a gm bolt btw, if google needs that info).
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9/25/19

Tengo el mismo problema con mi xiaomi 9t, ya que lo he leído es que tengo aplicaciones duales, aunque las eliminé, aún aparece el error 16, espero que Google lo resuelva. El otro problema es que, según la compatibilidad, el aircros c5 2019 estará en el futuro, pero en otras páginas dice que es compatible, cómo y cuándo puedo saber que ya es 100% compatible con el nuevo aircross 2019
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10/3/19
I was connecting my redmi y 3 with swift dezire . Here it shows a message communication error. Please provide me a solution
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1 day
Try search on YouTube
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